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Cisco
Exam 200-125
CCNA Cisco Certified Network Associate CCNA (v3.0)
Version: 6.0

[ Total Questions: 401 ]

Cisco 200-125 : Practice Test
Topic break down

Topic

No. of Questions

Topic 1: Network Fundamentals

27

Topic 2: LAN Switching Technologies

60

Topic 3: Routing Technologies

75

Topic 4: WAN Technologies

27

Topic 5: Infrastructure Services

71

Topic 6: Infrastructure Security

18

Topic 7: Infrastructure Management

37

Topic 8: Mixed Questions

86

A Composite Solution With Just One Click - Certification Guaranteed

2

Cisco 200-125 : Practice Test
Topic 1, Network Fundamentals

Question No : 1 DRAG DROP - (Topic 1)
Refer to the exhibit. Complete this network diagram by dragging the correct device name or
description to the correct location. Not all the names or descriptions will be used.

Answer:

Question No : 2 - (Topic 1)
Refer to the exhibit.

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Cisco 200-125 : Practice Test

Which three statements correctly describe Network Device A? (Choose three.)
A. With a network wide mask of 255.255.255.128, each interface does not require an IP
address.
B. With a network wide mask of 255.255.255.128, each interface does require an IP
address on a unique IP subnet.
C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to
communicate with each other.
D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to
communicate with each other.
E. With a network wide mask of 255.255.254.0, each interface does not require an IP
address.
Answer: B,D,E
Explanation:
If Subnet Mask is 255.255.255.128 the hosts vary from x.x.x.0 - x.x.x.127 & x.x.x.128x.x.x.255, so the IP Addresses of 2 hosts fall in different subnets so each interface needs
an IP an address so that they can communicate each other.
If Subnet Mask is 255.255.255.0 the 2 specified hosts fall in different subnets so they need
a Layer 3 device to communicate.
If Subnet Mask is 255.255.254.0 the 2 specified hosts are in same subnet so are in network
address and can be accommodated in same Layer 2 domain and can communicate with
each other directly using the Layer 2 address.

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Cisco 200-125 : Practice Test
Question No : 3 - (Topic 1)
Which layer in the OSI reference model is responsible for determining the availability of the
receiving program and checking to see if enough resources exist for that communication?
A. transport
B. network
C. presentation
D. session
E. application
Answer: E
Explanation:
This question is to examine the OSI reference model.
The Application layer is responsible for identifying and establishing the availability of the
intended communication partner and determining whether sufficient resources for the
intended communication exist.

Question No : 4 DRAG DROP - (Topic 1)
Match the terms on the left with the appropriate OSI layer on the right. (Not all options are
used.)

Answer:

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Cisco 200-125 : Practice Test

Question No : 5 - (Topic 1)
A network administrator is verifying the configuration of a newly installed host by
establishing an FTP connection to a remote server. What is the highest layer of the
protocol stack that the network administrator is using for this operation?
A. application
B. presentation
C. session
D. transport
E. internet
F. data link
Answer: A
Explanation:
FTP belongs to Application layer and it is also the highest layer of the OSI model.

Question No : 6 - (Topic 1)
Which of the following statements describe the network shown in the graphic? (Choose
two.)

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Cisco 200-125 : Practice Test

A. There are two broadcast domains in the network.
B. There are four broadcast domains in the network.
C. There are six broadcast domains in the network.
D. There are four collision domains in the network.
E. There are five collision domains in the network.
F. There are seven collision domains in the network.
Answer: A,F
Explanation:
Only router can break up broadcast domains so in the exhibit there are 2 broadcast
domains: from e0 interface to the left is a broadcast domain and from e1 interface to the
right is another broadcast domain ->.
Both router and switch can break up collision domains so there is only 1 collision domain
on the left of the router (because hub doesn’t break up collision domain) and there are 6
collision domains on the right of the router (1 collision domain from e1 interface to the
switch + 5 collision domains for 5 PCs in Production) ->.

Question No : 7 - (Topic 1)
Refer to the exhibit.

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7

Notice that Host A initializes ICMP packet with a TTL of 255: A Composite Solution With Just One Click . 252 B. What is the TTL value for that ping? A. pings to S0/1 and S0/0 of Router 2 have the same TTL. it throws away the packet. the TTL is still remain the same. The picture below shows TTL values for each interface of each router and for Host B.Cisco 200-125 : Practice Test Host A pings interface S0/0 on router 3. This prevents packets from rotating forever. 253 C. 255 Answer: B Explanation: From the CCNA ICND2 Exam book: “Routers decrement the TTL by 1 every time they forward a packet. 254 D. For example in the topology above.Certification Guaranteed 8 . if a router decrements the TTL to 0.” I want to make it clear that before the router forwards a packet.

(Topic 1) Refer to exhibit: A Composite Solution With Just One Click .Certification Guaranteed 9 .Cisco 200-125 : Practice Test Question No : 8 .

the source and destination IP addresses are not changed. The network’s DCE device (includes CSU/DSU) provides clocking to the DTEconnected interface (the router’s serial interface). the IP address of the router's E0 interface F.) A. A CSU/DSU terminates a digital local loop. B. the MAC address of the router's E0 interface Answer: C. D. C. Question No : 9 .E Explanation: The idea behind a WAN is to be able to connect two DTE networks together through a DCE network.F Explanation: While transferring data through many different networks. Only the source and destination MAC addresses are changed. A router is commonly considered a DTE device.) A. A CSU/DSU terminates an analog local loop. the IP address of Host C D. the MAC address of Switch 1 C. E. the MAC address of Host C E. the IP address of Switch 1 B. Answer: A. F. So in this case Host A will use the IP address of Host C and the MAC address of E0 interface to send data.Cisco 200-125 : Practice Test Which two destination addresses will be used by Host A to send data to Host C? (Choose two.(Topic 1) Which of the following describes the roles of devices in a WAN? (Choose three. A modem terminates an analog local loop. A modem terminates a digital local loop. A router is commonly considered a DCE device. When the router receives this data.Certification Guaranteed 10 .D. it replaces the source MAC address with its own E1 interface’s MAC address and replaces the destination MAC address with Host C’s MAC address before sending to Host C. A Composite Solution With Just One Click .

Question No : 10 .Certification Guaranteed 11 .(Topic 1) Refer to the exhibit. Therefore a modem terminates an analog local loop is correct.Cisco 200-125 : Practice Test A modem modulates outgoing digital signals from a computer or other digital device to analog signals for a conventional copper twisted pair telephone line and demodulates the incoming analog signal and converts it to a digital signal for the digital device. A CSU/DSU is used between two digital lines For more explanation of answer D. in telephony the local loop (also referred to as a subscriber line) is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the carrier or telecommunications service provider’s network. A Composite Solution With Just One Click .

you generally have one collision domain to a PC.) A. The number of collision domains would increase. These days. The number of broadcast domains would decrease. The number of collision domains would decrease. however. E. The simple way to look at it is this way: A Composite Solution With Just One Click . since we mostly use switches to connect computers to the network. Broadcast domains are exactly what they imply: they are network segments that allow broadcasts to be sent across them. broadcasts can traverse collision domains freely. The number of broadcast domains would increase. F. and the old CSMA/CD would be working overtime to try to get those packets re-sent every time there was a collision on the wire (since Ethernet allows only one host to be transmitting at once without there being a traffic jam). Routers. Since switches and bridges allow for broadcast traffic to go unswitched. C. you break up collision domains by switching packets bound for other collision domains.Cisco 200-125 : Practice Test What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN? (Choose two. With switches.Certification Guaranteed 12 . The number of broadcast domains would remain the same. a collision domain is a network segment that allows normal network traffic to flow back and forth. don't allow broadcasts through by default. The number of collision domains would remain the same.D Explanation: Basically. it doesn't get forwarded. D. B. this meant you had a lot of collisions. so when a broadcast hits a router (or the perimeter of a VLAN). In the old days of hubs. Answer: C.

Also. hub. Only one device in the collision domain may transmit at any one time. if a router stands between all these devices. So. For example.(Topic 1) Drag the cable type on the left to the purpose for which it is best suited on the right. An example for Broadcasting would be DHCP Request from a Client PC.Certification Guaranteed 13 . hub) will reside in ONE single collision domain. But only the DHCP Server will answer to the Request. if 5 PCs are connected with separate cables to a switch. switch or bridge. Question No : 11 DRAG DROP . The Client is asking for a IP Address. but a collision domain can never have more than one broadcast domain associated with it. but the client does not know how to reach the DHCP Server. Broadcast Domain: Broadcasting sends a message to everyone on the local network (subnet). we have TWO broadcast domains. all these devices are in ONE Broadcast domain (assuming a single VLAN). If this switch is connected to another switch or a router. we have one collision domain more.or call them VLANs). Collision Domain: A group of Ethernet or Fast Ethernet devices in a CSMA/CD LAN that are connected by repeaters and compete for access on the network. Each device that is connected to a Layer 1 device (repeater. A Router is used to separate Broadcast-Domains (we could also call them Subnets . this is ONE Collision Domain. Collision Domain: Each connection from a single PC to a Layer 2 switch is ONE Collision domain. while routers (and VLANs) break up collision domains and broadcast domains. and the other devices in the domain listen to the network in order to avoid data collisions. (Not all options are used. A collision domain is sometimes referred to as an Ethernet segment. How to count them? Broadcast Domain: No matter how many hosts or devices are connected together. a broadcast domain can contain multiple collision domains. if they are connected with a repeater. we have 5 Collision domains. So the client sends a DHCP Discover packet to EVERY PC in the local subnet (Broadcast).) A Composite Solution With Just One Click . If 5 Devices are connected to a Hub.Cisco 200-125 : Practice Test switches break up collision domains.

Server Group 2: Hub.Cisco 200-125 : Practice Test Answer: Explanation: To remember which type of cable you should use. Host. Switch One device in group 1 + One device in group 2: use straight-through cable Two devices in the same group: use crossover cable For example: we use straight-through cable to connect switch to router.To connect two serial interfaces of 2 routers we use serial cable – To specify when we use crossover cable or straight-through cable. switch to hub. host to host…) A Composite Solution With Just One Click . follow these tips: . hub to host. hub to server… and we use crossover cable to connect switch to switch. router to router.Certification Guaranteed 14 . we should remember: Group 1: Router. switch to host.

the network layer determines the best path to a particular destination network. C. and routes the data appropriately. this layer controls the logical addressing of devices. the sender waits for this acknowledgment before sending the next part. First. For example.D Explanation: The transport layer segments data into smaller pieces for transport.Cisco 200-125 : Practice Test Question No : 12 . The presentation layer translates bits into voltages for transmission across the physical link. Each segment is assigned a sequence number. The data link layer adds physical source and destination addresses and an FCS to the segment. Second. B. The Network layer (Layer 3) has two key responsibilities.Certification Guaranteed 15 . Question No : 13 . in TCP. internet A Composite Solution With Just One Click . Answer: A. The transport layer also use flow control to maximize the transfer rate while minimizing the requirements to retransmit.(Topic 1) Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two. D. E. so that the receiving device can reassemble the data on arrival. basic flow control is implemented by acknowledgment by the receiver of the receipt of data.(Topic 1) Where does routing occur within the DoD TCP/IP reference model? A. Packets are created when the network layer adds Layer 3 addresses and control information to a segment. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information. The transport layer divides a data stream into segments and may add reliability and flow control information.) A. application B.

what is known about the network interface port? A.Certification Guaranteed 16 . network D. C. transport Answer: B Explanation: The picture below shows the comparison between TCP/IP model & OSI model. B.Cisco 200-125 : Practice Test C. Notice that the Internet Layer of TCP/IP is equivalent to the Network Layer which is responsible for routing decision. From this statement. Question No : 14 . This is a 100 Mb/s switch port. This is an Ethernet port operating at half duplex. A Composite Solution With Just One Click .(Topic 1) A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. This is a 10 Mb/s switch port.

it uses ARP to resolve the address. F. This is an Ethernet port operating at full duplex.Cisco 200-125 : Practice Test D. each switched segment will contain one root bridge with all its ports in the forwarding state. Question No : 15 . Note: Microsegmentation decreases the number of collisions but it increases the number of collision domains. If a switch receives a frame for an unknown destination. Answer: C Explanation: Modern Ethernet networks built with switches and full-duplex connections no longer utilize CSMA/CD. Each network device gets the full bandwidth of the segment and does not have to share the segment with other devices. Switches that are configured with VLANs make forwarding decisions based on both Layer 2 and Layer 3 address information. All other switches in that broadcast domain will have only one root port.(Topic 1) Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.) A. B. In a properly functioning network with redundant switched paths. E.E Explanation: Microsegmentation is a network design (functionality) where each workstation or device on a network gets its own dedicated segment (collision domain) to the switch. Establishing VLANs increases the number of broadcast domains. C. Microsegmentation decreases the number of collisions on the network. Spanning Tree Protocol allows switches to automatically share VLAN information. CSMA/CD is only used in obsolete shared media Ethernet (which uses repeater or hub).D. Microsegmentation reduces and can even eliminate collisions because each segment is its own collision domain ->. A Composite Solution With Just One Click . This is a port on a network interface card in a PC. E. Answer: B.Certification Guaranteed 17 . D.

These network-layer headers contain source and destination network addresses.Cisco 200-125 : Practice Test Question No : 16 . routers can look further into the packet to discover the network for which a packet is destined. the router must perform the following steps: 1. After receiving the packets. the MAC address of router interface e1 C. Local devices address packets to the router's MAC address in the MAC header. and remove the MAC header. the MAC address of router interface e0 B. the MAC address of the server network interface D. Routers make forwarding decisions based on the packet's networklayer header (such as an IPX header or IP header). A Composite Solution With Just One Click .Certification Guaranteed 18 . The router checks the packet for MAC-layer errors. Host A is communicating with the server. the MAC address of host A Answer: A Explanation: Whereas switches can only examine and forward packets based on the contents of the MAC header. Check the incoming packet for corruption.(Topic 1) Refer to the graphic. The router then strips off the MAC header and examines the network-layer header to determine what to do with the packet. What will be the source MAC address of the frames received by Host A from the server? A.

IP headers contain a Time to Live (TTL) value. the router must build a new header. PC_1 is sending packets to the FTP server. After determining which direction to forward the packet. Consider the packets as they leave RouterA interface Fa0/0 towards RouterB.Certification Guaranteed 19 . Routers maintain a routing table that lists available networks. Build the new MAC header and forward the packet. 15 hops is the maximum number of hops (or routers) that a packet can cross. If a packet has a hop count of 15.Cisco 200-125 : Practice Test 2. The router must ensure that the packet has not come too far to be forwarded. type ROUTE PRINT in the DOS box. By default. the router discards the packet. Examine the age of the packet. 3. IPX headers contain a hop count.(Topic 1) Refer to the exhibit. the direction to the desired network (the outgoing interface number). Question No : 17 DRAG DROP .) 4. Unlike the IPX hop count. which increments as the packet is forwarded through each router. Finally. If an IP packet has a TTL value of 1. For example. The MAC header includes the router's MAC address and the final destination's MAC address or the MAC address of the next router in the path. the router builds a new MAC header for the packet. the IP TTL value decrements as the IP packet is forwarded through each router. A router cannot decrement the TTL value to 1 and then forward the packet. Determine the route to the destination. the router discards the packet. and the distance to those networks. (If you want to read the IP routing tables on a Windows 95/98 workstation. A Composite Solution With Just One Click . Drag the correct frame and packet address to their place in the table.

while a modem is used to convert digital signals over a regular POTS line. A CSU/DSU converts analog signals from a router to a leased line.(Topic 1) A Composite Solution With Just One Click . C. A CSU/DSU converts digital signals from a router to a phone line. a modem converts digital signals from a router to a phone line.Cisco 200-125 : Practice Test Answer: Question No : 18 . Question No : 19 .(Topic 1) What is the difference between a CSU/DSU and a modem? A. a modem converts analog signals from a router to a leased line. Answer: D Explanation: CSU/DSU is used to convert digital signals from a router to a network circuit such as a T1. B. a modem converts analog signals from a router to a phone line.Certification Guaranteed 20 . a modem converts digital signals from a router to a leased line. A CSU/DSU converts analog signals from a router to a phone line. A CSU/DSU converts digital signals from a router to a leased line. D.

Switch B. Switch D. to allow communication with devices on a different network C. In this case. Switch C. because it is the most centrally located switch C. to allow detection of a remote device when its physical address is unknown A Composite Solution With Just One Click . because it has the lowest priority F.Certification Guaranteed 21 . first check the priority value. switch C has the lowest MAC Address so it becomes the root bridge. because it has the highest priority Answer: E Explanation: To elect the root bridge in the LAN. which switch will be elected root bridge and why? A.(Topic 1) For what two purposes does the Ethernet protocol use physical addresses? (Choose two. because it is the most centrally located switch E. If Priority Value is the same then it checks the MAC Address. to differentiate a Layer 2 frame from a Layer 3 packet D. the switch having the lowest MAC Address will become the root bridge.) A. Question No : 20 . Switch A. to uniquely identify devices at Layer 2 B. to allow communication between different devices on the same network F. because it has the lowest MAC address B. Based on the information given. because it has the highest MAC address D. to establish a priority system to determine which device gets to transmit first E. Switch C.Cisco 200-125 : Practice Test Refer to the exhibit. The switch having the lowest priority will win the election process. Switch A.

E Explanation: Physical addresses or MAC addresses are used to identify devices at layer 2. Drag the correct frame and packet addresses to their place in the table.Certification Guaranteed 22 . If not. Question No : 21 DRAG DROP . PC_1 is exchanging packets with the FTP server. they cannot communicate ->. each frame has the same priority to transmit by default ->. Consider the packets as they leave RouterB interface Fa0/1 towards RouterA.(Topic 1) Refer to the exhibit. Layer 3 packet also contains physical address ->.Cisco 200-125 : Practice Test Answer: A. Answer: A Composite Solution With Just One Click . Layer 2 frame and Layer 3 packet can be recognized via headers. All devices need a physical address to identify itself. On Ethernet. To communicate on different network we have to use Layer 3 addresses (IP addresses) -> B is not correct. MAC addresses are only used to communicate on the same network.

16. data link E.0c89.3333MAC 0000. Protocols Data Unit (PDU) on Datalink layer is called frame. physical Answer: D Explanation: The Data Link layer provides the physical transmission of the data and handles error notification. According to this question the frame is damaged and discarded which will happen at the Data Link layer.Certification Guaranteed 23 . network D.16.250IP 172. each called a data frame. A Composite Solution With Just One Click . network topology.9999 IP 172. At which OSI layer did this happen? A. session B.7 Question No : 22 .34. and adds a customized header containing the hardware destination and source address. The frame is then discarded. The Data Link layer formats the message into pieces.Cisco 200-125 : Practice Test Explanation: Source Mac AddressDestination Mac AddressSource IP addressDestination MAC address MAC 0000.0c89.21. transport C. and flow control.(Topic 1) A receiving host computes the checksum on a frame and determines that the frame is damaged.

Cisco 200-125 : Practice Test Question No : 23 . C. Add two more Fast Ethernet interfaces. Question No : 24 . D.(Topic 1) Host 1 is trying to communicate with Host 2. Add a second router to handle the VLAN traffic.Certification Guaranteed 24 . How can you accomplish this task. Answer: D Explanation: A router on a stick allows you to use sub-interfaces to create multiple logical networks on a single physical interface. B.(Topic 1) A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. using the fewest physical interfaces and without decreasing network performance? A. Use a hub to connect the four VLANS with a Fast Ethernet interface on the router. Implement a router-on-a-stick configuration. The e0 interface on Router C is down. A Composite Solution With Just One Click .

When there is no traffic detected.Cisco 200-125 : Practice Test Which of the following are true? (Choose two. Question No : 25 . when there is a carrier C. the signals collide and cannot reach the destination. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached. The e0 interface on Router C is down.) A. when the medium is idle E. when they receive a special token B. Answer: A. C. it will wait for a specified amount of time before attempting to transmit. While this transmission is occurring. F. Router C will send ICMP packets to inform Host 1 that Host 2 cannot be reached.D Explanation: Ethernet network is a shared environment so all devices have the right to access to the medium. the device continues to listen for traffic or collisions on the LAN. Router C will send a Source Quench message type. Router A. E. Router C will send a Destination Unreachable message type. D. A Composite Solution With Just One Click . If a device detects another device is sending.(Topic 1) In an Ethernet network. If more than one device transmits simultaneously. Router C will use ICMP to inform Router B that Host 2 cannot be reached. Router C will use ICMP to inform Host 1. a device will transmit its message.Certification Guaranteed 25 . when the server grants access Answer: C. when they detect no other devices are sending D. After the message is sent. B.D Explanation: Host 1 is trying to communicate with Host 2. the device returns to its default listening mode.) A. under what two scenarios can devices transmit? (Choose two. and Router B that Host 2 cannot be reached. Router C will send a Router Selection message type.

After HostA pings HostB.(Topic 1) Refer to the exhibit.Cisco 200-125 : Practice Test Question No : 26 .Certification Guaranteed 26 . which entry will be in the ARP cache of HostA to support this transmission? A Composite Solution With Just One Click .

1.Cisco 200-125 : Practice Test A. Exhibit E F. This information (IP and MAC address of the default gateway) is saved in its ARP cache for later use. Exhibit A B.168.(Topic 1) A Composite Solution With Just One Click . Host A sends a broadcast frame asking the MAC address of 192.168.1.6.Certification Guaranteed 27 . Exhibit D E. Exhibit C D. Exhibit F Answer: A Explanation: Host A knows host B is in another network so it will send the pings to its default gateway 192. Exhibit B C. Question No : 27 .6.

F.C. Router1 will strip off the source IP address and replace it with the IP address 192.1. E.Certification Guaranteed 28 .) A. Router1 will forward the data packet out interface FastEthernet0/2.6965. B. Router1 will forward the data packet out interface FastEthernet0/1. Topic 2. LAN Switching Technologies Question No : 28 . Router1 will strip off the destination MAC address and replace it with the MAC address 0000. Router1 will strip off the source MAC address and replace it with the MAC address 0000. C.40. D.Cisco 200-125 : Practice Test Refer to the exhibit: What will Router1 do when it receives the data frame shown? (Choose three.168.4320.1. Answer: A.168.0c07.40.0c36. Router1 will strip off the destination IP address and replace it with the IP address of 192.F Explanation: Remember. the source and destination MAC changes as each router hop along with the TTL being decremented but the source and destination IP address remain the same from source to destination.(Topic 2) A Composite Solution With Just One Click .

redundant C. root bridge is elected and all port roles (Root. What happens if you set the switchport access vlan 3 command in interface configuration mode? A.dat. provisioned D. The command is rejected. B. Designated and Non-Designated) in all switches are selected. D.Certification Guaranteed 29 . The command is accepted and you must configure the VLAN manually. converged B. The command is accepted and the respective VLAN is added to vlan.(Topic 2) A Composite Solution With Just One Click .(Topic 2) Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state? A. Question No : 29 . The port turns amber. Question No : 30 . When layer 2 is converged. Answer: C Explanation: The “switchport access vlan 3” will put that interface as belonging to VLAN 3 while also updated the VLAN database automatically to include VLAN 3. C. spanned Answer: A Explanation: Spanning Tree Protocol convergence (Layer 2 convergence) happens when bridges and switches have transitioned to either the forwarding or blocking state.Cisco 200-125 : Practice Test VLAN 3 is not yet configured on your switch.

All switch ports are assigned to the correct VLANs. C. what is the most likely problem? A. Based on the output shown. The link between the switches is configured in the wrong VLAN.Cisco 200-125 : Practice Test Refer to the exhibit.Certification Guaranteed 30 . D. A Composite Solution With Just One Click . Answer: C Explanation: In order to pass traffic from VLANs on different switches. B. The link between the switches needs to be configured as a trunk. The access link needs to be configured in multiple VLANs. the connections between the switches must be configured as trunk ports. Switch IP addresses must be configured in order for traffic to be forwarded between the switches. but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. VTP is not configured to carry VLAN information between the switches. E.

D. The MAC address of the root bridge is 0017. Answer: D Explanation: Only non-root bridge can have root port.2a00 ->.1580. B.596d. not of the root bridge. A Composite Solution With Just One Click . VLAN 20 is running the Per VLAN Spanning Tree Protocol.596d. not PVST ->. C. All of the interface roles of the root bridge are designated. Fa0/11 is the root port so we can confirm this switch is not the root bridge ->.Cisco 200-125 : Practice Test Question No : 31 .(Topic 2) Refer to the exhibit. SwitchA is not the root bridge. SwitchA has one Root port and 1 Alternative port so it is not the root bridge. The MAC address of the root bridge is 0017.Certification Guaranteed 31 . The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20. because not all of the interface roles are designated. From the output we learn this switch is running Rapid STP.1580 is the MAC address of this switch. Which statement is true? A. 0017.596d.

A Composite Solution With Just One Click . The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type. for any trunk to be formed.) A. B. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? (Choose two.Certification Guaranteed 32 .1q or ISL. Router1 will not play a role in communications between host A and host D. both ends of the trunk must agree on the encapsulation type. Answer: D. Router1 needs more LAN interfaces to accommodate the VLANs that are shown in the exhibit. Also.(Topic 2) Refer to the exhibit. This is known as the router on a stick configuration. Host E and host F use the same IP gateway address. C. F. one for each VLAN. subinterfaces must be used. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces. E. D. Router1 and Switch2 should be connected via a crossover cable.Cisco 200-125 : Practice Test Question No : 32 .F Explanation: In order for multiple VLANs to connect to a single physical interface on a Cisco router. so each one must be configured for 802.

What set of commands was configured on interface Fa0/3 to produce the given output? A. interface FastEthernet 0/3 channel-group 2 mode active switchport trunk encapsulation dot1q switchport mode trunk D.Cisco 200-125 : Practice Test Question No : 33 . the configured channel group number was 2 and the mode used was passive. Question No : 34 . interface FastEthernet 0/3 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk B.(Topic 2) A Composite Solution With Just One Click .Certification Guaranteed 33 .(Topic 2) Refer to the exhibit. so only choice B is correct. interface FastEthernet 0/3 channel-group 2 mode passive switchport trunk encapsulation dot1q switchport mode trunk C. interface FastEthernet 0/3 channel-group 2 mode on switchport trunk encapsulation dot1q switchport mode trunk Answer: B Explanation: Based on the output shown.

hold down timers B.) A Composite Solution With Just One Click . STP F. switching loops. routing loops.Cisco 200-125 : Practice Test Based on the network shown in the graphic Which option contains both the potential networking problem and the protocol or setting that should be used to prevent the problem? A. This algorithm guarantees that there is one and only one active path between two network devices. switching loops. routing loops. Question No : 35 . routing loops. switching loops. split horizon D. Spanning-Tree Protocol implements the 802.(Topic 2) Which two of these statements regarding RSTP are correct? (Choose two.Certification Guaranteed 34 . STP Answer: F Explanation: The Spanning-Tree Protocol (STP) prevents loops from being formed when switches or bridges are interconnected via multiple paths. split horizon C. and then removes the loop by shutting down selected bridge interfaces. VTP E.1D IEEE algorithm by exchanging BPDU messages with other switches to detect loops.

RSTP defines no new port states. B. RSTP is 802. RSTP cannot operate with PVST+.1D STP. Why has this switch not been elected the root bridge for VLAN1? A Composite Solution With Just One Click .(Topic 2) Refer to the exhibit. referred to as RSTP) will speed up significantly the speed to re-calculate spanning tree. RSTP not only defines the role of other ports: alternative port and backup port. Question No : 36 . Answer: B. D. forwarding status.E Explanation: When network topology changes. not revolution. RSTP is a proprietary implementation of IEEE 802.1W. and makes no changes. C. It retains most of the parameters.Certification Guaranteed 35 . but also defines status of 3 ports: discarding status.1D STP.Cisco 200-125 : Practice Test A. learning status. E. RSTP is compatible with the original IEEE 802. rapid spanning tree protocol (IEEE802. RSTP defines new port roles.1D standard evolution.

The connection between switches should be a trunk.1Q protocol. D. A network technician is asked to design a small network with redundancy. which is higher than the roots priority of 20481.(Topic 2) Refer to the exhibit. A Composite Solution With Just One Click . This design will function as intended. E. D. Question No : 37 . The exhibit represents this design.1d spanning tree. The router will not accept the addressing scheme. C. It has a higher bridge ID than the elected root bridge. and this switch has a bridge ID priority of 32768.Certification Guaranteed 36 . C. with all hosts configured in the same VLAN. What conclusions can be made about this design? A. Answer: D Explanation: The root bridge is determined by the lowest bridge ID.Cisco 200-125 : Practice Test A. It has more than one interface that is connected to the root network segment. The router interfaces must be encapsulated with the 802. B. It has a higher MAC address than the elected root bridge. B. It is running RSTP while the elected root bridge is running 802. Spanning-tree will need to be used.

trunk encapsulation D.Certification Guaranteed 37 . traceroute address D. Question No : 38 . duplex Answer: B Explanation: For an etherchannel to come up. DTP negotiation settings C. If two interfaces are in the same network.Cisco 200-125 : Practice Test Answer: C Explanation: Each interface on a router must be in a different network. duplex and the trunk encapsulation must be the same on each end. arp address Answer: A Explanation: A Composite Solution With Just One Click . the speed. ping address B.(Topic 2) Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN? A.(Topic 2) What parameter can be different on ports within an EtherChannel? A. Question No : 39 . speed B. tracert address C. the router will not accept it and show error when the administrator assigns it.

The lowest BID will win the election process. the switch with the highest IP address D.(Topic 2) What does a Layer 2 switch use to decide where to forward a received frame? A. For example. the switch with the highest MAC address B. source MAC address B. more commonly referred to as a BID. the switch with the lowest IP address Answer: B Explanation: Each switch in your network will have a Bridge ID Priority value. Question No : 40 .768 and a MAC address of 11-22-33-44-55-66. which switch is elected as the root bridge for the spanning-tree instance of VLAN 1? A. source IP address C. the switch with the lowest MAC address C. the MAC address is the deciding factor in the root bridge election. the BID would be 32768:11-22-33-44-55-66. with the priority value listed first.Certification Guaranteed 38 . Traceroute is used to verify the router hop path traffic will take but in this case since the hosts are in the same LAN there will be no router hops involved.Cisco 200-125 : Practice Test ICMP pings are used to verify connectivity between two IP hosts. if a Cisco switch has the default priority value of 32. source switch port A Composite Solution With Just One Click . This BID is a combination of a default priority value and the switch's MAC address. Question No : 41 .(Topic 2) Three switches are connected to one another via trunk ports. Therefore. Assuming the default switch configuration. if the switch priority is left at the default.

Cisco 200-125 : Practice Test D.) A.1w discarding state.D Explanation: There are only three port states left in RSTP that correspond to the three possible operational states. and listening states are merged into a unique 802. If the address is unknown. discarding B.1w) Port State Is Port Included in Active Topology? Is Port Learning MAC Addresses? Disabled Discarding No No Blocking Discarding A Composite Solution With Just One Click . listening C. learning D. disabled Answer: A. destination MAC address Answer: F Explanation: When a frame is received. STP (802. forwarding E. the frame is broadcast on all interfaces except the one it was received on. Question No : 42 .(Topic 2) Which two states are the port states when RSTP has converged? (Choose two. destination IP address E. The 802. blocking.1D disabled. the switch looks at the destination hardware address and finds the interface if it is in its MAC address table.Certification Guaranteed 39 .1D) Port State RSTP (802. destination port address F.

shtml#states Question No : 43 .cisco.1D protocol. called Rapid-PVST+.Cisco 200-125 : Practice Test No No Listening Discarding Yes No Learning Learning Yes Yes Forwarding Forwarding Yes Yes Reference: http://www. spanning-tree backbonefast D. spanning-tree uplinkfast B. that includes the benefits of its Per-VLAN spanning tree protocols.Certification Guaranteed 40 .(Topic 2) Which command enables RSTP on a switch? A. spanning-tree mode rapid-pvst C. Cisco has its own proprietary implementation of RSTP.1w protocol is an IEEE open implementation.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cf a. The RSTP 802. To activate the Rapid-PVST+ protocol: switch(config)#spanning-tree mode rapid-pvst A Composite Solution With Just One Click . spanning-tree mode mst Answer: B Explanation: Rapid Spanning Tree Protocol (RSTP) is an enhancement of the original STP 802.

for example. Each bridge has a configurable priority number and a MAC Address. physical B. transport A Composite Solution With Just One Click .1111).Bridge priority + MAC (32768.0000.0000. Question No : 45 . data link C.(Topic 2) At which layer of the OSI model is RSTP used to prevent loops? A. In this case. 32769: 11-22-33-44-55-65 D.. as if looking at a real number anything less than 32768.2222) both have a priority of 32768 then switch A will be selected as the root bridge. 32769: 22-33-44-55-66-78 Answer: A Explanation: The root bridge of the spanning tree is the bridge with the smallest (lowest) bridge ID. network D.0000.. if switches A (MAC=0200.will become the target of being the root. 32768: 22-33-44-55-66-77 C. The Bridge priority default is 32768 and can only be configured in multiples of 4096(Spanning tree uses the 12 bits extended system ID). the bridge ID contains both numbers combined together . 32768: 11-22-33-44-55-66 B. the priority is compared first. 32768: 11-22-33-44-55-66 would be the bridge because it has a lower priority and MAC address.Cisco 200-125 : Practice Test Question No : 44 . To compare two bridge IDs.(Topic 2) Which switch would STP choose to become the root bridge in the selection process? A. If two bridges have equal priority then the MAC addresses are compared.1111) and B (MAC=0200.Certification Guaranteed 41 .0200.

Question No : 46 . When a packet is received from an 802.(Topic 2) Which statement about VLAN operation on Cisco Catalyst switches is true? A. A Composite Solution With Just One Click .(Topic 2) Which of the following are benefits of VLANs? (Choose three.) A. C. D. B.1Q trunk. One of the most important fields in BPDUs is the Bridge Priority in which the MAC address is used to elect the Root Bridge -> RSTP operates at Layer 2 – Data Link layer ->. Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN. so incoming frames with unknown destinations are only transmitted to ports that reside in the same VLAN as the incoming frame. Question No : 47 . the VLAN ID can be determined from the source MAC address and the MAC address table. Ports between switches should be configured in access mode so that VLANs can span across the ports. They allow logical grouping of users by function. B. Answer: B Explanation: Each VLAN resides in its own broadcast domain.Certification Guaranteed 42 .Cisco 200-125 : Practice Test Answer: B Explanation: RSTP and STP operate on switches and are based on the exchange of Bridge Protocol Data Units (BPDUs) between switches. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN. They increase the size of collision domains.

not by location or geography ->. VLANs help minimize the incorrect configuration of VLANs so it enhances the security of the network ->. VLANs increase the number of broadcast domains while decreasing the size of the broadcast domains which increase the utilization of the links. VLANs are useful but they are more complex and need more administration ->. They increase the size of broadcast domains while decreasing the number of collision domains. Question No : 48 .C. F. E. VLAN increases the size of broadcast domains but does not decrease the number of collision domains ->.Cisco 200-125 : Practice Test C.(Topic 2) Refer to the exhibit.Certification Guaranteed 43 . Answer: B. D. They increase the number of broadcast domains while decreasing the size of the broadcast domains. They can enhance network security. It is also a big advantage of VLAN ->. A Composite Solution With Just One Click .E Explanation: When using VLAN the number and size of collision domains remain the same ->. They simplify switch administration. VLANs allow to group users by function.

VLANs that do not correspond to a unique IP subnet Answer: C Explanation: Untagged frames are encapsulated with the native VLAN.Certification Guaranteed 44 . A Composite Solution With Just One Click . the native VLANs are different so although S1 will tag it as VLAN 1 it will be received by S2. trunk mode mismatches B. allowing only VLAN 2 on the destination C. native VLAN mismatches D. In this case. What causes this behavior? A.Cisco 200-125 : Practice Test A frame on VLAN 1 on switch S1 is sent to switch S2 where the frame is received on VLAN 2.

Multiple devices are connected directly to FastEthernet0/1. E. C. FastEthernet0/5 has statically assigned MAC addresses. Interface FastEthernet0/2 has been disabled.) A.(Topic 2) Refer to the exhibit. Fa0/1 is connected to Switch2.Certification Guaranteed 45 .Cisco 200-125 : Practice Test Question No : 49 . and these MAC are in different VLAN. Answer: B.E Explanation: Carefully observe the information given after command show. From the information given by show cdp neighbors we find that there is no Fa0/5 in CDP A Composite Solution With Just One Click . A hub is connected directly to FastEthernet0/5. B. FastEthernet0/1 is configured as a trunk link. FastEthernet0/1 is connected to a host with multiple network interface cards. Which two statements are true of the interfaces on Switch1? (Choose two. seven MAC addresses correspond to Fa0/1. D. From this we know that Fa0/1 is the trunk interface. F.

VTP C. there are multiple MAC addresses from different VLANs attached to the FastEthernet 0/1 interface. An 802. F0/5 corresponds to two MAC addresses in the same VLAN. SAP is a concept of the OSI model. What will happen in this scenario? A Composite Solution With Just One Click .1d B. Thus we know that Fa0/5 is connected to a Hub.1q is a Frame Relay protocol which belongs to VLAN.D Explanation: This question is to examine the STP protocol. 802. Question No : 51 . 802.Certification Guaranteed 46 . SAP Answer: A. On CAT1.) A.(Topic 2) Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13.(Topic 2) Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two. However. STP E.1Q trunk is configured between the two switches. Based on the output shown. STP (802.1d) is used to prevent Layer 2 loops.Cisco 200-125 : Practice Test neighbor. Only trunks are able to pass information from devices in multiple VLANs. Question No : 50 . 802. VLAN 10 is chosen as native.1q D. but on CAT2 the native VLAN is not specified.

“VLAN mismatch” can cause traffic from one vlan to leak into another vlan. By containing traffic originating on a particular LAN only to other LANs in the same VLAN. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames. or applications rather than on a physical or geographical basis. and no users outside that VLAN can communicate with them.1Q giants frames could saturate the link. VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames. Answer: C Explanation: A “native VLAN mismatch” error will appear by CDP if there is a native VLAN mismatch on an 802.1Q link.C Explanation: A VLAN is a switched network that is logically segmented on an organizational basis. A native VLAN mismatch error message will appear. by functions. contains collisions Answer: A. High-security users can be grouped into a VLAN. project teams. Question No : 52 .) A.Certification Guaranteed 47 . dedicated bandwidth C. C. possible on the same physical segment. allows switches to route traffic between subinterfaces E. LAN Segmentation VLANs allow logical network topologies to overlay the physical switched infrastructure such that any arbitrary collection of LAN ports can be combined into an autonomous user group or community of interest. D. added security B. B. 802. The technology logically segments the network into separate Layer 2 broadcast domains whereby packets are switched between ports designated to be within the same VLAN. provides segmentation D. switched virtual networks avoid wasting bandwidth. A Composite Solution With Just One Click .(Topic 2) Which two benefits are provided by creating VLANs? (Choose two. Security: VLANs also improve security by isolating groups.Cisco 200-125 : Practice Test A.

Certification Guaranteed 48 . even though the proper cabling has been attached? A Composite Solution With Just One Click .1Qcompliant trunk to another switch. Based on the output shown. Switch port FastEthernet 0/24 on ALSwitch1 will be used to create an IEEE 802. what is the reason the trunk does not form.(Topic 2) Refer to the exhibit.Cisco 200-125 : Practice Test Question No : 53 .

The port is currently configured for access mode. D. by using the following command: (Config-if)#switchport mode trunk. VLANs have not been created yet. B. not an access port. The “no shutdown” command has not been entered for the port.(Topic 2) Refer to the exhibit.Certification Guaranteed 49 . C. Question No : 54 . Answer: C Explanation: According to the output shown the switchport (layer 2 Switching) is enabled and the port is in access mode. what should the network administrator's next action be? A Composite Solution With Just One Click . To make a trunk link the port should configured as a trunk port. E. An IP address must be configured for the port.Cisco 200-125 : Practice Test A. The correct encapsulation type has not been configured. Given this output for SwitchC.

Check the duplex mode for SwitchA's fa0/2 port.Cisco 200-125 : Practice Test A. Answer: C Explanation: Here we can see that this port is configured for full duplex. Question No : 55 . B. it helps reduce administrative costs when users are geographically dispersed. so the next step would be to check the duplex setting of the port on the other switch. Check the trunk encapsulation mode for SwitchA's fa0/2 port. Check the duplex mode for SwitchC's fa0/1 port. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.1Q trunks. because the VLANs all belong to the same broadcast domain. C. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. A higher level of network security can be reached by separating sensitive data traffic from other network traffic. Answer: A. Broadcast storms can be mitigated by decreasing the number of broadcast domains. thus reducing their size.C. Inexpensive A Composite Solution With Just One Click . Broadcast storms can be mitigated by increasing the number of broadcast domains. thanks to 802. 1. B.) A. They provide numerous networking benefits and have become popular in the market. Port-based VLANs increase switch-port use efficiency. G. thus increasing their size.Certification Guaranteed 50 . A mismatched trunk encapsulation would not result in input errors and CRC errors. E. Check the trunk encapsulation mode for SwitchC's fa0/1 port.D Explanation: Benefits of VLANs VLAN is a network structure which allows users to communicate while in different locations by sharing one multicast domain and a single broadcast. D.(Topic 2) What are three benefits of implementing VLANs? (Choose three. F. D. VLANs make it easier for IT staff to configure new logical groups. C. For instance.

Better management A VLAN typically solve the scalability issues that exist in a large network by breaking the main domain into several VLAN groups or smaller broadcast configurations. ISL E. IGP D.1q or the Cisco proprietary ISL. the industry standard 802. Time-consuming. 3. and host reconfigurations is now a thing of the past. Better administration VLANs facilitate grouping of multiple geographical stations. smaller broadcast domain. most network engineers prefer to use A Composite Solution With Just One Click . 5. They are popularly used to reduce broadcast traffic. the network does not have to be configured. Improves network security High-security can be positioned in different VLAN groups to ensure that non-members cannot receive their broadcasts. VTP B. adds.1q C. 802. a router is added and workgroups relocated into centralized locations. thereby encourage better control of multicast traffic as well as broadcast domains.3u Answer: B.D Explanation: Cisco switches can use two different encapsulation types for trunks. Question No : 56 . and moves can be attained simply by making necessary configurations on the VLAN port. because network configuration can be made at ease when need arises. Segment multiple networks VLANs are typically used to achieve multiple purposes. 2. Generally.Cisco 200-125 : Practice Test The popularity of VLANs is due to the fact that changes.) A. When VLAN users move to another physical location.(Topic 2) Which two link protocols are used to carry multiple VLANs over a single link? (Choose two.Certification Guaranteed 51 . Enhances performance A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. 4. 802. readdressing. 6. Each VLAN creates a separate. On the other hand.

A Composite Solution With Just One Click . Question No : 57 . Host B and the switch need to be in the same subnet. D. The network administrator normally establishes a Telnet session with the switch from host A.Certification Guaranteed 52 . host A is unavailable. Host B needs to be assigned an IP address in VLAN 1. Since VLAN1 interface is already configure on switch Host A was able to telnet switch. Answer: D Explanation: Ping was successful form host B to other hosts because of intervlan routing configured on router. C. However. But to manage switch via telnet the VLAN32 on the switch needs to be configured interface vlan32 along with ip address and its appropriate default-gateway address.1q since it is standards based and will interoperate with other vendors. The administrator's attempt to telnet to the switch from host B fails. What is the issue? A. but pings to the other two hosts are successful.Cisco 200-125 : Practice Test 802. The switch needs an appropriate default gateway assigned. The switch interfaces need the appropriate IP addresses assigned. The switch interface connected to the router is down. B. E.(Topic 2) Refer to the exhibit.

SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.168. Which set of commands is required to accomplish this task? A.168.0 SwitchB(config-if)# no shutdown C.Certification Guaranteed 53 .252 255.255. SwitchB(config)# interface FastEthernet 0/1 SwitchB(config-if)# ip address 192.252 255.252 255.Cisco 200-125 : Practice Test Question No : 58 .8. SwitchB(config)# ip default-network 192.255.168.255.8.8.255.0 SwitchB(config-if)# ip default-gateway 192.(Topic 2) Refer to the exhibit.255.255.254 255.0 SwitchB(config-if)# no shutdown D.8.168.8.255.168.252 255.255.8.0 SwitchB(config-if)# no shutdown A Composite Solution With Just One Click .0 SwitchB(config-if)# no shutdown B.254 SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.8.255.168.168. SwitchB(config)# ip default-gateway 192.255. A technician has installed SwitchB and needs to configure it for remote access from the management workstation connected to SwitchA.254 SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.

252 255.Certification Guaranteed 54 .255. we can recognize that the Management Workstation is in a different subnet from the SwitchB.168.(Topic 2) Refer to the exhibit. In the exhibit. For intersubnetwork communication to occur.255.0 SwitchB(config)# interface FastEthernet 0/1 SwitchB(config-if)# ip address 192. you must configure at least one default gateway.8. Traditionally. Question No : 59 .) A Composite Solution With Just One Click .0 SwitchB(config-if)# no shutdown Answer: C Explanation: To remote access to SwitchB. we often use VLAN 1 as the management VLAN (but in fact it is not secure).8. it must have a management IP address on a VLAN on that switch.168.255. SwitchB(config)# ip route 192. not to forward traffic sent by devices connected to the switch.Cisco 200-125 : Practice Test E. This default gateway is used to forward traffic originating from the switch only. The output that is shown is generated at a switch.255. Which three statements are true? (Choose three.254 255.

we see that all ports are in designated role (forwarding state). C. All ports will be in a state of discarding. D. or forwarding. All designated ports are in a forwarding state. The bridge priority is lower than the default value for spanning tree.(Topic 2) Refer to the topology shown in the exhibit. We don’t know how many VLAN exists in this switch ->. All three interfaces on this switch have the connection type “p2p”. learning. The only thing we can specify is this switch is the root bridge for VLAN 3o but we cannot guarantee it is also the root bridge for other VLANs. This switch must be the root bridge for all VLANs on this switch. Thirty VLANs have been configured on this switch.Certification Guaranteed 55 . The bridge priority of this switch is 24606 which is lower than the default value bridge priority 32768. B. Question No : 60 . E. F. A Composite Solution With Just One Click . which means Point-topoint environment – not a shared media. All interfaces that are shown are on shared media.C.Cisco 200-125 : Practice Test A.E Explanation: From the output. The command “show spanning-tree vlan 30 only shows us information about VLAN 30. Answer: A.

Select the root port on the non-root bridge. select the root bridge. the smallest will be selected. still the smallest will be selected. if the costs happen to be the same.Fa0/1 Answer: B.D Explanation: This question is to check the spanning tree election problem. which can be accomplished by comparing the bridge ID. select the Designated Port. First. so we should compare the MAC address. compare the path cost.Fa0/0 F. The DP on the link between SwitchA and SwitchC is SwitchA'Fa0/1.) A.C. Switch A . Question No : 61 . 3. Each link has a DP. which can be completed through comparing root path cost. it is easy to find that SwitchB is the root bridge. 1. Bridge-id= bridge priority + MAC address. Switch B .(Topic 2) Refer to the exhibit. First.Fa0/1 C. The smallest will be selected as the root port.Fa0/0 D.Fa0/1 E. because it has the smallest MAC address.Certification Guaranteed 56 .Cisco 200-125 : Practice Test Which three ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three. 2. Switch C . Based on the exhibit above.Fa0/0 B. we can find DP on each link. Switch C . then compare the BID. Switch A . The three switches in the figure all have the default priority. Switch B . Next. A Composite Solution With Just One Click .

The ports only need to be connected by a crossover cable. A Composite Solution With Just One Click .Certification Guaranteed 57 . the individual VLANs should not be listed over that trunk interface. The “switchport mode trunk” command is all that is needed. B. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode access SwitchX(config-if)# switchport access vlan 1 D.Cisco 200-125 : Practice Test How should the FastEthernet0/1 ports on the switches that are shown in the exhibit be configured to allow connectivity between all devices? A. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk C. SwitchX(config)# interface fastethernet 0/1 SwitchX(config-if)# switchport mode trunk SwitchX(config-if)# switchport trunk vlan 1 SwitchX(config-if)# switchport trunk vlan 10 SwitchX(config-if)# switchport trunk vlan 20 Answer: B Explanation: IN order for multiple VLANs to cross switches. the connection between the switches must be a trunk.

E. B.(Topic 2) What are three advantages of VLANs? (Choose three. because it can better control layer2 broadcast to improve network security. D. moving. Answer: A.) A.Cisco 200-125 : Practice Test Question No : 62 . not physical location. VLANs provide a low-latency internetworking alternative to routed networks. VLANs allow access to network services based on department. A Composite Solution With Just One Click . VLANs can greatly simplify adding.F Explanation: VLAN technology is often used in practice.(Topic 2) Refer to the exhibit. Packet filtering is a function of firewall instead of VLAN. E. VLANs utilize packet filtering to enhance network security. F. Question No : 63 .Certification Guaranteed 58 . C. VLANs provide a method of conserving IP addresses in large networks. This makes network more flexible and scalable. or changing hosts on the network. VLANs establish broadcast domains in switched networks.

A Composite Solution With Just One Click .Certification Guaranteed 59 . E. The link connecting the switches has not been configured as a trunk. The port-to-VLAN assignments are identical on the two switches. What could be the problem? A. D. A router is required for hosts on SW11 in VLANs 10 and 15 to communicate with hosts in the same VLAN on Sw12. At least one port needs to be configured in VLAN 1 for VLANs 10 and 15 to be able to communicate. those switches need to be configured as trunks on their connected interfaces so that they can pass traffic from multiple VLANs. C. Port FastEthernet 0/1 needs to be configured as an access link on both switches. Hosts in the Admin VLAN are able to communicate. The Fa0/1 port is not operational on one of the switches. B. Answer: B Explanation: In order for hosts in the same VLAN to communicate with each other over multiple switches.Cisco 200-125 : Practice Test A technician is troubleshooting host connectivity issues on the switches. The hosts in VLANs 10 and 15 on Sw11 are unable to communicate with hosts in the same VLANs on Sw12.

auto C. forwarding Answer: B.Certification Guaranteed 60 . blocking F. ✑ OFF: This mode puts the port into permanent non-trunk mode and negotiates to convert the link into a non-trunk link. bundling four interfaces into channel group 1.(Topic 2) A network administrator creates a layer 3 EtherChannel.C.) A. Question No : 65 . the port-channel 1 interface B. ✑ Nonegotiate: This mode puts the port into permanent trunk mode. The port becomes a non-trunk port even if the adjacent port does not agree to the change.Cisco 200-125 : Practice Test Question No : 64 . On what interface is the IP address configured? A. the highest number member interface C. desirable. ✑ Desirable: This mode causes the port to actively attempt to convert the link into a trunk link. The adjacent port must be configured manually as a trunk port to establish a trunk link. but does not allow the port to generate Dynamic Trunking Protocol (DTP) frames. all member interfaces A Composite Solution With Just One Click . The port becomes a trunk port even if the adjacent port does not agree to the change. This is the default mode for Fast and Gigabit Ethernet ports. The port becomes a trunk port if the adjacent port is set to on. on D.(Topic 2) Which three are valid modes for a switch port used as a VLAN trunk? (Choose three. desirable E. ✑ Auto: This mode enables the port to convert the link into a trunk link.D Explanation: These are the different types of trunk modes: ✑ ON: This mode puts the port into permanent trunk mode and negotiates to convert the link into a trunk link. or auto mode. The port becomes a trunk port if the adjacent port is set to on or desirable mode. transparent B.

you can remain in interface configuration mode and enable other supported interface commands to meet The IP address is assigned to the port channel interface. use the following steps beginning in global configuration mode: Command Purpose Step 1 Router(config)# interface port-channel channel-number Router(config-if)# Creates the EtherChannel interface. Reference: http://www.Cisco 200-125 : Practice Test D.com/c/en/us/td/docs/switches/lan/catalyst2948gand4908g/120_7_w5_15d/configuration/guide/config/ether_ch.(Topic 2) What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch? A Composite Solution With Just One Click . Step 2 Router(config-if)# ip address ip-address subnet-mask Assigns an IP address and subnet mask to the EtherChannel interface. You can configure up to 16 FECs and 1 GEC on the Catalyst 2948G-L3 and up to 4 GECs on the Catalyst 4908G-L3.cisco.html Question No : 66 .Certification Guaranteed 61 . Step 3 Router(config-if)# exit Router(config)# Exits this mode. not the underlying physical member interfaces. Optionally. the lowest number member interface Answer: A Explanation: To create an EtherChannel interface and assign its IP address and subnet mask.

B. the switch forwards untagged traffic in the native VLAN configured for the port. six D. It creates a VLAN 999 interface. one B. It designates VLAN 999 for untagged traffic.Cisco 200-125 : Practice Test A. The native VLAN is VLAN 1 by default. It blocks VLAN 999 traffic from passing on the trunk. Answer: B Explanation: Configuring the Native VLAN for Untagged Traffic A trunk port configured with 802. It designates VLAN 999 as the default for all unknown tagged traffic.Certification Guaranteed 62 .1Q tagging can receive both tagged and untagged traffic. D. By default. C. twelve Answer: A Explanation: A Composite Solution With Just One Click . two C. Question No : 67 .(Topic 2) Refer to Exhibit: How many broadcast domains are shown in the graphic assuming only the default VLAN is configured on the switches? A.

For your information.Cisco 200-125 : Practice Test Only router can break up broadcast domains but in this exhibit no router is used so there is only 1 broadcast domain. F. RSTP expands the STP port roles by adding the alternate and backup roles. Question No : 68 . * Backup port – A backup/redundant path to a segment where another bridge port already A Composite Solution With Just One Click . C. RSTP port states are blocking. RSTP uses the same timer-based process as STP on point-to-point links. RSTP significantly reduces topology reconverging time after a link failure.B. To overcome this problem. E. or forwarding. These ports are allowed to immediately enter the forwarding state rather than passively wait for the network to converge.1w introduced an evolution of the Spanning Tree Protocol: Rapid Spanning Tree Protocol (RSTP). B. which significantly reduces the convergence time after a topology change occurs in the network. D. learning. RSTP works by adding an alternative port and a backup port compared to STP. This path is different than using the root port. RSTP also uses the STP proposal-agreement sequence. there are 7 collision domains in this exhibit (6 collision domains between hubs & switches + 1 collision between the two switches). While STP can take 30 to 50 seconds to transit from a blocking state to a forwarding state.Certification Guaranteed 63 . Answer: A.) A.(Topic 2) Which three statements about RSTP are true? (Choose three.D Explanation: One big disadvantage of STP is the low convergence which is very important in switched network. RSTP provides a faster transition to the forwarding state on point-to-point links than STP does. The alternative port moves to the forwarding state if there is a failure on the designated port for the segment. RSTP is typically able to respond less than 10 seconds of a physical link failure. discarding. RSTP bridge port roles: * Root port – A forwarding port that is the closest to the root bridge in terms of path cost * Designated port – A forwarding port for every LAN segment * Alternate port – A best alternate path to the root bridge. in 2001. the IEEE with document 802.

Gi0/1. SwitchB. the switch must be attached to a hub. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three. as well as being configured to run RSTP. Fa0/1. SwitchB. Fa0/2.Cisco 200-125 : Practice Test connects. Question No : 69 .(Topic 2) Refer to the exhibit. * Disabled port – Not strictly part of STP.) A. root C. designated A Composite Solution With Just One Click . Each of these four switches has been configured with a hostname. a network administrator can manually disable a port. No other configuration changes have been made. root D. SwitchA. Gi0/2. To have two links to the same collision domain. designated B. SwitchA.Certification Guaranteed 64 . The backup port applies only when a single switch has two links to the same segment (collision domain).

root Answer: A. root F. Because SwitchC is the root bridge so the 2 ports nearest SwitchC on SwitchA (Fa0/1) and SwitchD (Gi0/2) will be root ports. This can be calculated from the “cost to the root bridge” of each switch because a switch always advertises its cost to the root bridge in its BPDU.Certification Guaranteed 65 . Now we come to the most difficult part of this question: SwitchB must have a root port so which port will it choose? To answer this question we need to know about STP cost and port cost. One more thing to notice is that a root bridge always advertises the cost to the root bridge (itself) with an initial value of 0. SwitchD. Switch C has lowest MAC address so it will become root bridge and 2 of its ports (Fa0/1 & Fa0/2) will be designated ports.Cisco 200-125 : Practice Test E. In general.B. The receiving switch will add its local port cost value to the cost in the BPDU. SwitchC. Gi0/2. The higher the bandwidth on a link.F Explanation: The question says “no other configuration changes have been made” so we can understand these switches have the same bridge priority. Now let’s have a look at the topology again A Composite Solution With Just One Click . Below are the cost values you should memorize: SwitchB will choose the interface with lower cost to the root bridge as the root port so we must calculate the cost on interface Gi0/1 & Gi0/2 of SwitchB to the root bridge. Fa0/2. “cost” is calculated based on bandwidth of the link. the lower the value of its cost.

The same process happens for SwitchA and SwitchB learns that it can reach SwitchC via Gi0/2 with a total cost of 23 -> Switch B chooses Gi0/1 as its root port ->.Cisco 200-125 : Practice Test SwitchC advertises its cost to the root bridge with a value of 0. Below summaries all the port roles of these switches: A Composite Solution With Just One Click . SwitchB adds another 4 and learns that it can reach SwitchC via Gi0/1 port with a total cost of 8. Now our last task is to identify the port roles of the ports between SwitchA & SwitchB. It is rather easy as the MAC address of SwitchA is lower than that of SwitchB so Fa0/2 of SwitchA will be designated port while Gi0/2 of SwitchB will be alternative port.Certification Guaranteed 66 . Switch D adds 4 (the cost value of 1Gbps link) and advertises this value (4) to SwitchB.

B. C. Answer: C Explanation: The PVST+ provides Layer 2 load-balancing for the VLAN on which it runs. to provide optimized bandwidth usage. PVST+ automatically selects the root bridge location.Certification Guaranteed 67 . PVST+ allows the root switch location to be optimized per VLAN.Cisco 200-125 : Practice Test + DP: Designated Port (forwarding state) + RP: Root Port (forwarding state) + AP: Alternative Port (blocking state) Question No : 70 . D. PVST+ reduces the CPU cycles for all the switches in the network. You can create A Composite Solution With Just One Click . PVST+ supports Layer 3 load balancing without loops.(Topic 2) What is one benefit of PVST+? A.

Because each switch has the same information about the network. this process ensures that the network topology is maintained and optimized per VLAN.com/en/US/docs/switches/lan/catalyst3750x_3560x/software/release/12. modified or removed. Each instance of PVST+ on a VLAN has a single root switch.2 _55_se/configuration/guide/swstp.Certification Guaranteed 68 . 2 through 1001 C.(Topic 2) Assuming the default switch configuration. 1 through 1001 B. and removed on a Cisco switch? A. Reference: http://www. This root switch propagates the spanning-tree information associated with that VLAN to all other switches in the network.Cisco 200-125 : Practice Test different logical topologies by using the VLANs on your network to ensure that all of your links are used but that no one link is oversubscribed. 1 through 1002 D. modified.html Question No : 71 . A Composite Solution With Just One Click . which VLAN range can be added.cisco. 2 through 1005 Answer: B Explanation: Explanation VLAN 1 is the default VLAN on Cisco switch. VLANs 1002-1005 are default VLANs for FDDI & Token Ring and they can’t be deleted or used for Ethernet. It always exists and cannot be added.

Certification Guaranteed 69 . Question No : 73 .1D Spanning Tree Protocol (STP). learning. forwarding and disabled). discarding D.(Topic 2) A Composite Solution With Just One Click . But PVST+ has only 3 port states (discarding. learning B. learning and forwarding) while STP has 5 port states (blocking.Cisco 200-125 : Practice Test Question No : 72 . So discarding is a new port state in PVST+. listening C. listening. forwarding Answer: C Explanation: PVST+ is based on IEEE802.(Topic 2) Which port state is introduced by Rapid-PVST? A.

highest port priority number E. HDLC C. port priority number and MAC address A Composite Solution With Just One Click . we can know that the data link protocol used in this network is the Frame Relay protocol. path cost B.(Topic 2) What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology? A. VTP revision number D. PPP Answer: C Explanation: This question is to examine the show int command. Frame Relay D. Which WAN protocol is being used? A. lowest port MAC address C.Certification Guaranteed 70 .Cisco 200-125 : Practice Test Refer to the exhibit. ATM B. “LMI enq sent…” Question No : 74 . According to the information provided in the exhibit.

Question No : 75 . show interface trunk B. the port with lowest cost to the root bridge will become root port (on non-root switch). In particular.1q trunking 1 Fa0/20 auto n-802.Certification Guaranteed 71 . show interface vlan E.1q trunking 1 Fa0/21 auto n-802. show interface switchport Answer: A.) A. show interface interface C.Cisco 200-125 : Practice Test Answer: A Explanation: The path cost to the root bridge is the most important value to determine which port will become the root port on each non-root switch.E Explanation: Example output from these two commands: SW3#show interface trunk Port Mode Encapsulation Status Native vlan Fa0/19 auto n-802.1q trunking 1 Port Vlans allowed on trunk Fa0/19 1-4094 Fa0/20 1-4094 Fa0/21 1-4094 Fa0/22 1-4094 SW1#show interface fast 0/2 switchport Name: Fa0/2 Switchport: Enabled A Composite Solution With Just One Click .(Topic 2) Which two commands can be used to verify a trunk link configuration status on a given Cisco switch interface? (Choose two. show ip interface brief D.1q trunking 1 Fa0/22 auto n-802.

an approach to wireless LAN communication D. what does the IEEE 802. one switch must send frames to another switch and indicate which VLAN a particular frame belongs to.1Q for FastEthernet and Gigabit Ethernet interfaces. Question No : 77 . ISL and IEEE 802.1Q are different methods of putting a VLAN identifier in a Layer 2 frame. On Cisco switches.Certification Guaranteed 72 . To accomplish this.(Topic 2) In a switched environment.1Q protocol interconnects VLANs between multiple switches. routers. a method of VLAN trunking C. With 802.1Q.1Q trunk link provides VLAN identification by adding a 4-byte tag to an Ethernet Frame as it leaves a trunk port. a network administrator can define a VLAN topology to span multiple physical devices.Cisco 200-125 : Practice Test Administrative Mode: dynamic desirable Operational Mode: down Administrative Trunking Encapsulation: dot1q Negotiation of TrunkinG. An 802. Cisco switches support IEEE 802. and servers.(Topic 2) A Composite Solution With Just One Click . the process for root bridge selection E.1Q standard describe? A. The IEEE 802. the operation of VTP B. On Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Voice VLAN: none Question No : 76 . VLAN pruning Answer: B Explanation: A broadcast domain must sometimes exist on more than one switch in the network. a trunk link is created to accomplish this VLAN identification.

What will Switch-1 do with this data? A. Switch-1 will forward the data to its default gateway. ✑ Machines may have been removed from a port. Switch-1 will send an ARP request out all its ports except the port from which the data originated. D.efa4. turned off. C. Switches work as follows: ✑ Switches learn the MAC addresses of PCs or workstations that are connected to their switch ports by examining the source address of frames that are received on that port. B. Answer: B Explanation: This question tests the operating principles of the Layer 2 switch. or moved to another port on the same switch or a different switch. Switch-1 needs to send data to a host with a MAC address of 00b0. Switch-1 will flood the data out all of its ports except the port from which the data originated. ✑ The MAC address entry is automatically discarded or aged out after 300 seconds A Composite Solution With Just One Click . Check the MAC address table of Switch1 and find that the MAC address of the host does not exist in the table. Switch1 will flood the data out all of its ports except the port from which the data originated to determine which port the host is located in.Certification Guaranteed 73 . Switch-1 will drop the data because it does not have an entry for that MAC address.d056. ✑ This could cause confusion in frame forwarding.Cisco 200-125 : Practice Test Refer to the exhibit.

Question No : 79 . Question No : 78 .Certification Guaranteed 74 . 802.1w C.D A Composite Solution With Just One Click .C.1Q) to be used.(Topic 2) Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet? A.3ad B. transparent B.Cisco 200-125 : Practice Test ✑ If there is not MAC address of destination host in MAC table. auto C. 802.) A. switch sends broadcast to all ports except the source to find out the destination host. 802. desirable E. client F. 802. In output there is no MAC address of give host so switch floods to all ports except the source port.1Q Answer: D Explanation: Dynamic Trunking Protocol (DTP) is a Cisco proprietary protocol for negotiating trunking on a link between two devices and for negotiating the type of trunking encapsulation (802.1D D.(Topic 2) What are the possible trunking modes for a switch port? (Choose three. on D. forwarding Answer: B.

desirable. A Composite Solution With Just One Click . Question No : 80 . ✑ Desirable: This mode causes the port to actively attempt to convert the link into a trunk link. The port becomes a trunk port even if the adjacent port does not agree to the change.Certification Guaranteed 75 .Cisco 200-125 : Practice Test Explanation: These are the different types of trunk modes: ✑ ON: This mode puts the port into permanent trunk mode and negotiates to convert the link into a trunk link. The port becomes a trunk port if the adjacent port is set to on. ✑ Auto: This mode enables the port to convert the link into a trunk link. but does not allow the port to generate Dynamic Trunking Protocol (DTP) frames. ✑ OFF: This mode puts the port into permanent non-trunk mode and negotiates to convert the link into a non-trunk link. The port becomes a trunk port if the adjacent port is set to on or desirable mode. or auto mode. ✑ Nonegotiate: This mode puts the port into permanent trunk mode. The port becomes a non-trunk port even if the adjacent port does not agree to the change. This is the default mode for Fast and Gigabit Ethernet ports.(Topic 2) Refer to the exhibit. The adjacent port must be configured manually as a trunk port to establish a trunk link.

interface FastEthernet 0/1 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk interface FastEthernet 0/2 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk B. it was using PagP.Certification Guaranteed 76 . interface FastEthernet 0/1 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk interface FastEthernet 0/2 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk C. What is the correct configuration for SW2? A. so. interface FastEthernet 0/1 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk interface FastEthernet 0/2 channel-group 1 mode desirable switchport trunk encapsulation dot1q switchport mode trunk D. The SW1 configuration is shown. PagP modes: auto | Desirable LACP modes: active | pasive A Composite Solution With Just One Click . interface FastEthernet 0/1 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk interface FastEthernet 0/2 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk Answer: C Explanation: If the etherchannel was configured with mode “auto”.Cisco 200-125 : Practice Test A network administrator is configuring an EtherChannel between SW1 and SW2. we need to configure the other switch with “desirable” mode.

Broadcast frames are never sent to switches. C. More collision domains will be created. What is the effect of adding switch ports to a new VLAN on the switch? A. A broadcast frame is never forwarded by a switch.(Topic 2) Why will a switch never learn a broadcast address? A.(Topic 2) A switch is configured with all ports assigned to VLAN 2 with full duplex FastEthernet to segment existing departmental traffic. B. E. and since a broadcast is never the source. An additional broadcast domain will be created.Certification Guaranteed 77 . D. More bandwidth will be required than was needed previously. Broadcasts only use network layer addressing. Since this is a full duplex switch. C. B. IP address utilization will be more efficient. Question No : 82 . each port is a separate collision domain.Cisco 200-125 : Practice Test Question No : 81 . D. Answer: C Explanation: Switches dynamically learn MAC addresses based on the source MAC addresses that it sees. it will never learn the broadcast address. A broadcast address will never be the source address of a frame. Answer: D Explanation: Each VLAN creates its own broadcast domain. A Composite Solution With Just One Click . Broadcast addresses use an incorrect format for the switching table.

Switch3 D.Cisco 200-125 : Practice Test Question No : 83 . Switch3 with a smaller MAC address will provide a designated port for printers. Switch4 Answer: C Explanation: Printers are connected by hubs. They have the same priority 32768.(Topic 2) Refer to the exhibit. Switch1 B. Which switch provides the spanning-tree designated port role for the network segment that services the printers? A. Switch2 C. Compare their MAC addresses.Certification Guaranteed 78 . Decide the switch that provides the spanning-tree designated port role between Switch3 and Switch4. A Composite Solution With Just One Click .

and thus requires that the FCS be recomputed.1Q trunking are correct? (Choose three. The 802.1Q trunk link transmits VLAN information through Ethernet. 802. Note for the 802. Answer: A. D. B.3 frame header. It is a trunking protocol capable of carrying untagged frames.E Explanation: A Composite Solution With Just One Click . C. D. It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.) A. E. 802.1Q trunk ports on same trunk link is properly configured. C.Cisco 200-125 : Practice Test Question No : 84 .1Q trunks require full-duplex. Receiver switches will transmit all unmarked packets to Native VLAN. 802.1Q protocol? (Choose two. Switches can forward Layer 2 frame from Native VLAN on unmarked trunks port. If the Native VLAN in 802.(Topic 2) Which two of these are characteristics of the 802. E. Answer: B. Question No : 85 . B. 802.(Topic 2) Which three of these statements regarding 802. It includes an 8-bit field which specifies the priority of a frame.E Explanation: By default. the same Native VLAN configuration is required on both sides of the link. point-to-point connectivity.1Q trunks can use 10 Mb/s Ethernet interfaces. Native VLAN is the default VLAN configuration of port.1Q trunking ports can also be secure ports.) A. 802.1Q native VLAN frames are untagged by default. It modifies the 802.1Q trunk defined Native VLAN in order to forward unmarked frame.1Q trunks should have native VLANs that are the same at both ends.1Q trunk ports between two devices. 802.Certification Guaranteed 79 . it could lead to layer 2 loops. It is used exclusively for tagging VLAN frames and does not address network reconvergence following switched network topology changes.C.

Question No : 86 .1Q frame relay supports two types of frame: marked and non-marked. mainly stipulates the realization of the VLAN. Switch4. port fa0/12 C. Switch3. Switch3. or Virtual Bridged Local Area Networks protocol. port fa0/2 E. port fa0/1 B. Non-marked frame carries no VLAN identification information. 802.Certification Guaranteed 80 .1Q protocol. At the end of an RSTP election process. Switch3.(Topic 2) Refer to the exhibit. port fa0/11 D. Switch4. port Gi0/1 F. port Gi0/2 Answer: C Explanation: In this question. Switch3. Switch 3 has A Composite Solution With Just One Click .1Q is a standardized relay method that inserts 4 bytes field into the original Ethernet frame and re-calculate the FCS. 802. we only care about the Access Layer switches (Switch3 & 4).Cisco 200-125 : Practice Test 802. which access layer switch port will assume the discarding role? A.

A BPDU is superior to another if it has: 1. A lower Sending Bridge ID 4. A lower Sending Port ID These four parameters are examined in order. A lower Root Bridge ID 2. the answer is based on the BPDUs it receives from Switch3.Cisco 200-125 : Practice Test a lower bridge ID than Switch 4 (because the MAC of Switch3 is smaller than that of Switch4) so both ports of Switch3 will be in forwarding state. and because Fa0/12 is inferior to Fa0/1. so Switch4 will compare port index values. The only parameter left to select the best one is the Sending Port ID (Port ID = port priority + port index). Switch4 will need to block one of its ports to avoid a bridging loop between the two switches. Given the output shown from this Cisco Catalyst 2950. the same path cost to the Root and the same Sending Bridge ID. But how does Switch4 select its blocked port? Well. A lower path cost to the Root 3.Certification Guaranteed 81 . In this case the port priorities are equal because they use the default value. Question No : 87 . In this specific case.(Topic 2) Refer to the exhibit. what is the reason that interface FastEthernet 0/10 is not the root port for VLAN 2? A Composite Solution With Just One Click . The alternative port will surely belong to Switch4. Switch4 will select the port connected with Fa0/1 (of Switch3) as its root port and block the other port -> Port fa0/11 of Switch4 will be blocked (discarding role). which are unique to each port on the switch. all the BPDUs sent by Switch3 have the same Root Bridge ID.

show vty logins Answer: B Explanation: The “show users” shows telnet/ssh connections to your router while “show sessions” shows telnet/ssh connections from your router (to other devices). show users D. This switch has more than one interface connected to the root network segment in VLAN 2. Answer: C Explanation: Since the port is in the blocked status. show session C. Topic 3. This switch interface has a higher path cost to the root bridge than another in the topology. B. Question No : 89 . we must assume that there is a shorter path to the root bridge elsewhere.Cisco 200-125 : Practice Test A.(Topic 3) Which command shows your active Telnet connections? A. This switch has a lower bridge ID for VLAN 2 than the elected designated switch. This switch is running RSTP while the elected designated switch is running 802. show cdp neigbors B.1d Spanning Tree.(Topic 3) A Composite Solution With Just One Click . The question asks about “your active Telnet connections”.Certification Guaranteed 82 . meaning connections from your router so the answer should be A. C. D. Routing Technologies Question No : 88 .

By default.1 RouterA(config-subif)#encapsulation ? dot1Q IEEE 802. you need a router or a layer 3 switch.x.x y. but they are unable to communicate with hosts on different VLANs. When using VLANs in networks that have multiple interconnected switches. a router with subinterfaces configured on the physical interface that is connected to the switch B.) A Composite Solution With Just One Click . you need to use VLAN trunking between the switches. it is needed to connect a router to a switch. With VLAN trunking. a switch with a trunk link that is configured between the switches Answer: A Explanation: Different VLANs can't communicate with each other. only hosts that are members of the same VLAN can communicate.(Topic 3) Which two statements about the OSPF Router ID are true? (Choose two. To change this and allow inter-VLAN communication. Hence. hosts on the same VLAN can communicate with each other. a switch with an access link that is configured between the switches D. they can communicate with the help of Layer3 router.y. What is needed to allow communication between the VLANs? A.Certification Guaranteed 83 . then make the subinterface on the router to connect to the switch.x. a router with an IP address on the physical interface connected to the switch C.Cisco 200-125 : Practice Test On a corporate network.1Q Virtual LAN RouterA(config-subif)#encapsulation dot1Q or isl VLAN ID RouterA(config-subif)# ip address x.y. Here is the example of configuring the router for inter-vlan communication RouterA(config)#int f0/0. the switches tag each frame sent between switches so that the receiving switch knows to what VLAN the frame belongs. establishing Trunking links to achieve communications of devices which belong to different VLANs.y Question No : 90 . The attached devices are unaware of any VLAN structure. End user devices connect to switch ports that provide simple connectivity to a single VLAN each.

B.0. Also the router will chose the highest loopback interface as its OSPF router ID (if available).1201520x800002400x0046CB1 We can see OSPF Router ID will be used as source of Type 1 LSA.0. who are the other routers in our area? Router Link States (Area 1) Link IDADV RouterAgeSeq#ChecksumLink count 10.0.12010.11110.120) (Process ID 1) Next. D.0.11210.(Topic 3) Refer to the exhibit. E.D Explanation: r120#show ip ospf data OSPF Router with ID (10.11212460x80000234 0x009CAC1 10. What can be determined about the router from the console output? A Composite Solution With Just One Click .0. The router automatically chooses the IP address of a loopback as the OSPF Router ID.Cisco 200-125 : Practice Test A.0.0.0.0.1116000x8000023A 0x0092B31 10.0.1131480x8000022C0x0043993 10.0.0.11310. It is created using the MAC Address of the loopback interface.0. Answer: A.0. It should be the same on all routers in an OSPF routing instance. Question No : 91 . C.Certification Guaranteed 84 .0. the lowest IP address on the router becomes the OSPF Router ID.0.0. It identifies the source of a Type 1 LSA.0. By default.

E Explanation: The OSPF protocol is based on link-state technology. It allows extensive control of routing updates. C. D. No configuration file was found in NVRAM. E. B. Flooding and calculation of the Dijkstra algorithm on a router is limited to changes within an area. which is a departure from the Bellman-Ford vector based algorithms used in traditional Internet routing protocols such as RIP. and so forth. OSPF uses flooding to exchange link-state updates between routers.Cisco 200-125 : Practice Test A.) A. OSPF has introduced new concepts such as authentication of routing updates. It confines network instability to one area of the network. It is used to route between autonomous systems. D. It supports VLSM. route summarization. No configuration file was found in flash. C. Question No : 93 . Answer: A Explanation: When no startup configuration file is found in NVRAM. Answer: A. Areas are introduced to put a boundary on the explosion of link-state updates. It is simpler to configure than RIP v2. It increases routing overhead on the network. No configuration file was found in the PCMCIA card. B. the System Configuration Dialog will appear to ask if we want to enter the initial configuration dialog or not. F. Variable Length Subnet Masks (VLSM). Configuration file is normal and will load in 15 seconds. Question No : 92 .C.Certification Guaranteed 85 .(Topic 3) Which statements describe the routing protocol OSPF? (Choose three. Any change in routing information is flooded to all routers in the network.(Topic 3) A Composite Solution With Just One Click .

4 [90/20514560] via 10.2.4.2.2.0.0.0 [90/20514560] via 10.4.4.0/24 and 10.0 [90/20514560] via 10.0.0.2. 6w0d.0/24. Serial0/1 B.0. Which partial routing table entry in the Central router represents a route summary that represents the LANs in Phoenix but no additional subnets? A.0/22 is subnetted. 1 subnets D 10. 10.0/30 is subnetted.2.0. 10.0.4. A Composite Solution With Just One Click .0/22 is subnetted. Serial0/1 F. 1 subnets D 10.Certification Guaranteed 86 . Serial0/1 D.0/28 is subnetted.0. 10.0.2. Serial0/1 Answer: D Explanation: The 10.2.0. Serial0/1 C.4. Serial0/1 E.1.2.0/30 is subnetted.0 [90/20514560] via 10. The administrator would like to reduce the size of the routing table on the Central router.0. 10.2.0.4. 6w0d. 6w0d.0. 1 subnets D 10. 6w0d.0.0.4. 6w0d.2.0.0/24.0.0 [90/20514560] via 10.2.0.0.0. 10.0/24 networks only.4. 10.0.0. 6w0d. The Lakeside Company has the internetwork in the exhibit.0/28 is subnetted.0.2.0 [90/20514560] via 10.4.2.3.0.2. 1 subnets D 10.2. 10. 10.2.Cisco 200-125 : Practice Test Refer to the exhibit.4.0/22 route includes 10. 1 subnets D 10. 1 subnets D 10.

What is the cause of the problem? A. The configuration register is set to 0x2102.Cisco 200-125 : Practice Test Question No : 94 . The configuration register is set to 0x2100. Note: We can tell the router to ignore the start-up configuration on the next reload by setting the register to 0×2142. So everything configured was deleted. When the router starts.(Topic 3) Refer to the exhibit. The router is configured with the boot system startup command. A network administrator configures a new router and enters the copy startup-config running-config command on the router.Certification Guaranteed 87 . it enters the system configuration dialog as shown. D. E. The network administrator has made a mistake because the command “copy startup-config running-config” will copy the startup config (which is empty) over the running config (which is configured by the administrator). This will make the “System Configuration Dialog” appear at the next reload. C. A Composite Solution With Just One Click . Answer: A Explanation: The “System Configuration Dialog” appears only when no startup configuration file is found. The network administrator failed to save the configuration. The network administrator powers down the router and sets it up at a remote location. The boot system flash command is missing from the configuration. B.

html Question No : 96 .cisco. exstart state > exchange state > loading state > full state C.Certification Guaranteed 88 . in what order does it pass through each state? A.com/c/en/us/support/docs/ip/open-shortest-path-firstospf/13685-13. 2-Way.(Topic 3) Refer to the exhibit. Init.1. exstart state > loading state > exchange state > full state B. Loading. Reference: http://www. and Full.(Topic 3) When a router undergoes the exchange protocol within OSPF. Those states are defined in the OSPF RFC 2328. Attempt.Cisco 200-125 : Practice Test Question No : 95 . section 10. loading state > exchange state > full state > exstart state Answer: B Explanation: When OSPF adjacency is formed. Exstart. A Composite Solution With Just One Click . Exchange. The states are (in order) Down. a router goes through several state changes before it becomes fully adjacent with its neighbor. exstart state > full state > loading state > exchange state D.

C. B.(Topic 3) A Composite Solution With Just One Click .0/16 to CentralRouter. Answer: C. a dynamic routing protocol on CentralRouter to advertise all routes to InternetRouter.Cisco 200-125 : Practice Test The network administrator requires easy configuration options and minimal routing protocol traffic. a dynamic routing protocol on InternetRouter to advertise summarized routes to CentralRouter. a static route on InternetRouter to direct traffic that is destined for 172. D.Certification Guaranteed 89 . a dynamic routing protocol on InternetRouter to advertise all routes to CentralRouter.0. Question No : 97 . F. a dynamic routing protocol on CentralRouter to advertise summarized routes to InternetRouter.F Explanation: The use of static routes will provide the necessary information for connectivity while producing no routing traffic overhead. default route on CentralRouter that directs traffic to InternetRouter.) A. a static.16. E. What two options provide adequate routing table information for traffic that passes between the two routers and satisfy the requests of the network administrator? (Choose two.

0 /24 to area 0? A. IP routing is not enabled.2 to reach server located on 172.0.255.0 network cannot reach the server located on the 172.5.31. The network has not fully converged.0 255. The routing table on Coffee has not updated. Answer: C Explanation: The default route or the static route was configured with incorrect next-hop ip address 172. D. F.1.2. Based on the output of the show ip route command and the topology shown in the graphic.1.22.31. A static route is configured incorrectly.22. issued the show ip route command.0 0.19. The network administrator connected to router Coffee via the console port.17.0 network. C.18.Cisco 200-125 : Practice Test Users on the 172.2 Question No : 98 . IP route 0.22. The FastEthernet interface on Coffee is disabled.22. The neighbor relationship table is not correctly updated. router ospf area 0 network 10.0.18.1.0.0 area 0 A Composite Solution With Just One Click .5.0 172. and was able to ping the server.1.0 network.(Topic 3) What command sequence will configure a router to run OSPF and add network 10. B.0. what is the cause of the failure? A. The correct IP address will be 172.Certification Guaranteed 90 .255. E.

0. network ip-address wildcard-mask area area-id 5.0.1.0.255 Answer: C Explanation: ✑ Enabling OSPF SUMMARY STEPS 1. configure terminal 3. router ospf network 10.1.255 area 0 D. router ospf 1 network 10.Certification Guaranteed 91 .255 C.1.0.0 255. router ospf 1 network 10.0 area 0 F. Step 2 Configure terminal Example: Device# configure terminal Enters global configuration mode.0 0. enable 2.1.1.255. Step 3 router ospf process-id Example: Device(config)# router ospf 109 Enables OSPF routing and enters router configuration mode. router ospf network 10.0. router ospf process-id 4.Cisco 200-125 : Practice Test B.0 0.0. A Composite Solution With Just One Click . router ospf area 0 network 10. ✑ Enter your password if prompted. end DETAILED STEPS Command or Action Purpose Step 1 Enable Example: Device> enable Enables privileged EXEC mode.255.0 0.1.1.255 area 0 E.0 0.1.0.1.1.0.

(Topic 3) Which command displays CPU utilization? A.168. Reference: http://www.html#GUID-588D1301-F63C-4DAC-BF1C-C3735EB13673 Question No : 99 .com/c/en/us/td/docs/ios-xml/ios/iproute_ospf/configuration/124t/iro-12-4t-book/iro-cfg. show system D. A Composite Solution With Just One Click .Certification Guaranteed 92 .cisco.129. Below shows the output of this command (some next pages are omitted). Step 5 End Example: Device(config-router)# end Exits router configuration mode and returns to privileged EXEC mode.0. the full command is “show processes”) command gives us lots of information about each process but in fact it is not easy to read.16 0. show process C.0. show version Answer: B Explanation: The “show process” (in fact.3 area 0 Defines an interface on which OSPF runs and defines the area ID for that interface. show protocols B.Cisco 200-125 : Practice Test Step 4 Network ip-address wildcard-mask area area-id Example: Device(config-router)# network 192.

Certification Guaranteed 93 . in which the total CPU usage on the router over a period of time: one minute. and 72 hours are clearly shown: A Composite Solution With Just One Click . one hour.Cisco 200-125 : Practice Test A more friendly way to check the CPU utilization is the command “show processes cpu history”.

Question No : 100 .Certification Guaranteed 94 . enable cdp A Composite Solution With Just One Click . + The X-axis of the graph is the increment within the period displayed in the graph. from the last graph (last 72 hours) we learn that the highest CPU utilization within 72 hours is 37% about six hours ago.Cisco 200-125 : Practice Test + The Y-axis of the graph is the CPU utilization. For example.(Topic 3) Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices? A.

use the cdp run command in global configuration mode. Answer: B. It requires the use of ARP. C. B. D. cdp run D. cdp enable C. It supports up to 2 instances of OSPFv3 over a common link.D Question No : 102 . disable it with the no cdp run command.(Topic 3) What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two. 100 C. not global. It can support multiple IPv6 subnets on a single link.Certification Guaranteed 95 . The “cdp enable” command is an interface command. 110 D. 90 B. run cdp Answer: C Explanation: CDP is enabled on Cisco routers by default. It routes over links rather than over networks. Question No : 101 . In order to reenable CDP. 120 Answer: C Explanation: Administrative distance is the feature that routers use in order to select the best path when A Composite Solution With Just One Click .(Topic 3) What is the default administrative distance of OSPF? A.) A. If you prefer not to use the CDP capability.Cisco 200-125 : Practice Test B.

Administrative distance defines the reliability of a routing protocol. Each routing protocol is prioritized in order of most to least reliable (believable) with the help of an administrative distance value.Cisco 200-125 : Practice Test there are two or more different routes to the same destination from two different routing protocols. Default Distance Value Table This table lists the administrative distance default values of the protocols that Cisco supports: Route Source Default Distance Values Connected interface 0 Static route 1 Enhanced Interior Gateway Routing Protocol (EIGRP) summary route 5 External Border Gateway Protocol (BGP) 20 Internal EIGRP 90 IGRP 100 OSPF 110 Intermediate System-to-Intermediate System (IS-IS) 115 Routing Information Protocol (RIP) 120 Exterior Gateway Protocol (EGP) 140 On Demand Routing (ODR) 160 External EIGRP 170 Internal BGP 200 Unknown* 255 A Composite Solution With Just One Click .Certification Guaranteed 96 .

The subnet mask is /28. The binary version of 16 is 10000.25. 192. 192.168.240 D.255.Certification Guaranteed 97 .255.255. 192.255. 192.25.240.28 255.25. EIGRP learned 4 routes and we need to find out the summary of them: + 192. The binary version of 28 is 11100.168.240 F.255.25.255.168.25. The mask is 255. Note: From the output above.0 255. The binary version of 24 is 11000.16 + 192.255.(Topic 3) Refer to the exhibit.252 E.252 Answer: C Explanation: The binary version of 20 is 10100.25.255.20 A Composite Solution With Just One Click .0 255.28 255.255.168.240 B.255.168. 192.255.255.16 255.25.252 C.168. 192. Which address and mask combination represents a summary of the routes learned by EIGRP? A.255.168.25.Cisco 200-125 : Practice Test Question No : 103 .255.168.16 255.

1111 1111.25. The maximum segment size that can traverse this interface is 1500 bytes.28 -> The increment should bE. E. The maximum number of bytes that can traverse this interface per second is 1500.168.255.24 + 192. Answer: E Explanation: The Maximum Transmission Unit (MTU) defines the maximum Layer 3 packet (in bytes) that can be transmitted out the interface.25.240.11110000) = 255. Question No : 104 .1111 1111. The maximum packet size that can traverse this interface is 1500 bytes. A Composite Solution With Just One Click .240. the best answer should be 192.255. Therefore the subnet mask is /28 (=1111 1111.25. The minimum packet size that can traverse this interface is 1500 bytes.(Topic 3) Refer to the exhibit.168. C. So. B.Cisco 200-125 : Practice Test + 192. F. What is the meaning of the output MTU 1500 bytes? A. The maximum frame size that can traverse this interface is 1500 bytes. The minimum segment size that can traverse this interface is 1500 bytes. D. 28 – 16 = 12 but 12 is not an exponentiation of 2 so we must choose 16 (24).255.16 255.255.168.Certification Guaranteed 98 .

0. ip route 0.10.Cisco 200-125 : Practice Test Question No : 105 . So. an OSPF update for network 192.0. from all the /24 routes it will choose the one with the lowest administrative distance.1 Answer: C.(Topic 3) A router receives information about network 192. Directly connected routes have an AD of 1 so this will be the route chosen.0.0.) A. ip default-route 0. What will the router consider the most reliable information about the path to that network? A. Next.168.Certification Guaranteed 99 .16.0. ip default-network 0.168.0.2.0 0.1 0.0.0. ip route 172.2.0.1 F.254/24 B.168.16.10.0. A Composite Solution With Just One Click .0. a static route to network 192.0/24 C.0. a default route with a next hop address of 192. it will choose the route that has the longest match.0/16 E.0 172.10.0 0.0 (next hop)” commands can be used to set the default gateway in a Cisco router.(Topic 3) If IP routing is enabled.1 E.0.0.0 0. it will choose the best one based on a couple of things.168. ip default-gateway 0. in this case the /24 routes will be chosen over the /16 routes.0.E Explanation: Both the “ip default-network” and “ip route 0.0/24 with a local serial interface configured as the next hop Answer: A Explanation: When there is more than one way to reach a destination.10.0/24 from multiple sources.168. meaning the most specific route.0 D.2.0 B. a directly connected interface with an address of 192. a RIP update for network 192.0.0.16.10. Question No : 106 .0 C.0. First.0.0. a static route to network 192.0 172.168.0 0. which two commands set the gateway of last resort to the default gateway? (Choose two.10.0.168.0/24 D.

Cisco 200-125 : Practice Test Question No : 107 . Given the partial configurations. These are from different network.10. identify the fault on the Brevard router that is causing the lack of connectivity. incompatible IP address B.168.11. link reliability too low F. A Composite Solution With Just One Click .1 And Interface Serial 1 of Router Brevard has 192.168. The Atlanta router is known to have the correct configuration.Certification Guaranteed 100 .2. incompatible encapsulation E. A. incorrect subnet mask D. but they are unable to communicate. IPCP closed Answer: D Explanation: Because Interface Serial 0 of Atlanta Router has 192.(Topic 3) Two routers named Atlanta and Brevard are connected via their serial interfaces as illustrated. insufficient bandwidth C.

show processes F.D Explanation: When upgrading a new version of the IOS we need to copy the IOS to the Flash so first we have to check if the Flash has enough memory or not. show running-config Answer: B. We can check both with the “show version” command. the amount of available flash and RAM memory C. Bandwidth B.(Topic 3) Which parameter or parameters are used to calculate OSPF cost in Cisco routers? A.Cisco 200-125 : Practice Test Question No : 108 . and MTU D. Delay. show version E. Bandwidth. Bandwidth and Delay C.) A. what should be checked on the router. Delay. and which command should be used to gather this information? (Choose two. MTU. and Load Answer: A Explanation: The well-known formula to calculate OSPF cost is Cost = 108 / Bandwidth Question No : 109 . the amount of available ROM B. Also running the new IOS may require more RAM than the older one so we should check the available RAM too. A Composite Solution With Just One Click .(Topic 3) Before installing a new. the version of the bootstrap software present on the router D. Bandwidth. upgraded version of the IOS. Reliability.Certification Guaranteed 101 .

a command that can be entered in any configuration mode Answer: A Explanation: When you enter global configuration mode and enter a command. hop count B. Question No : 111 .(Topic 3) Which parameter would you tune to affect the selection of a static route as a backup. If you want to have the dynamic routing protocol used and have the static route be used only as a backup. link delay E. it is applied to the running configuration file that is currently running in ram. a command that is set once and affects the entire router B. administrative distance C. A Composite Solution With Just One Click . a command that is implemented in all foreign and domestic IOS versions C. link bandwidth D. An example of a global command is one used for the hostname of the router. The configuration of a global command affects the entire router. a command that is available in every release of IOS. when a dynamic protocol is also being used? A. regardless of the version or deployment status E. link cost Answer: B Explanation: By default the administrative distance of a static route is 1.Cisco 200-125 : Practice Test Question No : 110 . meaning it will be preferred over all dynamic routing protocols. a command that is universal in application and supports all protocols D.Certification Guaranteed 102 .(Topic 3) What is a global command? A. you need to increase the AD of the static route so that it is higher than the dynamic routing protocol.

F.) A. All of the routers need to be configured for backbone Area 1. so OSPF will not establish neighbor adjacency with R3.Cisco 200-125 : Practice Test Question No : 112 . EIGRP is also configured on these routers with a lower administrative distance. What are possible reasons for this problem? (Choose two. Answer: D. 2. Hello and failure time interval timer. B. OSPF Password (Optional).F Explanation: This question is to examine the conditions for OSPF to create neighborhood.Certification Guaranteed 103 . each router must be matched with the following items: 1. C. The area ID and its types. 3. E. A Composite Solution With Just One Click . The hello and dead interval timers are not set to the same values on R1 and R3. R1 and R3 are configured in different areas. So as to make the two routers become neighbors.(Topic 3) Refer to the graphic. R1 is unable to establish an OSPF neighbor relationship with R3. R1 and R2 are the DR and BDR. A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established. D.

Certification Guaranteed 104 . a primary route. stored in the routing table B. a primary route. stored in the topology table D. stored in the topology table Answer: C Explanation: A Composite Solution With Just One Click . (Not all options are used. stored in the routing table C.(Topic 3) Which type of EIGRP route entry describes a feasible successor? A. a backup route. a backup route.(Topic 3) Drag the Cisco default administrative distance to the appropriate routing protocol or route.) Answer: Question No : 114 .Cisco 200-125 : Practice Test Question No : 113 DRAG DROP .

0 255.0. The network wildcard mask is configured improperly.0. the correct syntax would have been “network 10. F. The OSPF area is configured improperly.0.(Topic 3) A network administrator is trying to add a new router into an established OSPF network.0 area 0 A.” Question No : 116 . The AS is configured improperly. The Topology Table list all the learned routers to destination whilst the Routing Table contains the best route to a destination. The Feasible Successor is a backup route to a destination which is kept in the Topology Table. The process id is configured improperly. E.Cisco 200-125 : Practice Test EIGRP uses the Neighbor Table to list adjacent routers. which is known as the Successor.0. the mask used for the network statement is a wildcard mask similar to an access list.0.Certification Guaranteed 105 . The network number is configured improperly. D.0 0. The network subnet mask is configured improperly.0. In this specific example.0. C.255 area 0.(Topic 3) Which command encrypts all plaintext passwords? A Composite Solution With Just One Click . what configuration error is causing this problem? Router(config)# router ospf 1 Router(config-router)# network 10.0. B. Question No : 115 . Answer: C Explanation: When configuring OSPF. Given the information in the partial configuration shown below. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.

168. Router# service password-encryption B. that is all.1 B.Certification Guaranteed 106 .2 A Composite Solution With Just One Click .1.1. 1. Router(config)# password-encryption C. Router(config)# service password-encryption D. 172. what value will OSPF use as its router ID? A. 192.1 D.1.2. It is meant to prevent someone from looking over your shoulder and seeing the password. This command uses a very weak encryption because the router has to be very quickly decode the passwords for its operation. Router# password-encryption Answer: C Explanation: Command The “service password-encryption” command allows you to encrypt all passwords on your router so they cannot be easily guessed from your running-config.(Topic 3) Refer to the exhibit. If the router Cisco returns the given output and has not had its router ID set manually.16. 2.1 C.2.Cisco 200-125 : Practice Test A. This is configured in global configuration mode.1. Question No : 117 .

1. Question No : 118 .1.2 B.1.1.2 C. where will the router send a packet destined for 10. 10.1.1. According to the routing table.(Topic 3) Refer to the exhibit.64/27 A Composite Solution With Just One Click . 10.4 Answer: C Explanation: The destination IP address 10. If more than one loopback interfaces are configured.3 D. 10.Cisco 200-125 : Practice Test Answer: D Explanation: If a router-id is not configured manually in the OSPF routing process the router will automatically configure a router-id determined from the highest IP address of a logical interface (loopback interface) or the highest IP address of an active interface.5.65 belongs to 10.1.64/28.5.2.5.4.5. 10. 10.1.5.64/29 & 10.3.1.Certification Guaranteed 107 .65? A. the router will compare the IP addresses of each of the interfaces and choose the highest IP address from the loopbacks.1.

C. Security increases because only the network administrator may change the routing table. a management domain for each subinterface D.(Topic 3) Which three elements must be used when you configure a router interface for VLAN trunking? (Choose three. one IP network or subnetwork for each subinterface C. Configuration complexity decreases as network size increases. Routing tables adapt automatically to topology changes.(Topic 3) Which two are advantages of static routing when compared to dynamic routing? (Choose two. B.) A.com/RouterOnAStickCCNACertificationExamTutorial.E Explanation: This scenario is commonly called a router on a stick.) A. E. Question No : 119 . well written article on this operation can be found here: http://www. A Composite Solution With Just One Click . using automatic updates.htm Question No : 120 .1. A short. D.D. subinterface encapsulation identifiers that match VLAN tags E. Route summarization is computed automatically by the router. Therefore the next-hop should be 10. subinterface numbering that matches VLAN tags Answer: B. one physical interface for each subinterface B. one subinterface per VLAN F.thebryantadvantage.Certification Guaranteed 108 .3.3 ->. An efficient algorithm is used to build routing tables.Cisco 200-125 : Practice Test subnets but the “longest prefix match” algorithm will choose the most specific subnet mask -> the prefix “/29 will be chosen to route the packet.

The Manchester serial address is 10.G Explanation: Since static routing is a manual process.1.Certification Guaranteed 109 . instead of many routes that all have the same next hop IP address.255.1. Routing traffic load is reduced when used in stub network links. Answer: B. what three statements are true of these devices? (Choose three. The serial network between the two devices has a mask of 255. Routing updates are automatically sent to neighbors.1.Cisco 200-125 : Practice Test F.1. it can be argued that it is more secure (and more prone to human errors) since the network administrator will need to make changes to the routing table directly.252. Also. in stub networks where there is only a single uplink connection.1.2. Given the output that is shown.) A. The Manchester serial address is 10. the load is reduced as stub routers just need a single static default route.255. The two exhibited devices are the only Cisco devices on the network. B. A Composite Solution With Just One Click .(Topic 3) Refer to the exhibit. Question No : 121 . G.

2 and the question stated that the subnet mask of the network between two routers is 255. So we can deduce the ip address (of the serial interface) of Manchester router is 10. The loopback addresses are on different subnets.Cisco 200-125 : Practice Test C.255.(Topic 3) Refer to the exhibit. and “Port ID (outgoing port)” refers to the port on the neighbor router. E. D.Certification Guaranteed 110 . When running OSPF.1.E Explanation: From the output.1 ->. in this case it is the port of Manchester router. Question No : 122 . Answer: A. Please notice that “Interface” refers to the local port on the local router.1. A Composite Solution With Just One Click . The London router is a Cisco 2610. Maybe the most difficult choice of this question is the answer E or F. The CDP information was sent by port Serial0/0 of the London router. The platform of the neighbor router is cisco 2610. F. The Manchester router is a Cisco 2610.1. B. as shown in the output ->.252.1.255. Therefore there are only 2 available hosts in this network (22 – 2 = 2).C. The values of the dead timers on the routers are different. The CDP information was received on port Serial0/0 of the Manchester router. what would cause router A not to form an adjacency with router B? A. we learn that the IP address of the neighbor router is 10.

(Topic 3) Refer to the exhibit.(Topic 3) What two things will a router do when running a distance vector routing protocol? (Choose two. router A & B must have the same Hello interval. Use the shortest-path algorithm to the determine best path. A Composite Solution With Just One Click . routers discover the best path to destination from each neighbor. B. Dead interval and AREA numbers Question No : 123 . E. The routing updates proceed step by step from router to router. Route summarization is enabled on both routers. Update the routing table based on updates from their neighbors.Certification Guaranteed 111 . Answer: B Explanation: To form an adjacency (become neighbor). D. Maintain the topology of the entire network in its database.) A. Send entire routing table to all routers in the routing domain.D Explanation: Distance means how far and Vector means in which direction.Cisco 200-125 : Practice Test C. Answer: A. Send periodic updates regardless of topology changes. Question No : 124 . In distance vector routing protocols. C. D. The process identifier on router A is different than the process identifier on router B. Distance Vector routing protocols pass periodic copies of routing table to neighbor routers and accumulate distance vectors.

Certification Guaranteed 112 .255. What configuration on the Manchester router will establish a route toward the Internet for traffic that originates from workstations on the Manchester LAN? A.0. Syntax for default route is: ip route <Remote_Network> <Netmask> <Next_Hop_Address>.0.100.Cisco 200-125 : Practice Test The speed of all serial links is E1 and the speed of all Ethernet links is 100 Mb/s.1.2 B.16.0. ip route 0.0 172. According to exhibit.0.107.255. ip route 0.100. ip route 0. all traffic towards Internet that originates from workstations should forward to Router R1.100.0 172.1 D.255. ip route 0.0 255.0.255.0. You should generally only use default routing on stub networks—those with only one exit path out of the network.2 Answer: E Explanation: We use default routing to send packets with a remote destination network not in the routing table to the next-hop router.0.255.0.16.0.0.1.0.0 172.0 0. ip route 0.0.1 E.0 255.252 128.1 C.0 0.2 F. A Composite Solution With Just One Click .107.0.0.255.0 255.0.0.16.0 128.0 0. ip route 0.100.0.16.0. A static route will be established on the Manchester router to direct traffic toward the Internet over the most direct path available.255 172.

Certification Guaranteed 113 .Cisco 200-125 : Practice Test Question No : 125 .(Topic 3) The network administrator cannot connect to Switch1 over a Telnet session. Given the information in the graphic and assuming that the router and Switch2 are configured properly. Switch1(config)# line con0 Switch1(config-line)# password cisco A Composite Solution With Just One Click . although the hosts attached to Switch1 can ping the interface Fa0/0 of the router. which of the following commands should be issued on Switch1 to correct this problem? A.

255. the ip default-gateway command must be used. are good. Switch1(config)# interface fa0/1 Switch1(config-if)# ip address 192.Cisco 200-125 : Practice Test Switch1(config-line)#login B. 7 MB E.24. Switch1(config)# ip default-gateway 192. etc. Speed. Question No : 126 . However.168.0 C.255. Switch1(config)# interface fa0/1 Switch1(config-if)# switchport mode trunk Answer: C Explanation: Since we know hosts can reach the router through the switch. 3 MB B.(Topic 3) Refer to the exhibit.24. 8 MB A Composite Solution With Just One Click . Switch1(config)# interface fa0/1 Switch1(config-if)# duplex full Switch1(config-if)# speed 100 E.3 255. duplex. The technician wants to upload a new IOS in the router while keeping the existing IOS. for the switch itself to reach networks outside the local one. What is the maximum size of an IOS file that could be loaded if the original IOS is also kept in flash? A. 4 MB C. 5 MB D.1 D.Certification Guaranteed 114 . we know that connectivity.168.

but 3. Router# show ip eigrp interfaces D. Question No : 127 .Certification Guaranteed 115 . Router# show ip eigrp neighbors Answer: D Explanation: Below is an example of the show ip eigrp neighbors command. Router# show ip eigrp topology C.(Topic 3) A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. Router# show ip eigrp adjacency B.8 are being used already. so another file as large as 4MB can be loaded in addition to the original file.Cisco 200-125 : Practice Test Answer: B Explanation: In this example. The retransmit interval and the queue counts for the adjacent routers also need to be checked. The retransmit interval (Smooth Round Trip Timer – SRTT) and the queue counts (Q count. there are a total of 8 MB. which shows the number of queued EIGRP packets) for the adjacent routers are listed: Question No : 128 .(Topic 3) A Composite Solution With Just One Click . What command will display the required information? A.

OSPFv3 can be used for IPv6-only or both protocols ✑ OSPFv3 introduces new LSA types ✑ OSPFv3 has different packet format ✑ OSPFv3 uses different flooding scope bits (U/S2/S1) ✑ OSPFv3 adjacencies are formed over link-local IPv6 communications ✑ OSPFv3 runs per-link rather than per-subnet ✑ OSPFv3 supports multiple instances on a single link. Don't get this confused with area numbers. D. FF02::6 (all OSPF DRs) A Composite Solution With Just One Click . Answer: B. Question No : 129 . or each router can have a different number-it just doesn't matter. It is locally significant and is used to identify an instance of the OSPF database. It is globally significant and is used to identify OSPF stub areas. Answer: B Explanation: The Process ID for OSPF on a router is only locally significant and you can use the same number on each router.Cisco 200-125 : Practice Test Which statement describes the process ID that is used to run OSPF on a router? A. It is globally significant and is used to represent the AS number.2 billion. B. The numbers you can use are from 1 to 65. which can be from 0 to 4. C.) A. Interfaces can have multiple IPv6 addresses ✑ OSPFv3 uses multicast addresses FF02::5 (all OSPF routers). It can support multiple IPv6 subnets on a single link.Certification Guaranteed 116 .D Explanation: Here is a list of the differences between OSPFv2 and OSPFv3: ✑ They use different address families (OSPFv2 is for IPv4-only. It requires the use of ARP.(Topic 3) What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two. C. D. It supports up to 2 instances of OSPFv3 over a common link. B.535. It is locally significant and must be the same throughout an area. It routes over links rather than over networks.

html Question No : 130 . D. Answer: C Explanation: During the copy process. If the A Composite Solution With Just One Click .com/article/2225270/cisco-subnet/ospfv3-for-ipv4-andipv6. it must be the only IOS image in flash. the flash has enough space to copy a new IOS without deleting the current one. Note: In this case. B. In order for the router to use the new image as the default. Flash memory on Cisco routers can contain only a single IOS image. The router cannot verify that the Cisco IOS image currently in flash is valid. The current IOS is deleted just because the administrator wants to do so. still a 32-bit number Reference: http://www. Why is flash memory erased prior to upgrading the IOS image from the TFTP server? A.Certification Guaranteed 117 . the router asked “Erasing flash before copying? [confirm]” and the administrator confirmed (by pressing Enter) so the flash was deleted.(Topic 3) Refer to the exhibit.Cisco 200-125 : Practice Test ✑ OSPFv3 Neighbor Authentication done with IPsec (AH) ✑ OSPFv2 Router ID (RID) must be manually configured.networkworld. Erasing current flash content is requested during the copy dialog. C.

B. Only passwords configured after the command has been entered will be encrypted. D. Only the enable secret password will be encrypted.167/ c1600-k8sy-mz.load IOS from Flash. It will encrypt the secret password and remove the enable secret password from the configuration. C. It loads the first image file in flash memory. It attempts to boot from a TFTP server.Certification Guaranteed 118 . B.168.bin (Not enough space on device) Question No : 131 . Only the enable password will be encrypted.(Topic 3) What is the effect of using the service password-encryption command? A. It is now ready to find and load an IOS image. It inspects the configuration file in NVRAM for boot instructions. What function does the router perform next? A.(Topic 3) A Cisco router is booting and has just completed the POST process.Check configuration register to see what mode the router should boot up in (usually 0x2102 to read startupconfig in NVRAM / or 0x2142 to start in "setup-mode") .Cisco 200-125 : Practice Test flash does not have enough space you will see an error message like this: %Error copying tftp://192. Answer: A Explanation: Default (normal) Boot Sequence Power on Router .check the startup-config file in NVRAM for boot-system commands . E. A Composite Solution With Just One Click . C. Question No : 132 .l23-16a. It will encrypt all current and future passwords.Bootstrap starts IOS load .Router does POST . It checks the configuration register.2. D.

Question No : 133 .D Explanation: Multiple OSPF processes can be configured on a router using multiple process ID’s.(Topic 3) Which two statements describe the process identifier that is used in the command to configure OSPF on a router? (Choose two. Different process identifiers can be used to run multiple OSPF processes D. Answer: C. the security of device access is improved. Use the show run command to show most passwords in clear text. All OSPF routers in an area must have the same process ID. AUX passwords are configured on the Cisco device. If the service password-encryption is used. Only one process number can be used on the same router. all the passwords are encrypted.) Router(config)# router ospf 1 A. The valid process ID’s are shown below: Edge-B(config)#router ospf ? <1-65535> Process ID Question No : 134 . to decrease latency by increasing bandwidth B. console.(Topic 3) Why do large OSPF networks use a hierarchical design? (Choose three.Cisco 200-125 : Practice Test Answer: E Explanation: Enable vty.) A. As a result. C. to reduce routing overhead A Composite Solution With Just One Click . B.Certification Guaranteed 119 . E. The process number can be any number from 1 to 65. Hello packets are sent to each neighbor to determine the processor identifier.535.

255 fa0/0 120 .5. A static route to the 10.6. to lower costs by replacing routers with distribution layer switches Answer: B. Which commands will accomplish this? (Choose two.5. HFD(config)# ip route 10.(Topic 3) Refer to the graphic.C. to confine network instability to single areas of the network E. Question No : 135 .) A Composite Solution With Just One Click .0. Attached to that backbone via area border routers (ABRs) are a number of secondary tier areas. The hierarchical approach is used to achieve the following: • Rapid convergence because of link and/or switch failures • Deterministic traffic recovery • Scalable and manageable routing hierarchy. to speed up convergence D.Certification Guaranteed A.6.D Explanation: OSPF implements a two-tier hierarchical routing model that uses a core or backbone tier known as area zero (0).Cisco 200-125 : Practice Test C. reduced routing overhead. to reduce the complexity of router configuration F.0 0.0/24 network is to be configured on the HFD router.0.

255.255.0. HFD(config)# ip route 10.0 255.4. HFD(config)# ip route 10.6.6 255.0 F.0.0 255.4.Certification Guaranteed 121 .255.0 255.5. Which of these statements correctly describes the state of the switch once the boot A Composite Solution With Just One Click .255.6.6.6.5.4.6.0.5.6 0.0 Answer: C.255.5.5.255 10.6.D Explanation: The simple syntax of static route: ip route destination-network-address subnet-mask {next-hop-IP-address | exit-interface} + destination-network-address: destination network address of the remote network + subnet mask: subnet mask of the destination network + next-hop-IP-address: the IP address of the receiving interface on the next-hop router + exit-interface: the local interface of this router where the packets will go out In the statement “ip route 10.5.0 10.6.5. HFD(config)# ip route 10.255.(Topic 3) Refer to the exhibit.6 C.0 10.Cisco 200-125 : Practice Test B.5.0 0.5.255.0 255.4.0 fa0/0: + 10.0.255.0: the destination network +fa0/0: the exit-interface Question No : 136 . HFD(config)# ip route 10.0 fa0/0 D.6 E.5.255. HFD(config)# ip route 10.255.255 10.5.

Remote access management of this switch will not be possible without configuration change. More VLANs will need to be created for this switch. Since VLAN1 is the only interface shown in the output. What commands must be configured on the 2950 switch and the router to allow communication between host 1 and host 2? (Choose two. The switch will need a different IOS code in order to support VLANs and STP.) A Composite Solution With Just One Click .Certification Guaranteed 122 . changed state to administratively down”.(Topic 3) Refer to the exhibit. C. This shows that VLAN1 is shut down. B. D. Hence remote management of this switch is not possible unless VLAN1 is brought back up. it will be blocked by STP.Cisco 200-125 : Practice Test process has been completed? A. As FastEthernet0/12 will be the last to come up. you have to assume that no other VLAN interface has been configured with an IP Address. Answer: B Explanation: Notice the line. Question No : 137 . which says “Interface VLAN1.

20. the connection to the router need to be configured as a trunk using the switchport mode trunk command and it will need a default gateway for VLAN 1. routing tables received from other link-state routers A Composite Solution With Just One Click .168.2 Router(config-subif)# encapsulation dot1q 20 Router(config-subif)# ip address 192.255. Router(config)# router eigrp 100 Router(config-router)# network 192.0 Router(config-router)# network 192.1 255. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk F.255.168.1.10. Router(config)# interface fastethernet 0/0 Router(config-if)# ip address 192. SAP messages sent by other routers C.0 C.255.0 Router(config)# interface fastethernet 0/0.168.20. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ Switch1(config-vlan)# vtp server E.255.) A.(Topic 3) What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.1 Router(config-subif)# encapsulation dot1q 10 Router(config-subif)# ip address 192.255. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0. LSAs from other routers D.0 D. hello packets B. Question No : 138 .Certification Guaranteed 123 .168.255.1 255.10.0 Router(config-if)# no shut down B.1 Answer: B.168. where each subinterface is assigned a VLAN and IP address for each VLAN.1.Cisco 200-125 : Practice Test A. beacons received on point-to-point links E. Switch1(config)# interface vlan 1 Switch1(config-if)# ip default-gateway 192. On the switch.1 255.168.E Explanation: The router will need to use subinterfaces.

A Composite Solution With Just One Click . Router1 has specific boot system commands that instruct it to load IOS from a TFTP server. the advertisements are sent to every neighbor.) A.Certification Guaranteed 124 . a Hello protocol is used for this step. The protocol will define a Hello packet format and a procedure for exchanging the packets and processing the information the packets contain.(Topic 3) Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? (Choose two. Router1 cannot locate a valid IOS image in flash memory. Router1 is acting as a TFTP server for other routers.C Explanation: Neighbor discovery is the first step in getting a link state environment up and running. C. each received LSA is copied and forwarded to every neighbor except the one that sent the LSA. In turn.Cisco 200-125 : Practice Test F. Question No : 139 . In keeping with the friendly neighbor terminology. TTL packets from designated routers Answer: A. the routers may begin sending out LSAs. After the adjacencies are established. As the term flooding implies. B.

Check Configuration Register value (NVRAM) which can be modified using the configregister command 0 = ROM Monitor mode 1 = ROM IOS 2 . Startup-config filE. Question No : 140 . POST (power on self-test) 2.Certification Guaranteed 125 . TFTP. ROM)?] If no boot system commands in startup-config use the default fallback sequence in locating the IOS: a. exchanges routing tables with neighbors A Composite Solution With Just One Click .C Explanation: The loading sequence of CISCO IOS is as follows: Booting up the router and locating the Cisco IOS 1. Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.) A. the router will use the default fallback sequence for locating the IOS and then it will enter setup mode or the setup dialogue. Bootstrap code executed 3. Cisco routers will first attempt to load an image from TFTP for management purposes.15 = startup-config in NVRAM 4. If IOS is loaded. but there is no startup-config file. Run boot system commands in order they appear in startup-config to locate the IOS b. Check for boot system commands (NVRAM) If boot system commands in startup-config a. [If boot system commands fail. Flash (sequential) b. TFTP server (netboot) c. use default fallback sequence to locate the IOS (Flash. provides common view of entire topology B.Cisco 200-125 : Practice Test D. E.(Topic 3) Which characteristics are representatives of a link-state routing protocol? (Choose three. Answer: A. ROM (partial IOS) or keep retrying TFTP depending upon router model 5.

C. calculates shortest path D. Unlike Distance vector routing protocol (which utilizes frequent periodic updates). Question No : 141 . link-state routing protocol utilizes event-triggered updates (only sends update when a change occurs) ->. utilizes event-triggered updates E. Link-state routing protocols generate routing updates only (not the whole routing table) when a change occurs in the network topology so Link-state routing protocol like OSPF uses Dijkstra algorithm to calculate the shortest path >.D Explanation: Each of routers running link-state routing protocol learns paths to all the destinations in its “area” so we can say although it is a bit unclear. A Composite Solution With Just One Click .Certification Guaranteed 126 .(Topic 3) Refer to the exhibit.Cisco 200-125 : Practice Test C. utilizes frequent periodic updates Answer: A.

Certification Guaranteed 127 . D.9 &192. The router will forward packets from R3 to R2 to R1.(Topic 3) A Composite Solution With Just One Click . how will packets from a host within the 192. B.168.5) -> traffic to this network will be load-balancing.10.1? A.10.168.168.168.0/30 is learned via 2 equal-cost paths (192. Answer: C Explanation: From the routing table we learn that network 192.192/26 LAN be forwarded to 192.10. The router will forward packets from R3 to R2 to R1 AND from R3 to R1. Question No : 142 .Cisco 200-125 : Practice Test Based on the exhibited routing table. The router will forward packets from R3 to R1 to R2.168.10. C.10. The router will forward packets from R3 to R1.

EIGRP routers to establish. AS Number. The no auto-summary command is needed on Router A and Router C D. must match the following information: 1.Cisco 200-125 : Practice Test Refer to the exhibit. K value. The following information must be matched so as to create neighborhood. Question No : 143 . one for each connected network Answer: A Explanation: This question is to examine the understanding of the interaction between EIGRP routers.(Topic 3) Refer to the exhibit. what is required for RouterA to exchange routing updates with RouterC? A. 2. Router B needs to have two network statements. A Composite Solution With Just One Click . AS numbers must be changed to match on all the routers B.Certification Guaranteed 128 . When running EIGRP. Loopback interfaces must be configured so a DR is elected C.

0 0.Certification Guaranteed 129 .0. All the interfaces have been properly configured and IP routing is operational. Answer: D Explanation: Since all the same router (C-router) is the default gateway for all three VLANs.0. These commands need to be added to the configuration: C-router(config)# router rip C-router(config-router)# network 172.0.0 B. The C-router will have knowledge of all three networks since they will appear as directly connected in the routing table.Cisco 200-125 : Practice Test C-router is to be used as a "router-on-a-stick" to route between the VLANs. all traffic destined to a different VLA will be sent to the C-router. These commands need to be added to the configuration: C-router(config)# router ospf 1 C-router(config-router)# network 172.(Topic 3) A Composite Solution With Just One Click .255 area 0 C.3. Question No : 144 .0 D. The hosts in the VLANs have been configured with the appropriate default gateway.19.19. These commands need to be added to the configuration: C-router(config)# router eigrp 123 C-router(config-router)# network 172. What is true about this configuration? A.19.0. no routing protocols need to be configured. Since the C-router already knows how to get to all three networks. No further routing configuration is required.

255.Cisco 200-125 : Practice Test Which commands are required to properly configure a router to run OSPF and to add network 192. we need a wildcard in the “network” statement.0.0 0.16. Answer: A Composite Solution With Just One Click . not a subnet mask. Question No : 145 DRAG DROP . Router(config)# router ospf area 0 D.0/24 to OSPF area 0? (Choose two. the ranges from 1 to 65535 so o is an invalid number -> but To configure OSPF. Router(config-router)# network 192.E Explanation: In the router ospf command.16.16.0.255 area 0 F.0 area 0 Answer: B.168. Router(config)# router ospf 0 B. Router(config-router)# network 192. Router(config)# router ospf 1 C.0.0 255.255 0 E.Certification Guaranteed 130 .16.168.) A. Router(config-router)# network 192.168.0 0.(Topic 3) Drag each definition on the left to the matching term on the right.255. We also need to assgin an area to this process ->.0.168.

The wrong type of cable is connected to the interface. F. D. The interface needs to be configured as a DTE device. The interface is not receiving any keepalives. E. The interface has been configured with the shutdown command. There is no encapsulation type configured. it will display administratively down status.Cisco 200-125 : Practice Test Question No : 146 . B. What is the reason that the interface status is "administratively down.Certification Guaranteed 131 . Answer: D Explanation: Interfaces can be enabled or disabled with shutdown/no shutdown command. A Composite Solution With Just One Click . line protocol down"? A.(Topic 3) Refer to the exhibit. If you interface is down. There is a mismatch in encapsulation types. C. You can bring up an interface having administratively down interface using no shutdown command.

2 B.(Topic 3) Which command would you use on a Cisco router to verify the Layer 3 path to a host? A.154.(Topic 3) Refer to the exhibit. if the router ID has not been manually set.1 C. traceroute address C.154. Question No : 148 .Cisco 200-125 : Practice Test Question No : 147 . 172. what router ID will OSPF use for this router? A.Certification Guaranteed 132 . Given the output for this command. 10.1.168.16. 192. 10. ssh address Answer: B Explanation: A Composite Solution With Just One Click .5.1.3 Answer: C Explanation: The highest IP address of all loopback interfaces will be chosen -> Loopback 0 will be chosen as the router ID. telnet address D.5.1 D. tracert address B.

Question No : 149 . enable password secret line vty 0 login password cisco C. on the other hand. service password-encryption line vty 1 login password cisco D.Cisco 200-125 : Practice Test In computing. For anyone viewing the configuration and issuing the show run command. A Composite Solution With Just One Click .(Topic 3) A network administrator needs to allow only one Telnet connection to a router.168. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path). the sum of the mean times in each hop indicates the total time spent to establish the connection.0.255 line vty 0 4 login password cisco access-class 1 B. Traceroute proceeds unless all (three) sent packets are lost more than twice.1. Which set of commands will accomplish this task? A. then the connection is lost and the route cannot be evaluated.Certification Guaranteed 133 . service password-encryption line vty 0 4 login password cisco Answer: C Explanation: Only one VTY connection is allowed which is exactly what's requested. traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. only computes the final round-trip times from the destination point. service password-encryption access-list 1 permit 192. the password for Telnet access should be encrypted.0.0 0. Incorrect answer: command. Ping.

One route is from EIGRP and has a composite metric of 20514560. the OSPF route B. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table? A. the EIGRP route C.(Topic 3) A router has learned three possible routes that could be used to reach a destination network.Cisco 200-125 : Practice Test line vty0 4 would enable all 5 vty connections. Question No : 150 . the OSPF and RIPv2 routes Answer: B Explanation: When one route is advertised by more than one routing protocol. the RIPv2 route D.Certification Guaranteed 134 . The Administrative Distances of popular routing protocols are listed below: A Composite Solution With Just One Click . the router will choose to use the routing protocol which has lowest Administrative Distance. Another route is from OSPF with a metric of 782. all three routes E.

C. E.1. Configure a static route on London to direct all traffic destined for 172. B.0.16. The network administrator must establish a route by which London workstations can forward traffic to the Manchester workstations. Configure a dynamic routing protocol on London to advertise all routes to Manchester. Configure a dynamic routing protocol on London to advertise summarized routes to Manchester. Configure a static default route on London with a next hop of 10.0/22 to 10.2.Cisco 200-125 : Practice Test Question No : 151 . Configure Manchester to advertise a static default route to London. Configure a dynamic routing protocol on Manchester to advertise a default route to the London router.1.1.(Topic 3) Refer to the exhibit.1. F. A Composite Solution With Just One Click . Answer: E Explanation: This static route will allow for communication to the Manchester workstations and it is better to use this more specific route than a default route as traffic destined to the Internet will then not go out the London Internet connection. D. What is the simplest way to accomplish this? A.1.Certification Guaranteed 135 .

Certification Guaranteed 136 . show version Answer: D Explanation: The “show version” command can be used to show the last method to powercycle (reset) a router. A Composite Solution With Just One Click .Cisco 200-125 : Practice Test Question No : 152 . show boot C. show reload B. show running-config D.(Topic 3) Which command reveals the last method used to powercycle a router? A.

(Topic 3) Refer to the exhibit.0. FastEthernet0 /0 B. Serial0/1. This network has: A Composite Solution With Just One Click .0.168.12.168.) A.64 0.C.64 0.63 area 0 After completing the configuration. the associate discovers that not all the interfaces are participating in OSPF. Serial0/0 D.D Explanation: The “network 192.64/26.0.12.63 equals to network 192. A network associate has configured OSPF with the command: City(config-router)# network 192.102 E. Serial0/1.12. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three.Certification Guaranteed 137 .0.103 F.Cisco 200-125 : Practice Test Question No : 153 .168. FastEthernet0 /1 C.104 Answer: B. Serial0/1.

168.133 812 0x80000001 0x004BA9 10.3 133.133 775 0x80000001 0x00C31F A Composite Solution With Just One Click .64 + Broadcast address: 192.2.2.133.4.111.111.4.1111 1111.12. Here is an example: Here is the lsa database on R2. show ip ospf lsa database C.4 776 0x80000004 0x005643 1 111.2.1 111.111.111.2.133.133.111.4.133.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 2.111.1111 1111.111.4.2 2.133.111 794 0x80000001 0x001E8B 10.111 755 0x80000001 0x007F16 10. show ip ospf link-state B.3 133.111 111.133 133.2.Certification Guaranteed 138 .133.111.1.168.2.4.4.4 10.4.2.133.111 755 0x80000005 0x0059CA 2 133.1. show ip ospf database Answer: D Explanation: The “show ip ospf database” command displays the link states.1 111. Question No : 154 .133 775 0x80000005 0x00B5B1 2 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 10.(Topic 3) Which command is used to display the collection of OSPF link states? A.133.2 793 0x80000003 0x004F85 2 10.2.4. show ip ospf neighbors D. R2#show ip ospf database OSPF Router with ID (2.1100 0000) + Network address: 192.127 Therefore all interfaces in the range of this network will join OSPF.Cisco 200-125 : Practice Test + Increment: 64 (/26= 1111 1111.12.

when configured. One interface has a problem. what is the operational status of the interfaces of R2 as indicated by the command output shown? A.(Topic 3) Refer to the exhibit. will include all interfaces into area 0? A Composite Solution With Just One Click . D. Serial0/0 is down because it has been disabled using the “shutdown” command. Answer: C Explanation: The output shown shows normal operational status of the router’s interfaces.Cisco 200-125 : Practice Test Question No : 155 . C.(Topic 3) What OSPF command. Question No : 156 . Two interfaces have problems.Certification Guaranteed 139 . The interfaces are functioning correctly. B. Assuming that the entire network topology is shown. The operational status of the interfaces cannot be determined from the output shown.

but if an IP address is enabled on any interface.0 255.0. network all-interfaces area 0 Answer: A Explanation: Example 3-1 displays OSPF with a process ID of 1 and places all interfaces configured with an IP address in area 0.0. network 0.255 area 0 B. D. B.0 255.0 area 0 D.0. C. Example 3-1 Configuring OSPF in a Single Area router ospf 1 network 0.255 area 0 dictates that you do not care (255.0.0.0.0 255.255. The link types are as follows: •LSA Type 1: Router LSA •LSA Type 2: Network LSA •LSA Type 3: Summary LSA A Composite Solution With Just One Click .0. It reduces the number of required OSPF neighbor adjacencies. It removes the need for virtual links. place it in area 0.255.255 area 0 Reference: http://www.255.) A.0.asp?p=26919&seqNum=3 Question No : 157 .255. Answer: B.0. It increases LSA response times. It is less CPU intensive for routers in the single area.com/articles/article. network 255.0.255. The network command network 0.255.255.(Topic 3) What are two benefits of using a single OSPF area network design? (Choose two.255.Cisco 200-125 : Practice Test A.255 0. E.0 0.255.Certification Guaranteed 140 . It reduces the types of LSAs that are generated.0 area 0 C.0.0.C Explanation: OSPF uses a LSDB (link state database) and fills this with LSAs (link state advertisement). network 0.255) what the IP address is.255.ciscopress.

In some cases. Question No : 158 . then many of these LSA types (Summary ASBR LSA. The transit area cannot be a stub area. You can also use virtual links to connect two parts of a partitioned backbone through a nonbackbone area. Virtual links are not ideal and should really only be used for temporary network solutions or migrations. if all locations are in a single OSPF area this is not needed.(Topic 3) Refer to the exhibit. A Composite Solution With Just One Click . external LSA. The area through which you configure the virtual link. known as a transit area. must have full routing information.Certification Guaranteed 141 . you can use a virtual link to connect to the backbone through a non-backbone area. However. etc) will not be used and will not be generated by any router. All areas in an Open Shortest Path First (OSPF) autonomous system must be physically connected to the backbone area (Area 0).Cisco 200-125 : Practice Test •LSA Type 4: Summary ASBR LSA •LSA Type 5: Autonomous system external LSA •LSA Type 6: Multicast OSPF LSA •LSA Type 7: Not-so-stubby area LSA •LSA Type 8: External attribute LSA for BGP If all routers are in the same area. where this is not possible.

9.192/26 network to a host on the LAN attached to router R1? A.168.10. Question No : 159 . The path of the packets will be both R3 to R2 to R1 AND R3 to R1. which is an IP address in 192. The path of the packets will be R3 to R1.10.Certification Guaranteed 142 . The path of the packets will be R3 to R2 to R1.Cisco 200-125 : Practice Test The company uses EIGRP as the routing protocol.168.10. D. B. From the output of the routing table of R3 we learn this network can be reach via 192.168.168. The path of the packets will be R3 to R1 to R2.(Topic 3) A Composite Solution With Just One Click .10.168.10.64/26 subnet.8/30 network (the network between R1 & R3) -> packets destined for 192. C. What path will packets take from a host on the 192.64 will be routed from R3 -> R1 -> LAN on R1. Answer: D Explanation: Host on the LAN attached to router R1 belongs to 192.

It configures SSH globally for all logins.com/warp/public/707/ssh. 8 A Composite Solution With Just One Click . Straight (non-SSH) Telnets are refused. Answer: D Explanation: Secure Shell (SSH) is a protocol which provides a secure remote access connection to network devices.cisco.Cisco 200-125 : Practice Test Refer to the exhibit. B. If you want to prevent non-SSH connections. add the “transport input ssh” command under the lines to limit the router to SSH connections only. It configures a Cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports.shtml Question No : 160 . D. E. It configures the virtual terminal lines with the password 030752180500. It tells the router or switch to try to establish an SSh connection first and if that fails to use Telnet.Certification Guaranteed 143 . Communication between the client and server is encrypted in both SSH version 1 and SSH version 2. Reference: www. C. What is the effect of the configuration that is shown? A. It allows seven failed login attempts before the VTY lines are temporarily shutdown.(Topic 3) What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router? A. 2 B.

use the maximum-paths command.1 Local(config)# ip route 10.0.255.0.0.1.0 192.2 Local(config)# ip route 10.0 192.0.0 255.0 255. The range is from 1 to 16 routes. Command Default 8 paths Question No : 161 DRAG DROP .3. A Composite Solution With Just One Click . 16 D.1. Syntax Description maximum Maximum number of parallel routes that OSPF can install in a routing table.Certification Guaranteed 144 .0.2.255.168.168.255.0.0.1.Cisco 200-125 : Practice Test C.0 192.(Topic 3) Routing has been configured on the local router with these commands: Local(config)# ip route 0.168.0 0. unlimited Answer: B Explanation: maximum-paths (OSPF) To control the maximum number of parallel routes that Open Shortest Path First (OSPF) can support.3 Drag each destination IP address on the left to its correct next hop address on the right.

Certification Guaranteed 145 .Cisco 200-125 : Practice Test Answer: Explanation: A Composite Solution With Just One Click .

Certification Guaranteed 146 . RAM B. HTTP server E. the route with the most bits in the mask set to “1 will be chosen to route packet. Question No : 162 .Cisco 200-125 : Practice Test If we have many entries matching for next hop ip address then the router will choose the one with most specific path to send the packet. flash memory D. TFTP server A Composite Solution With Just One Click .(Topic 3) Which two locations can be configured as a source for the IOS image in the boot system command? (Choose two. This is called the “longest match” rule.) A. NVRAM C.

compression of PPP header fields. the authentication protocol. LCP E. and multilink options.(Topic 4) What are three reasons that an organization with multiple branch offices and roaming users A Composite Solution With Just One Click . Common LCP options include the PPP MRU. Question No : 164 . + ROM (used if no other source is found) 4.Certification Guaranteed 147 . ISDN C. WAN Technologies Question No : 163 . LPC negotiates link and PPP parameters to dynamically configure the data link layer of a PPP connection.Cisco 200-125 : Practice Test F. callback. + Flash (the default location) 2. (Please read the explanation of Question 4 for more information) Topic 4. SLIP D. DLCI Answer: D Explanation: The PPP Link Control Protocol (LCP) is documented in RFC 1661. Telnet server Answer: C. + TFTP server 3.E Explanation: The following locations can be configured as a source for the IOS image: 1. NCP B.(Topic 4) Which PPP subprotocol negotiates authentication options? A.

PPP B.Cisco 200-125 : Practice Test might implement a Cisco VPN solution instead of point-to-point WAN links? (Choose three. DSL is also considered a WAN connection. Question No : 165 . as it can be used to connect networks. L2TPv3 E. reduced latency Answer: A. It is a data link layer protocol used for WAN connections.D. reduced cost B.E Explanation: IPsec offer a number of advantages over point to point WAN links. better throughput C. Ethernet Answer: A. These include reduced cost.) A. increased security since all traffic is encrypted. broadband incompatibility D.Certification Guaranteed 148 .(Topic 4) Which two options are valid WAN connectivity methods? (Choose two. particularly when multiple locations are involved. PPP was originally emerged as an encapsulation protocol for transporting IP traffic between two peers. typically when used with VPN technology. DSL D. WAP C.C Explanation: The Point-to-Point Protocol (PPP) provides a standard method for transporting multiprotocol datagrams over point-to-point links.) A. scalability F. and increased scalability as s single WAN link can be used to connect to all locations in a VPN. A Composite Solution With Just One Click . where as a point to point link would need to be provisioned to each location. increased security E.

the router knows the Layer 2 address which is the DLCI.1 from a DHCP server. Answer: E Explanation: Inverse Address Resolution Protocol (Inverse ARP) was developed to provide a mechanism for dynamic DLCI to Layer 3 address maps.(Topic 4) Refer to the exhibit.16. the device knows the Layer 3 IP address and needs to know the remote data link MAC address. Inverse ARP requests a next-hop protocol address for each active PVC. However.Cisco 200-125 : Practice Test Question No : 166 . E.3.16. Dynamic address mapping is enabled by default for all protocols enabled on a physical interface.3. no static address mapping is required. The DLCI 100 was dynamically allocated by the router. it updates its DLCI-to-Layer 3 address mapping table.Certification Guaranteed 149 . Inverse ARP works much the same way Address Resolution Protocol (ARP) works on a LAN. The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud. The Serial0/0 interface is passing traffic. With Inverse ARP. The Serial0/0 interface acquired the IP address of 172. D. Once the requesting router receives an Inverse ARP response. When using dynamic address mapping. with ARP. If the Frame Relay environment supports LMI autosensing and Inverse ARP. but needs to know the remote Layer 3 IP address. B. dynamic address mapping takes place automatically. The mapping between DLCI 100 and the end station IP address 172. What is the meaning of the term dynamic as displayed in the output of the show framerelay map command shown? A. C. Therefore.1 was learned through Inverse ARP. A Composite Solution With Just One Click .

E. B. All UDP traffic is marked discard eligible and a BECN is sent. They emulate leased lines.Cisco 200-125 : Practice Test Question No : 167 . Each subinterface requires a unique IP address/subnet. All TCP traffic is marked discard eligible. They require a unique subnet within a routing domain. All traffic exceeding the CIR is marked discard eligible. Answer: B. there is a bit called Discard eligible (DE) bit that is used to identify frames that are first to be dropped when the CIR is exceeded.C Explanation: Subinterfaces are used for point to point frame relay connections. D. emulating virtual point to point leased lines. B. you cannot assign multiple interfaces in a router that belong to the same IP subnet.(Topic 4) What occurs on a Frame Relay network when the CIR is exceeded? A. Answer: D Explanation: Committed information rate (CIR): The minimum guaranteed data transfer rate agreed to by the Frame Relay switch. They create split-horizon issues.) A. They are ideal for full-mesh topologies. Note: In the Frame Relay frame format. C. A Composite Solution With Just One Click . Question No : 168 . They require the use of NBMA options when using OSPF. All TCP traffic is marked discard eligible and a BECN is sent.Certification Guaranteed 150 . Frames that are sent in excess of the CIR are marked as discard eligible (DE) which means they can be dropped if the congestion occurs within the Frame Relay network. D. Remember. C.(Topic 4) What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.

defines the DLCI on which packets from the 192.(Topic 4) What is the purpose of Inverse ARP? A.168. defines the destination IP address that is used in all broadcast packets on DCLI 202 B.168.Cisco 200-125 : Practice Test Question No : 169 . defines the source IP address that is used in all broadcast packets on DCLI 202 C. to map a known MAC address to an IP address D.(Topic 4) What is the result of issuing the frame-relay map ip 192.2 IP address are received D.1.1. to map a known DLCI to a MAC address C. to resolve a next hop network protocol (IP) address to a local DLCI value. to map a known DLCI to an IP address E.168.2 IP address Answer: D Explanation: This command identifies the DLCI that should be used for all packets destined to the 192. In this case.2 address. Question No : 170 .1. to map a known IP address to a SPID F. defines the DLCI that is used for all packets that are sent to the 192.Certification Guaranteed 151 . to map a known IP address to a MAC address B. DLCI 202 should be used.2 202 broadcast command? A.168. The Frame Relay router sends out Inverse ARP requests on its Frame Relay PVC to discover the protocol address of the remote device connected to the A Composite Solution With Just One Click . to map a known SPID to a MAC address Answer: D Explanation: Dynamic address mapping relies on the Frame Relay Inverse Address Resolution Protocol (Inverse ARP). defined by RFC 1293.1.

show frame relay end-to-end Answer: C Explanation: Sample “show frame-relay map” output: R1#sh frame map Serial0/0 (up): ip 10.Certification Guaranteed 152 .1 dlci 401(0x191. dynamic.(Topic 4) Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers? A. CISCO.3 dlci 403(0x193. Question No : 171 . active Serial0/0 (up): ip 10.4. which contains all resolved Inverse ARP requests. broadcast. ANSI Annex D A Composite Solution With Just One Click .Cisco 200-125 : Practice Test Frame Relay network. The responses to the Inverse ARP requests are used to populate an address-to-DLCI mapping table on the Frame Relay router or access server. show frame-relay map D. active Serial0/0 (up): ip 10. show frame-relay pvc B. status defined.4 dlci 401(0x191. including both dynamic and static mapping entries.4. The router builds and maintains this address-to-DLCI mapping table. show frame-relay lmi C. status defined. status defined. active Question No : 172 .4.4.. dynamic..0x6410). static.4.0x6430).0x6410).(Topic 4) What command is used to verify the DLCI destination address in a Frame Relay static configuration? A. broadcast.4. IETF B.

Answer: B. CHAP uses a two-way handshake. They represent the ANSI Annex D. which is in conformance with RFC 1490 and RFC 2427. E. Cisco. respectively. HDLC Answer: A Explanation: Cisco supports two Frame Relay encapsulation types: the Cisco encapsulation and the IETF Frame Relay encapsulation. Question No : 173 . Below is the output of this command (notice Cisco is the default encapsulation so it is not listed here.) A. and Q933a. CHAP has no protection from playback attacks. Note: Three LMI options are supported by Cisco routers are ansi. Q9333-A Annex A D. F.(Topic 4) Which two statements about using the CHAP authentication mechanism in a PPP link are true? (Choose two. just press Enter to use it). HDLC is a WAN protocol same as Frame-Relay and PPP so it is not a Frame Relay encapsulation type. CHAP authentication is performed only upon link establishment. B.Cisco 200-125 : Practice Test C.Certification Guaranteed 153 . The former is often used to connect two Cisco routers while the latter is used to connect a Cisco router to a non-Cisco router. CHAP authentication passwords are sent in plaintext. CHAP uses a three-way handshake. C. Cisco. and ITU Q933-A (Annex A) LMI types. You can test with your Cisco router when typing the command Router(config-if)#encapsulation frame-relay ? on a WAN link.C Explanation: A Composite Solution With Just One Click . CHAP authentication periodically occurs after link establishment. D.

is operating normally. A Composite Solution With Just One Click . but the connection to the remote router is not available + DELETED: the PVC is not present and no LMI information is being received from the Frame Relay switch + STATIC: the Local Management Interface (LMI) mechanism on the interface is disabled (by using the “no keepalive” command). The PVC is configured correctly. is operating normally. Answer: D Explanation: The PVC STATUS displays the status of the PVC.(Topic 4) The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". C. The PVC is configured correctly. D. but there is a problem on the remote end of the PVC. What does this mean? A. E. This happens at the time of establishing the initial link (LCP). The PVC is configured correctly and is operating normally. CHAP periodically verifies the identity of the client by using a three-way handshake. There are 4 statuses: + ACTIVE: the PVC is operational and can transmit data + INACTIVE: the connection from the local router to the switch is working.Certification Guaranteed 154 . Question No : 174 . and may happen again at any time afterwards. The DCE device creates and sends the report to the DTE devices. B. The PVC is not configured on the local switch. The verification is based on a shared secret (such as the client user's password). This status is rarely seen so it is ignored in some books. and is waiting for interesting traffic to trigger a call to the remote router. The PVC is configured correctly on the local switch. but no data packets have been detected for more than five minutes.Cisco 200-125 : Practice Test CHAP is an authentication scheme used by Point to Point Protocol (PPP) servers to validate the identity of remote clients. and is no longer actively seeking the address of the remote router.

168.3 /24 B.168.1 /24 DLCI 99: 192.168.168.1 /24 DLCI 17: 192.10. In the Frame Relay network.168. DLCI 16: 192.12.168.Certification Guaranteed 155 .168.168.3 /24 DLCI 28: 192.10.1 /24 C.1 /24 DLCI 99: 192. each connection needs to be in a separate subnet.168.11.10. DLCI 16: 192. DLCI 16: 192.4 /24 Answer: C Explanation: With point to point PVC’s.168.Cisco 200-125 : Practice Test Question No : 175 .168.168.10.10.10. the A Composite Solution With Just One Click . which IP addresses would be assigned to the interfaces with point-to-point PVCs? A.1 /24 DLCI 17: 192.10.168.1 /24 DLCI 99: 192. Similarly.2 /24 D.1 /24 DLCI 17: 192.13.168.(Topic 4) Refer to the exhibit.1 /24 DLCI 28: 192.2 /24 DLCI 28: 192. The R2-R1 connection (DLCI 16 to 99) would have each router within the same subnet. DLCI 16: 192.11.10.10.168.11.168.2 /24 DLCI 99: 192.2 /24 DLCI 28: 192.10.1 /24 DLCI 17: 192.10.

Router(config-if)# ppp authentication chap fallback ppp B. Question No : 177 . Router(config-if)# ppp authentication chap pap C. Question No : 176 . A Composite Solution With Just One Click .Certification Guaranteed 156 .(Topic 4) Which command is used to enable CHAP authentication.(Topic 4) Refer to the exhibit. Router(config-if)# authentication ppp chap fallback ppp D. with PAP as the fallback method. on a serial interface? A. but it must be in a different one than the R2-R1 connection. Router(config-if)# authentication ppp chap pap Answer: B Explanation: This command tells the router first to use CHAP and then go to PAP if CHAP isn't available.Cisco 200-125 : Practice Test R3-R1 connection would also be in the same subnet.

Create the virtual interfaces with the interface command.Certification Guaranteed 157 . B. DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3. DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider. B. Frame Relay is strictly a Layer 2 protocol suite. Configure each subinterface with its own IP address. It cannot be used on R3 or R1. Question No : 178 . Configure static Frame Relay map entries for each subinterface network. Disable split horizon to prevent routing loops between the subinterface networks.Cisco 200-125 : Practice Test Which statement describes DLCI 17? A. with each subinterface configured for each PVC. Each subinterface will then have its own IP address. D. Note that this DLCI has only local significance. Encapsulate the physical interface with multipoint PPP. D. you must use subinterfaces.C.(Topic 4) It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. F. Which of the following procedures are required to accomplish this task? (Choose three. and no IP address will be assigned to the main interface. C.) A. Answer: C Explanation: DLCI-Data Link Connection Identifier Bits: The DLCI serves to identify the virtual connection so that the receiving end knows which information connection a frame belongs to. Answer: A. DLCI 17 describes a PVC on R2.D Explanation: For multiple PVC’s on a single interface. DLCI 17 describes the ISDN circuit between R2 and R3. A Composite Solution With Just One Click . C. Remove the IP address from the physical interface. E.

The network administrator suspects that the link is overloaded.Cisco 200-125 : Practice Test Question No : 179 . IPsec D. IPSec can be used to protect one or more data flows between IPSec peers. L2TP C.(Topic 4) Users have been complaining that their Frame Relay connection to the corporate site is very slow. data integrity. to provide secure end-to-end communications? A. RSA B. A Composite Solution With Just One Click . and data authentication between participating peers at the IP layer.(Topic 4) Which protocol is an open standard protocol framework that is commonly used in VPNs.Certification Guaranteed 158 . Question No : 180 . PPTP Answer: C Explanation: IPSec is a framework of open standards that provides data confidentiality.

incorrect map statement D. After reviewing the command output and graphic. incorrect IP address A Composite Solution With Just One Click . overloaded resources. it will set the BECN bit on packets being returned to the sending device and the FECN bit on the packets being sent to the receiving device. Both routers are running IOS version 12.0. DLCI = 100 B. Question No : 181 . what is the most likely cause of the problem? A. over-subscribed port. last time PVC status changed 00:25:40 C. in FECN packets 147 E.(Topic 4) RouterA is unable to reach RouterB.Cisco 200-125 : Practice Test Based on the partial output of the Router# show frame relay pvc command shown in the graphic. which output value indicates to the local router that traffic sent to the corporate site is experiencing congestion? A. in DE packets 0 Answer: C Explanation: If device A is sending data to device B across a Frame Relay infrastructure and one of the intermediate Frame Relay switches encounters congestion. congestion being full buffers. in BECN packets 192 D.Certification Guaranteed 159 . etc. incorrect bandwidth configuration B. incorrect LMI configuration C.

(Topic 4) At which layer of the OSI model does PPP perform? A.1 255.2 255.252 A Composite Solution With Just One Click .16. Layer 2 B. PPP was originally emerged as an encapsulation protocol for transporting IP traffic between two peers.16.Certification Guaranteed 160 .255.1 255. The “frame-relay map ip” statement is correct thus none of the four answers above is correct. Layer 4 D.0.1. Maybe the “ip address 172. Layer 5 Answer: A Explanation: The Point-to-Point Protocol (PPP) provides a standard method for transporting multiprotocol datagrams over point-to-point links. The router at the remote office is a non-Cisco router. Question No : 182 . How should the network administrator configure the serial interface of the main office router to make the connection? A.0 command should be “ip address 172.100. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.0.0.100.Cisco 200-125 : Practice Test Answer: C Explanation: First we have to say this is an unclear question and it is wrong.(Topic 4) A network administrator needs to configure a serial link between the main office and a remote location. It is a data link layer protocol (layer 2 in the OSI model) Question No : 183 . Layer 3 C.255. That makes answer C correct.16. But we guess there is a typo in the output.255.255.

✑ All hosts in the Core and on local LAN should be able to access the Public Web Server.1 255. You have been tasked to create and apply a numbered access list to a single outbound interface.252 Main(config-if)#encapsulation ietf Main(config-if)# no shut Answer: B Explanation: With serial point to point links there are two options for the encapsulation.252 Main(config-if)# encapsulation ppp Main(config-if)# no shut C. is Cisco proprietary and works only with other Cisco routers.1 255.255. Question No : 184 CORRECT TEXT .255. A Composite Solution With Just One Click .255. Main(config)# interface serial 0/0 Main(config-if)# ip address 172.16. Main(config)# interface serial 0/0 Main(config-if)#ip address 172.255. ✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked. The default. ✑ Other types of access from host B to the Finance Web Server should be blocked.255.(Topic 4) A corporation wants to add security to its network. Main(config)# interface serial 0/0 Main(config-if)# ip address 172. Access to the router CLI can be gained by clicking on the appropriate host. HDLC.16.1 255. The requirements are: ✑ Host B should be able to use a web browser (HTTP) to access the Finance Web Server.Certification Guaranteed 161 . The other option is PPP which is standards based and supported by all vendors.1.16.1.Cisco 200-125 : Practice Test Main(config-if)# no shut B. This access list can contain no more than three statements that meet these requirements.255.252 Main(config-if)# encapsulation frame-relay Main(config-if)# authentication chap Main(config-if)# no shut D.1.

168.201. The Public Web Server in the Server LAN has been assigned an address of 172.201.237.1 – 192.18. host A 192.17.201.168.254.65.22.4 The Finance Web Server has been assigned an address of 172.18.168. The computers in the Hosts LAN have been assigned addresses of 192.1 host B 192.168.3 host D 192.201. A Composite Solution With Just One Click .22.2 host C 192.✑ ✑ ✑ ✑ ✑ ✑ ✑ ✑ ✑ Cisco 200-125 : Practice Test All passwords have been temporarily set to “cisco”.168.132.201.237.201.Certification Guaranteed 162 . The Core connection uses an IP address of 198.168.

Certification Guaranteed 163 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Certification Guaranteed 164 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Explanation: We should create an access-list and apply it to the interface that is connected to the Server LAN because it can filter out traffic from both S2 and Core networks.17 via HTTP (port 80).109.22.17 eq 80 Then. we know that the servers are located on the fa0/1 interface.109.168. blocking all other access to the finance web server: Corp1(config)#access-list 100 deny ip any host 172.22.2 to the Finance Web Server 172.24. ✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked.109.109.png From this. To see which interface this is.125. so we will place our numbered access list here in the outbound direction. This can be accomplished with one command (which we need to do as our ACL needs to be no more than 3 lines long).18 any Finally. our next two instructions are these: ✑ Other types of access from host B to the Finance Web Server should be blocked.22.17 Our last instruction is to allow all hosts in the Core and on the local LAN access to the Public Web Server (172. use the “show ip interface brief” command: Macintosh HD:Users:danielkeller:Desktop:Screen Shot 2015-11-17 at 3.34 PM. so our first line is this: Corp1(config)#access-list 100 permit tcp host 192. just click on host B to open its web browser.18) Corp1(config)#access-list 100 permit ip host 172.168125. If A Composite Solution With Just One Click .22.2 host 172.Cisco 200-125 : Practice Test Answer: Please check the below explanation for all details.109.109. To verify. Corp1#configure terminal Our access-list needs to allow host B – 192.22.22.17 to check if you are allowed to access Finance Web Server or not. In the address box type http://172. apply this access-list to Fa0/1 interface (outbound direction) Corp1(config)#interface fa0/1 Corp1(config-if)#ip access-group 100 out Notice: We have to apply the access-list to Fa0/1 interface (not Fa0/0 interface) so that the access-list can filter traffic coming from both the LAN and the Core networks.Certification Guaranteed 165 .

0x6410).Certification Guaranteed 166 . dynamic.4. Finally. Click on other hosts (A.) A.. status defined. status defined. the status of the PVC that is configured on the router E.. Then.4.0x6410). static.3 dlci 403(0x193. save the configuration Corp1(config-if)#end Corp1#copy running-config startup-config Question No : 185 . the number of FECN packets that are received by the router D.4.D Explanation: Sample “show frame-relay map” output: R1#sh frame map Serial0/0 (up): ip 10.(Topic 4) A Composite Solution With Just One Click . broadcast. dynamic.0x6430). the value of the local DLCI C. the IP address of the local router Answer: B. active Serial0/0 (up): ip 10.4.(Topic 4) Which two statistics appear in show frame-relay map output? (Choose two. C and D) and check to make sure you can’t access Finance Web Server from these hosts. active Serial0/0 (up): ip 10. CISCO. repeat to make sure they can reach the public server at 172.1 dlci 401(0x191.Cisco 200-125 : Practice Test your configuration is correct then you can access it.18. active Question No : 186 DRAG DROP .4. status defined. broadcast. the number of BECN packets that are received by the router B.4 dlci 401(0x191.109.4.22.

Answer: E Explanation: A Composite Solution With Just One Click .Cisco 200-125 : Practice Test Drag the Frame Relay acronym on the left to match its definition on the right.121. E. This command is required for all Frame Relay configurations.16. The IP address 10. such as RIP updates.121.16. The broadcast option allows packets.Certification Guaranteed 167 . C. D.8 is the local router port used to forward data. B. Which of the following statements is true concerning this command? A.8 102 broadcast was entered on the router. 102 is the remote DLCI that will receive the information.(Topic 4) The command frame-relay map ip 10. (Not all acronyms are used. to be forwarded across the PVC. This command should be executed from the global configuration mode.) Answer: Question No : 187 .

Question No : 188 . PPP C.Cisco 200-125 : Practice Test Broadcast is added to the configurations of the frame relay.(Topic 4) Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms? A. Check the encapsulation type on the Cisco device with the show frame-relay map exec command. show frame-relay pvc D.25 D. X. you must use IETF4 encapsulation on both devices. HDLC B. Question No : 189 . show frame-relay lmi B. show interfaces serial Answer: B Explanation: When connecting Cisco devices with non-Cisco devices. allowing the routing protocol updates that use the broadcast update mechanism to be forwarded across itself. so the PVC supports broadcast. Frame Relay Answer: B Explanation: A Composite Solution With Just One Click . show frame-relay map C.Certification Guaranteed 168 .(Topic 4) Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link? A.

such as Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP). ipv6 address PREFIX_1 ::1/64 D. B514 : 82C3 : 0029 :: EC7A : 0000 : EC72 D. ipv6 autoconfig 2001:db8:2222:7272::72/64 B. Infrastructure Services Question No : 190 . use the “ipv6 address” command and specify the IP address you wish to use. B514 : 82C3 :: 0029 : EC7A : EC72 C.(Topic 5) Which command can you use to manually assign a static IPv6 address to a router interface? A. PPP was designed to work with several network layer protocols. Question No : 191 .(Topic 5) What is the alternative notation for the IPv6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72? A. Topic 5. B514 : 82C3 :: 0029 : EC7A : 0 : EC72 Answer: D A Composite Solution With Just One Click .Certification Guaranteed 169 . PPP also has built-in security mechanisms. ipv6 autoconfig Answer: B Explanation: To assign an IPv6 address to an interface. ipv6 address 2001:db8:2222:7272::72/64 C.Cisco 200-125 : Practice Test PPP: Provides router-to-router and host-to-network connections over synchronous and asynchronous circuits. B514 : 82C3 : 0029 : EC7A : EC72 B. including IP.

manual) mechanisms. FE80::380e:611a:e14f:3d69 B.(Topic 5) Refer to the exhibit. They may be assigned by automatic (stateless) or stateful (e. FE81::280f:512b:e14f:3d69 C. The actual link local addresses are assigned with the prefix fe80::/64. the address block fe80::/10 has been reserved for link-local unicast addressing. Question No : 193 . So. FE08::280e:611:a:f14f:3d69 Answer: A Explanation: In the Internet Protocol Version 6 (IPv6). It is important to note that the double colon (::) can only be used once within a single IPv6 address notation.g. Question No : 192 . FEFE:0345:5f1b::e14d:3d69 D.(Topic 5) Which of these represents an IPv6 link-local address? A. A Composite Solution With Just One Click .Certification Guaranteed 170 . Both of these can be used in any number of combinations to notate the same address. the extra 0’s can only be compressed once.Cisco 200-125 : Practice Test Explanation: There are two ways that an IPv6 address can be additionally compressed: compressing leading zeros and substituting a group of consecutive zeros with a single double colon (::).

Here. The passwords do not match on the two routers.255.224 E.255. with each LAN containing 5 to 26 hosts? A.255. the configured passwords must be identical on each router.255. E. one router must authenticate to another router.255.255. What is the cause of the problem? A.240 Answer: D Explanation: A Composite Solution With Just One Click .252 C. 255.240 B.0 D. D.0. The routers cannot be configured to authenticate to each other.Cisco 200-125 : Practice Test The Bigtime router is unable to authenticate to the Littletime router. 0. Answer: B Explanation: With CHAP authentication. it is configured as little123 on one side and big123 on the other. 255.255.(Topic 5) Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs. The routers cannot be connected from interface S0/0 to interface S0/0. The usernames are incorrectly configured on the two routers.255. B. With CHAP authentication. CHAP authentication cannot be used on a serial interface.0.Certification Guaranteed 171 . 255. 255. C. Question No : 194 .

Certification Guaranteed 172 .168. Which network address and subnet mask meet this requirement? A. capture Answer: C Explanation: An agent can send unsolicited traps to the manager. or other significant events. Traps can mean improper user authentication. 192.248 C.255. MAC address tracking.16 255. Traps are messages alerting the SNMP manager to a condition on the network. link status (up or down).252 B. restarts.168. 192.255.255.255.255. get C. closing of a TCP connection.252. a mask of 255.252.255.255. 192.(Topic 5) What SNMP message alerts the manager to a condition on the network? A.com/c/en/us/td/docs/switches/lan/catalyst2950/software/release/121_9_ea1/configuration/guide/scg/swsnmp. loss of connection to a neighbor.8 255.252.240 A Composite Solution With Just One Click .252.255.255.168.(Topic 5) You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the maximum number of subnets. 192. Question No : 195 .168.Cisco 200-125 : Practice Test For a class C network.224 will allow for up to 8 networks with 32 IP addresses each (30 usable).255. response B. trap D.cisco.0 255. Reference: http://www.8 255.html Question No : 196 .252 D.

0.0.0/25 subnetted with mask 255.255.252 E.252 C.255.252 will allow for only 2 usable IP addresses. 10.16 255.255.(Topic 5) The network administrator is asked to configure 113 point-to-point links.10. 10. 192. A subnet mask of 255.0/23 subnetted with mask 255. You can understand it more clearly when writing it in binary form: /23 = 1111 1111. So 10.0.0/23 is the correct answer.10.248 will allow for up to 6 hosts to reside in this network.0/24 subnetted with mask 255.168. 10.255.255.255.255.255. Which IP addressing scheme defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses? A.10.255. The network used for point-to-point connection should be /30. So our initial network should be 30 – 7 = 23.252 Answer: B Explanation: A subnet mask of 255.0.0000 0000 /30 = 1111 1111.1.1111 1111.252 Answer: D Explanation: We need 113 point-to-point links which equal to 113 sub-networks < 128 so we need to borrow 7 bits (because 2^7 = 128).255. since we cannot use the network or broadcast address.10.Cisco 200-125 : Practice Test E.255.255. 10.0/16 subnetted with mask 255.252 D.255.1111 1100 (borrow 7 bits) A Composite Solution With Just One Click .255. Question No : 197 .255.10.Certification Guaranteed 173 .252.10.255.252 B.1111 1110. 10.0/18 subnetted with mask 255.1.

1.1.4.4.1.0/24 172.0/24 172. What is the most efficient summarization that R1 can use to advertise its networks to R2? A.0/24 172.0/24 172.1.7.5.0/21 C. Question No : 199 . 172.7.Certification Guaranteed 174 .0 – 172.0/22 subnet encompasses all routes from the IP range 172.4.7.1.0.(Topic 5) A Composite Solution With Just One Click .0.0/24 172.Cisco 200-125 : Practice Test Question No : 198 .128/25 172. 172.6.1. 172.1.5.1.1.1.1.255.(Topic 5) Refer to the exhibit. 172.1.4.0/22 B. 172.0/24 E.1.6.1.1.4.0/22 D.0/24 Answer: C Explanation: The 172.0/25 172.4.

F Explanation: The SNMP framework consists of three parts: •An SNMP manager — The system used to control and monitor the activities of network devices using SNMP.) A. SET Answer: A. •A managed information base (MIB) — The collection of managed objects on the SNMP agent. INFORM C.(Topic 5) What are the alert messages generated by SNMP agents called? A.Cisco 200-125 : Practice Test What are three components that comprise the SNMP framework? (Choose three. MIB B. to managing systems.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/4_0_4_s_v_1_3/s ystem_management/configuration/guide/n1000v_system/n1000v_system_10snmp. GET D. you must define the relationship between the manager and the agent.html Question No : 200 . set D. agent C.Certification Guaranteed 175 .B Explanation: A Composite Solution With Just One Click . To enable the SNMP agent. SNMP is defined in RFCs 3411 to 3418. TRAP B. manager Answer: A. AES E.B.cisco. •An SNMP agent — The software component within the managed device that maintains the data for the device and reports these data. Reference: http://www. Cisco Nexus 1000V supports the agent and MIB. as needed. supervisor F.

The lowest level is level 7. If you specify a level with the “logging console level” command. but significant.C. Alerts C. For example. by using the “logging console warnings” command. Critical D. The big problem with TRAPs is that they’re unacknowledged so you don’t actually know if the remote application received your oh-soimportant message to it. Emergencies B. which is nothing more than an acknowledged TRAP. SNMPv2 PDUs fixed this by introducing the notion of an INFORM.Certification Guaranteed 176 . Their purpose is merely to notify the other application that something has happened. Warnings Answer: A.Cisco 200-125 : Practice Test A TRAP is a SNMP message sent from one application to another (which is typically on a remote host). has been noticed. all the logging A Composite Solution With Just One Click .B. Which 3 types of logs would be generated (choose four) A. Question No : 201 . Errors E. etc.D Explanation: The Message Logging is divided into 8 levels as listed below: Level Keyword Description 0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist 3 errors Error conditions exist 4 warnings Warning conditions exist 5 notification Normal.(Topic 5) Syslog was configured with a level 3 trap. that level and all the higher levels will be displayed. conditions exist 6 informational Informational messages 7 debugging Debugging messages The highest level is level 0 (emergencies).

F.Cisco 200-125 : Practice Test of emergencies. (Reference: http://www.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cddhcp.cisco. DHCP checks for conflicts using ping and gratuitous ARP. local6 D. A DHCP client uses a gratuitous ARP to detect a DHCP server. The address will not be assigned until the administrator resolves the conflict. C. critical. alerts. the address is removed from the pool for an amount of time configurable by the administrator. A DHCP client uses a ping to detect address conflicts.Certification Guaranteed 177 . During address assignment. warnings will be displayed. local4 B. If an address conflict is detected. local5 C. B. D. local7 A Composite Solution With Just One Click . A DHCP server uses a gratuitous ARP to detect DHCP clients.html) Question No : 203 . the address is removed from the pool. If a conflict is detected. the address is removed from the pool and an administrator must resolve the conflict. E.(Topic 5) What is the default Syslog facility level? A. Question No : 202 . If an address conflict is detected. Answer: D Explanation: An address conflict occurs when two hosts use the same IP address. the address is removed from the pool and will not be reused until the server is rebooted. If an address conflict is detected.(Topic 5) Which statement is correct regarding the operation of DHCP? A. errors.

(Topic 5) Which two statements describe characteristics of IPv6 unicast addressing? (Choose two. Cisco IOS devices.asp?p=426638 Question No : 204 . B. E.com/articles/article.Certification Guaranteed 178 . Link-local addresses start with FF00::/10.ciscopress. most Cisco devices provide options to change the facility level from their default value. Moreover. CatOS switches. then that is the only allowable address for the interface. If a global address is assigned to an interface. Answer: A. D.) A.Cisco 200-125 : Practice Test Answer: D Explanation: By default. Link-local addresses start with FE00:/12. and VPN 3000 Concentrators use facility local7 while Cisco PIX Firewalls use local4 to send syslog messages.D Explanation: Below is the list of common kinds of IPv6 addresses: A Composite Solution With Just One Click . C. There is only one loopback address and it is ::1. Reference: http://www. Global addresses start with 2000::/3.

128 E.168. host A IP address: 192. Host A (using port 6 – VLAN 10) must use IP 192.79.168. A network administrator is adding two new hosts to SwitchA.130 /26: 192. default gateway 192.) A. So find out the usable IP addresses on each sub-interfaces – for 192. So each hosts in VLAN 10 must use fa0/0.1.10 and VLAN 20 on fa0/0.168.1.1. default gateway 192.10 IP address as their default gateway. Host B (using port 9 – VLAN 20) must use IP 192. host A IP address: 192.168.Cisco 200-125 : Practice Test Question No : 205 . host A default gateway: 192.20.190.10 IP – same with hosts in VLAN 20.168. Which three values could be used for the configuration of these hosts? (Choose three.78.1.1.1.1. host B IP address: 192.C.94 and for 192.129 F.79 B.78 /27: 192.1.64 C. each hosts must also be in the same subnet as fa0/0.168.190.F Explanation: It’s a “router-on-a-stick” configuration. VLAN 10 is configured on fa0/0. A Composite Solution With Just One Click .1.190 Answer: A.65 – .Certification Guaranteed 179 .1.168.168.1. host B IP address: 192.168.1.130. Which means each host in the VLAN must corresponds with the VLAN configured on the sub-interfaces.128 – . host B default gateway: 192.168.168.1.78 D.1.(Topic 5) Refer to the exhibit.168.168.168.

Question No : 207 .0c07.Cisco 200-125 : Practice Test Question No : 206 . two or more devices support a virtual router with a fictitious MAC address and unique IP address.0FFF. + With HSRP version 1. 0000.0C9F.B301 Answer: C Explanation: With HSRP.(Topic 5) Refer to the exhibit.5E00. + With HSRP version 2.0000 through 0005.ACxx .B400. the virtual MAC address if 0000. 0007. in which xx is the HSRP group. the virtual router’s MAC address is 0000.(Topic 5) What is a valid HSRP virtual MAC address? A.AE01 C.5E00.0C07.AC15 D.Certification Guaranteed 180 . Note: Another case is HSRP for IPv6. 0000.73A0. in which the MAC address range from 0005. in which xxx is the HSRP group. A Composite Solution With Just One Click . 0007.Fxxx.73A0. There are two version of HSRP.01A3 B.

manufacturer.0.0 networks.3.0. They are used as the first 24 nits of the MAC address to uniquely identify a particular piece of equipment. A Composite Solution With Just One Click .0 /22 C. 10.0. Question No : 209 .0. 10.0 /24 Answer: B Explanation: The 10.0.Certification Guaranteed 181 . Question No : 208 .0. VAI Answer: C Explanation: An Organizationally Unique Identifier (OUI) is a 24-bit number that uniquely identifies a vendor. NIC B. and only those four networks.0.0.(Topic 5) What is the first 24 bits in a MAC address called? A.0. or other organization globally or worldwide.0.0. BIA C. 10.0.0.0 /23 D.1.0. and 10.0.2.0.0/22 subnet mask will include the 10. 10. OUI D.0. 10.0 /21 B.(Topic 5) Refer to the exhibit. 10.0.Cisco 200-125 : Practice Test What is the most appropriate summarization for these routes? A.

D. E.(Topic 5) A network administrator enters the following command on a router: logging trap 3. (Reference: http://www.F A Composite Solution With Just One Click .Certification Guaranteed 182 . B.html) Question No : 210 . the address is removed from the pool. Only the IP detected by Ping is removed from the pool. The address is removed from the pool until the conflict is resolved. The IP will be shown. debug F. even after the conflict is resolved. informational B. error Answer: B.Cisco 200-125 : Practice Test Which rule does the DHCP server use when there is an IP address conflict? A. What are three message types that will be sent to the Syslog server? (Choose three.cisco. warning D. emergency C. C. The address will not be assigned until the administrator resolves the conflict.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cddhcp.) A. The address remains in the pool until the conflict is resolved. Only the IP detected by Gratuitous ARP is removed from the pool. critical E. Answer: A Explanation: An address conflict occurs when two hosts use the same IP address. If a conflict is detected. D. DHCP checks for conflicts using ping and gratuitous ARP. During address assignment.

Certification Guaranteed 183 . and errors. alerts. by using the “logging trap 3 command. conditions exist 6 informational Informational messages 7 debugging Debugging messages If you specify a level with the “logging trap level” command. will be logged. but significant. critical.Cisco 200-125 : Practice Test Explanation: The Message Logging is divided into 8 levels as listed below: Level Keyword Description 0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist 3 errors Error conditions exist 4 warnings Warning conditions exist 5 notification Normal. that level and all the higher levels will be logged. all the logging of emergencies.(Topic 5) A Composite Solution With Just One Click . Question No : 211 . For example.

these addresses can be assigned to more than one interface unlike an IPv6 unicast address. 8 B.F Explanation: A new address type made specifically for IPv6 is called the Anycast Address. The nearest router or interface is found by using the metric of a routing protocol currently running on the network. 14 F. 6 C. 30 D.(Topic 5) The network administrator needs to address seven LANs. one-to-nearest communication model C. the same address for multiple devices in the group F. Question No : 212 .) A.Certification Guaranteed 184 . The sender creates a packet and forwards the packet to the anycast address as the destination address which goes to the nearest router. These IPv6 addresses are global addresses. Anycast is designed to send a packet to the nearest interface that is a part of that anycast group. one-to-many communication model B. 32 E.Cisco 200-125 : Practice Test Which three are characteristics of an IPv6 anycast address? (Choose three. However in a LAN setting the nearest interface is found depending on the order the neighbors were learned. a unique IPv6 address for each device in the group E. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. any-to-many communication model D. delivery of packets to the group interface that is closest to the sending device Answer: B. 16 Answer: C A Composite Solution With Just One Click . What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block? A. The anycast packet in a LAN setting forwards the packet to the neighbor it learned about first.E.

Question No : 214 . They can be configured with access lists. They are always present in the NAT table. D.Cisco 200-125 : Practice Test Explanation: Since there is one class C network that means 256 total IP addresses. They require no inside or outside interface markings because addresses are statically defined. they are always present in the NAT table even if they are not actively in use. B. only 30 total IP addresses are usable. Question No : 213 . Since we need 7 LAN blocks and we cannot use the first one (subnet 0) we take 256/8=32 hosts.(Topic 5) Refer to the exhibit.C Explanation: Static NAT is to map a single outside IP address to a single inside IP address. to allow two or more connections to be initiated from the outside. Since these are static. C. However.Certification Guaranteed 185 . A Composite Solution With Just One Click .) A. They allow connections to be initiated from the outside. Answer: A. since we need to reserve the network and broadcast addresses for each of these subnets. This is typically done to allow incoming connections from the outside (Internet) to the inside.(Topic 5) Which two statements about static NAT translations are true? (Choose two.

D. The configuration that is shown provides inadequate outside address space for translation of the number of inside addresses that are supported. Because of the addressing on interface FastEthernet0/1.Certification Guaranteed 186 . C.Cisco 200-125 : Practice Test What statement is true of the configuration for this network? A. The number 1 referred to in the ip nat inside source command references access-list number 1. ExternalRouter must be configured with static routes to networks 172.0/24 and 172. Addresses are permanently assigned so that the host uses the same address at all A Composite Solution With Just One Click .(Topic 5) How does a DHCP server dynamically assign IP addresses to hosts? A. B.16.16.2.0/24. Question No : 215 . the Serial0/0 interface address will not support the NAT configuration as shown.1. Answer: C Explanation: The “list 1 refers to the access-list number 1.

When a PC connects to a DHCP server. Addresses are leased to hosts. causing the adjacency to go down. Question No : 216 . and another address is then assigned. At the end of the period. The EIGRP neighbor connected to Fa0/1 is participating in a different EIGRP process. The DHCP server returns these addresses to the address pool and reallocates them as necessary. What is the cause of the Syslog output messages? A. Answer: C Explanation: DHCP works in a client/server mode and operates like any other client/server relationship.(Topic 5) Refer to the exhibit. Addresses are assigned for a fixed period of time. The EIGRP neighbor on Fa0/1 went down due to a failed link. B. This lease mechanism ensures that hosts that move or power off do not hold onto addresses that they do not need. Answer: C A Composite Solution With Just One Click . Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. C. The PC connects to the network with that leased IP address until the lease expires. Interface Fa0/1 has become error disabled. The host must contact the DHCP server periodically to extend the lease. a new request for an address must be made. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease. C. B.Certification Guaranteed 187 . D. causing the EIGRP adjacency to go down. D. A shut command was executed on interface Fa0/1. the server assigns or leases an IP address to that PC.Cisco 200-125 : Practice Test times. causing the EIGRP adjacency to go down.

you can keep your routing table entries (on the routers that receive the summarized routes) manageable. efficient utilization of MAC addresses D.(Topic 5) A Composite Solution With Just One Click .(Topic 5) Which two benefits are provided by using a hierarchical addressing network addressing scheme? (Choose two. ease of management and troubleshooting Answer: A.) A. you should try to keep your routing tables as small as possible by using route summarization. auto-negotiation of media rates C.E Explanation: Here are some of the benefits of hierarchical addressing: ✑ Reduced number of routing table entries — whether it is with your Internet routers or your internal routers.ciscopress.Cisco 200-125 : Practice Test Explanation: The first lines of the message show that a configuration change was made.com/articles/article. Reference: http://www. and that the fa0/1 interface changed to a state of administratively down. This can only be done by issuing the shutdown command. Route summarization is a way of having a single IP address represent a collection of IP addresses. dedicated communications between devices E.asp?p=174107 Question No : 218 . reduces routing table entries B.Certification Guaranteed 188 . this is most easily accomplished when you employ a hierarchical addressing plan. which offers the following benefits: ✑ Efficient allocation of addresses—Hierarchical addressing lets you take advantage of all possible addresses because you group them contiguously. By summarizing routes. Question No : 217 . The last line indicates that this caused an EIGRP neighbor adjacency to go down.

(Topic 5) A Composite Solution With Just One Click . autoconfiguration F.Certification Guaranteed 189 . NAT Answer: A. Question No : 219 . Telnet access does not require a password E.Cisco 200-125 : Practice Test How many bits are contained in each field of an IPv6 address? A. 8 D. change of source address in the IPv6 header C. change of destination address in the IPv6 header D. each group representing 16 bits (two octets). and autoconfiguration is a feature of IPV6 that allows for hosts to automatically obtain an IPv6 address. The groups are separated by colons (:). no broadcast B. 24 B.) A. What are two valid reasons for adopting IPv6 over IPv4? (Choose two.(Topic 5) The network administrator has been asked to give reasons for moving from IPv4 to IPv6. An example of an IPv6 address is 2001:0db8:85a3:0000:0000:8a2e:0370:7334.E Explanation: IPv6 does not use broadcasts. 16 Answer: D Explanation: An IPv6 address is represented as eight groups of four hexadecimal digits. Question No : 220 . 4 C.

B. HSRP supports up to 255 groups per interface.0C9F. F. Answer: A.0C07.0C07. HSRP version 2 uses a virtual MAC address of 0000. The configuration of dynamic ACL can be read A Composite Solution With Just One Click .(Topic 5) A network engineer wants to allow a temporary entry for a remote user with a specific username and password so that the user can access the entire network over the Internet. C. dynamic D. E.) A. enabling an administrative form of load balancing. The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.F Explanation: The virtual MAC address of HSRP version 1 is 0000. D. The authentication process is done by the router or a central access server such as a TACACS+ or RADIUS server. B. reflexive Answer: C Explanation: We can use a dynamic access list to authenticate a remote user with a specific username and password.Certification Guaranteed 190 . The virtual IP address and virtual MA+K44C address are active on the HSRP Master router. standard B. For example. where xx is the HSRP group number in hexadecimal based on the respective interface. Question No : 221 .FXXX (XXX: HSRP group in hexadecimal). The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.Cisco 200-125 : Practice Test Which three statements about HSRP operation are true? (Choose three. HSRP group 10 uses the HSRP virtual MAC address of 0000.ACxx. HSRP supports only clear-text authentication. Which ACL can be used? A. extended C. The HSRP default timers are a 3 second hello interval and a 10 second dead interval.AC0A.

cisco. D. -> A is correct. Because of these deficiencies. reducing their utility to that of a network monitor.) InformRequest messages are generally used between NMS stations.C. B.) A.E Explanation: SNMPv1/v2 can neither authenticate the source of a management message nor provide encryption. it is possible for nonauthorized users to exercise SNMP network management functions. Answer: A. InformRequest The InformRequest message allows NMS stations to share trap information. To correct the security deficiencies of SNMPv1/v2. SNMPv3 was issued as a set of Proposed Standards in January 1998.(Topic 5) Which three statements about the features of SNMPv2 and SNMPv3 are true? (Choose three. no network control applications can be supported. SNMPv2 added the Inform protocol message to SNMP. SNMPv2 added the GetBulk protocol message to SNMP. Agents that cannot provide values for all variables in a list will send partial information. SNMPv3 added the GetBulk protocol messages to SNMP. GetBulkRequest allows an agent to respond with as much information as will fit in the response PDU. The two additional messages are added in SNMP2 (compared to SNMPv1) GetBulkRequest The GetBulkRequest message enables an SNMP manager to access large chunks of data. SNMPv3 enhanced SNMPv2 security features.Cisco 200-125 : Practice Test here: http://www. E.com/en/US/tech/tk583/tk822/technologies_tech_note09186a0080094524. -> E is correct. SNMPv2 added the GetNext protocol message to SNMP. C.Certification Guaranteed 191 . shtml Question No : 222 . Without authentication. not between NMS stations and A Composite Solution With Just One Click . (Traps are issued by SNMP agents when a device change occurs. F. SNMPv3 added the Inform protocol message to SNMP. many SNMPv1/v2 implementations are limited to simply a read-only capability. It is also possible for nonauthorized users to eavesdrop on management information as it passes from managed systems to the management system.

Question No : 224 . unspecified address Answer: B Explanation: IPv6 Anycast addresses are used for one-to-nearest communication. anycast C.Cisco 200-125 : Practice Test agents. -> C is correct.Certification Guaranteed 192 . Question No : 223 . 2031:0:130F::9C0:876A:130B Answer: D Explanation: An IPv6 address is represented as eight groups of four hexadecimal digits. 2001:0db8:0000:130F:0000:0000:08GC:140B B. 2001:0db8:0:130H::87C:140B C. The groups are separated by colons (:). 2031::130F::9C0:876A:130B D. meaning an Anycast address is used by a device to send data to one specific recipient (interface) that is the closest out of a group of recipients (interfaces). An example of an A Composite Solution With Just One Click . each group representing 16 bits (two octets). global unicast B. multicast D.(Topic 5) Which IPv6 address is valid? A.(Topic 5) What is known as "one-to-nearest" addressing in IPv6? A. Note: These two messages are carried over SNMPv3.

source address and subnet mask D. by inserting 0xFFFE between the upper three bytes and the lower three bytes of the MAC address E.Certification Guaranteed 193 . by appending 0xFF to the MAC address B. Question No : 225 . destination address and wildcard mask B. The leading 0’s in a group can be collapsed using ::. Question No : 226 . source address and wildcard mask Answer: D Explanation: Standard ACL’s only examine the source IP address/mask to determine if a match is made. as well as port information.(Topic 5) On which options are standard access lists based? A. by prefixing the MAC address with 0xFF and appending 0xFF to it D.Cisco 200-125 : Practice Test IPv6 address is 2001:0db8:85a3:0000:0000:8a2e:0370:7334. Extended ACL’s examine the source and destination address.(Topic 5) How is an EUI-64 format interface ID created from a 48-bit MAC address? A. destination address and subnet mask C. by prefixing the MAC address with 0xF and inserting 0xF after each of its first three bytes Answer: D Explanation: The modified EUI-64 format interface identifier is derived from the 48-bit link-layer (MAC) A Composite Solution With Just One Click . by prefixing the MAC address with 0xFFEE C. but this can only be done once in an IP address.

28.Cisco 200-125 : Practice Test address by inserting the hexadecimal number FFFE between the upper three bytes (OUI field) and the lower three bytes (serial number) of the link layer address. Question No : 227 .252 with a subnet mask of 255. 172. 0::/10 Answer: A Explanation: In IPv6 the loopback address is written as.16.172.0. with the first 127 bits being '0' and the 128th bit being '1'.240. It's just a single address.16.16.255.28.16.16.0 C. ::1 B.0.31.0 D. 172.1 .(Topic 5) Given an IP address 172.0 and the broadcast IP address is 172.16.0. the network range is 172. the network address is 172.254.0 Answer: A Explanation: For this example.31.24.(Topic 5) Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.16. 2000::/3 D. so could also be written as ::1/128.255.1? A. what is the correct network address? A. :: C. Question No : 228 .16. ::1 This is a 128bit number.16.16.16.0 B.Certification Guaranteed 194 . 172. A Composite Solution With Just One Click .16. 172.

With dual stack.(Topic 5) What are three approaches that are used when migrating from an IPv4 addressing scheme to an IPv6 scheme. Utilizing Syslog improves network performance. B.D Explanation: Several methods are used terms of migration including tunneling. configure IPv6 directly C. and dual stack. devices are able to run IPv4 and IPv6 together and if IPv6 communication is possible that is the preferred protocol. Enabling Syslog on a router automatically enables NTP for accurate time stamping.) A. A Composite Solution With Just One Click . enable dual-stack routing B. while translators simply translate IPv6 packets into IPv4 packets.C.) A. translators. use proxying and translation to translate IPv6 packets into IPv4 packets E. C. The Syslog server automatically notifies the network administrator of network problems. E. There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.(Topic 5) Which three statements about Syslog utilization are true? (Choose three. use DHCPv6 to map IPv4 addresses to IPv6 addresses Answer: A. Dual stack uses a combination of both native IPv4 and IPv6. A Syslog server provides the storage space necessary to store log files without using router disk space.Cisco 200-125 : Practice Test Question No : 229 . configure IPv4 tunnels between IPv6 islands D.Certification Guaranteed 195 . Hosts can simultaneously reach IPv4 and IPv6 content. Tunnels are used to carry one protocol inside another. D. statically map IPv4 addresses to IPv6 addresses F. Question No : 230 . (Choose three.

ipv6 neighbor Answer: C Explanation: To enable IPv6 routing on the Cisco router use the following command: ipv6 unicast-routing A Composite Solution With Just One Click . System logging is a method of collecting messages from devices to a server running a syslog daemon. For example. ipv6 unicast-routing D. Reference: http://www. In general. While there are some exceptions." "Syslog daemon. but has more than 6000 Syslog event messages. port 5000)." Syslog messages can be sent via UDP (port 514) and/or TCP (typically." or "Syslog server. or prints them according to a simple configuration file.D. Cisco devices can send their log messages to a UNIX-style syslog service.Certification Guaranteed 196 . a Cisco Catalyst 6500 switch running Cisco IOS Software Release 12. ipv6 host C.Cisco 200-125 : Practice Test F.F Explanation: The Syslog sender sends a small (less than 1KB) text message to the Syslog receiver.2(18)SXF contains about 90 SNMP trap notification messages.(Topic 5) Which command enables IPv6 forwarding on a Cisco router? A.cisco. ipv6 local B. A Syslog server helps in aggregation of logs and alerts.html Question No : 231 . this data is typically sent in clear text over the network. such as SSL wrappers. there are significantly more Syslog messages available within IOS as compared to SNMP Trap messages. A Syslog server provides the storage space necessary to store log files without using router disk space. A syslog service accepts messages and stores them in files. Logging to a central syslog server helps in aggregation of logs and alerts. Answer: C.com/c/en/us/products/collateral/services/highavailability/white_paper_c11-557812. The Syslog receiver is commonly called "syslogd.

Certification Guaranteed 197 . Question No : 232 . service timestamps log datetime msec Answer: B Explanation: A Composite Solution With Just One Click .Cisco 200-125 : Practice Test If this command is not recognized. FF02::3 D. service timestamps log datetime localtime<input type B. service timestamps debug datetime localtime<input type D. FF02::1 B.(Topic 5) Which IPv6 address is the all-router multicast group? A. service timestamps debug datetime msec<input type C. FF02::4 Answer: B Explanation: Well-known IPv6 multicast addresses: Address Description ff02::1 All nodes on the local network segment ff02::2 All routers on the local network segment Question No : 233 . FF02::2 C.(Topic 5) What command instructs the device to timestamp Syslog debug messages in milliseconds? A. your version of IOS does not support IPv6.

Flash B. We can configure this feature with the command logging file flash:filename. The process also sends messages to the console. Question No : 235 . DD is the date. in the format HH:DD:MM:SS. With the additional keyword msec. and SS is the second. The logging process controls the distribution of logging messages to various destinations. router(config)#service timestamps log datetime msec The “service timestamps debug”. where . command configures the system to apply a time stamp to debugging messages. terminal lines (console terminal). such as the logging buffer (on RAM). Other terminals E. Note: Syslog messages can be written to a file in Flash memory although it is not a popular place to use. or a UNIX syslog server.(Topic 5) What are the Popular destinations for syslog messages to be saved? (Choose three) A. Syslog server Answer: B.mmm is milliseconds.mmm.Certification Guaranteed 198 .Cisco 200-125 : Practice Test Enable millisecond (msec) timestamps using the service timestamps command: router(config)#service timestamps debug datetime msec.E Explanation: By default. where MMM is the month. MM is the minute. switches send the output from system messages and debug privileged EXEC commands to a logging process. the system includes milliseconds in the time stamp.(Topic 5) A Composite Solution With Just One Click .C. The console terminal D. The logging buffer . depending on your configuration. Question No : 234 . The timestamp format for datetime is MMM DD HH:MM:SS. HH is the hour (in 24-hour notation).RAM C.

B. Provide an easy management of layer 3 devices.(Topic 5) Refer to the exhibit./21 B. Perform host discovery used DHCPDISCOVER message.0. Answer: C. E. C. Set the IP gateway to be used by the network. DHCP servers assigns IP addresses from a pool of addresses and also assigns other parameters such as DNS and default gateways to hosts. Assign and renew IP address from the default pool. F.0./20 A Composite Solution With Just One Click .) A.Cisco 200-125 : Practice Test Which two tasks does the Dynamic Host Configuration Protocol perform? (Choose two. D. 172.16.Certification Guaranteed 199 . 172. It involves clients and a server operating in a client-server model. Configure IP address parameters from DHCP server to a host. Monitor IP performance using the DHCP server.16.F Explanation: The Dynamic Host Configuration Protocol (DHCP) is a network protocol used to configure devices that are connected to a network (known as hosts) so they can communicate on that network using the Internet Protocol (IP). Question No : 236 .0. Which address range efficiently summarizes the routing table of the addresses for router Main? A.0.

C. 172. Question No : 237 . The active virtual gateway will reply with one of four possible virtual MAC addresses.0. The active virtual gateway will reply with its own hardware MAC address.(Topic 5) A Composite Solution With Just One Click . It replies with different virtual MAC addresses that correspond to different routers (known as Active Virtual Forwarders – AVFs) so that clients can send traffic to different routers in that GLBP group (load sharing).0/18 Answer: B Explanation: The 172.(Topic 5) In GLBP. Question No : 238 . All GLBP member routers will reply in round-robin fashion.16.0 – 172.16.0./20 network is the best option as it includes all networks from 172. The AVG is responsible for replying ARP requests from hosts/clients. In GLBP.16.0.0. Answer: A Explanation: One disadvantage of HSRP and VRRP is that only one router is in use. which router will respond to client ARP requests? A.Cisco 200-125 : Practice Test C. B.16. First a GLBP group must elect an Active Virtual Gateway (AVG).16.0 and does it more efficiently than the /16 and /18 subnets. D.16. 172.0. there is still only one virtual IP address but each router has a different virtual MAC address./16 D. However. The GLBP member routers will reply with one of four possible burned in hardware addresses. Gateway Load Balancing Protocol (GLBP) can use of up to four routers simultaneously. The /21 subnet will not include all the other subnets in this one single summarized address.Certification Guaranteed 200 .0. other routers must wait for the primary to fail because they can be used.

25 D.240 Default Gateway: 192. the router is assigned the first usable host address while the sales server is given the last usable host address.255.240 Default Gateway: 192.168.30 Subnet Mask: 255.20.255.255.(Topic 5) What authentication type is used by SNMPv2? A.20.25 (router) – 192. Which of the following should be entered into the IP properties box for the sales server? A.168.20.20. IP address: 192.30 (used for the sales server).255.30 Subnet Mask: 255.20.1 C.168.Cisco 200-125 : Practice Test An administrator must assign static IP addresses to the servers in a network.248 Default Gateway: 192. IP address: 192.168.24.168.168.25 Answer: C Explanation: For the 192.24.168. HMAC-SHA C.168. the usable hosts are 192.255.20.255.24/29. IP address: 192.30 Subnet Mask: 255.168.255.24/29 network.20.9 B.255.17 E.20.20. HMAC-MD5 B.255.20. For network 192.254 Subnet Mask: 255. IP address: 192. Question No : 239 .0 Default Gateway: 192. IP address: 192.248 Default Gateway: 192. CBC-DES D.255.168.20.14 Subnet Mask: 255.168.20.168.168.Certification Guaranteed 201 . community strings Answer: D Explanation: A Composite Solution With Just One Click .168.

•SNMPv3 — Version 3 of SNMP. and uses the community-based security model of SNMPv1. SNMPv3 provides secure access to devices by a combination of authenticating and encrypting packets over the network. •SNMPv2c — The community-string based Administrative Framework for SNMPv2. SNMPv3 is an interoperable standards-based protocol defined in RFCs 2273 to 2275. SNMP Security Models and Levels Model Level Authentication Encryption What Happens v1 noAuthNoPriv Community String No Uses a community string match for authentication. v3 authNoPriv MD5 or SHA No A Composite Solution With Just One Click . defined in RFC 1157. SNMPv2c is an update of the protocol operations and data types of SNMPv2p (SNMPv2 Classic). v2c noAuthNoPriv Community String No Uses a community string match for authentication.Cisco 200-125 : Practice Test SNMP Versions Cisco IOS software supports the following versions of SNMP: •SNMPv1 — The Simple Network Management Protocol: A Full Internet Standard. SNMPv2c (the "c" stands for "community") is an Experimental Internet Protocol defined in RFC 1901.) Security is based on community strings. v3 noAuthNoPriv Username No Uses a username match for authentication. RFC 1905.Certification Guaranteed 202 . (RFC 1157 replaces the earlier versions that were published as RFC 1067 and RFC 1098. and RFC 1906.

0/29 Answer: D Explanation: Each subnet has 30 hosts < 32 = 25 so we need a subnet mask which has at least 5 bit 0s -> /27.0/23.188.31. Reference: http://www.0/26 B.188. Which IP address range meets these requirements? A.com/c/en/us/td/docs/ios/12_2/configfun/configuration/guide/ffun_c/fcf014.(Topic 5) A Composite Solution With Just One Click .Cisco 200-125 : Practice Test Provides authentication based on the HMAC-MD5 or HMAC-SHA algorithms.188.188.31.h tml Question No : 240 .188. Also the question requires the maximum number of subnets (which minimum the number of hosts-per-subnet) so /27 is the best choice.0/28 D. 10.31.cisco.31. Provides DES 56-bit encryption in addition to authentication based on the CBC-DES (DES-56) standard. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. 10.(Topic 5) You are working in a data center environment and are assigned the address range 10. 10.0/25 C. 10.188.Certification Guaranteed 203 . Question No : 241 . v3 authPriv MD5 or SHA DES Provides authentication based on the HMAC-MD5 or HMAC-SHA algorithms.31.31.0/27 E. 10.

SNMPv2c is an update of the protocol operations and data types of SNMPv2p (SNMPv2 Classic). Error Detection Answer: A.Cisco 200-125 : Practice Test Which three features are added in SNMPv3 over SNMPv2? A.(Topic 5) When a DHCP server is configured. SNMPv3 provides secure access to devices by a combination of authenticating and encrypting packets over the network. SNMPv3 is an interoperable standards-based protocol defined in RFCs 2273 to 2275. + SNMPv3 – Version 3 of SNMP. – Encryption: Scrambling the contents of a packet prevent it from being learned by an unauthorized source. Authentication D. Compression C.C. defined in RFC 1157. Question No : 242 .D Explanation: Cisco IOS software supports the following versions of SNMP: + SNMPv1 – The Simple Network Management Protocol: A Full Internet Standard. (RFC 1157 replaces the earlier versions that were published as RFC 1067 and RFC 1098. Message Integrity B. RFC 1905. and RFC 1906. which two IP addresses should never be assignable to hosts? (Choose two. Encryption E. SNMPv2c (the “c” stands for “community”) is an Experimental Internet Protocol defined in RFC 1901.) A Composite Solution With Just One Click . – Authentication: Determining that the message is from a valid source.Certification Guaranteed 204 . + SNMPv2c – The community-string based Administrative Framework for SNMPv2. and uses the community-based security model of SNMPv1.) Security is based on community strings. The security features provided in SNMPv3 are as follows: – Message integrity: Ensuring that a packet has not been tampered with in transit.

you will receive an error message saying that they can’t be assignable. Dynamic NAT facilitates connections from the outside of the network. NAT has to modify the source IP addresses in the packets -> E is not correct. NAT protects network security because private networks are not advertised.1.0/8 or 13.F Explanation: By not revealing the internal IP addresses.0. Connection from the outside of the network through a “NAT” network is more difficult than a more network because IP addresses of inside hosts are hidden -> C is not correct.Cisco 200-125 : Practice Test A. NAT accelerates the routing process because no modifications are made on the packets. network or subnetwork IP address B. designated IP address to the DHCP server Answer: A. E.B Explanation: Network or subnetwork IP address (for example 11. B. IP address leased to the LAN D.0. When try to assign these addresses to hosts. C. Question No : 243 . NAT eliminates the need to re-address all hosts that require external access. IP address used by the interfaces E.1. manually assigned address to the clients F.0. D.255/24) should never be assignable to hosts. Answer: B. NAT conserves addresses through host MAC-level multiplexing.Certification Guaranteed 205 .2. NAT facilitates end-to-end communication when IPsec is enabled.) A. broadcast address on the network C.(Topic 5) What are two benefits of using NAT? (Choose two. F. A Composite Solution With Just One Click . NAT adds some security to the inside network > F is correct.0/16) and broadcast address (for example 23.

It conserves addresses by allowing many private IP addresses to use the same public IP address to go to the Internet -> C is not correct. The term NMS can be applied to either a dedicated device used for network management. MIB B. A variety of network A Composite Solution With Just One Click . The SNMP framework has three parts: + An SNMP manager + An SNMP agent + A Management Information Base (MIB) The SNMP manager is the system used to control and monitor the activities of network hosts using SNMP. NAT eliminates the need to readdress the inside hosts -> B is correct. SNMP Agent E. The most common managing system is called a Network Management System (NMS).(Topic 5) Which three are the components of SNMP? (Choose three) A.Certification Guaranteed 206 . SysLog Server D.B. Set Answer: A. Question No : 244 .D Explanation: SNMP is an application-layer protocol that provides a message format for communication between SNMP managers and agents. SNMP provides a standardized framework and a common language used for the monitoring and management of devices in a network. By allocating specific public IP addresses to inside hosts. or the applications used on such a device. SNMP Manager C. Encapsulating Security Payload (ESP) and Authentication Header (AH) -> more complex -> A is not correct. including Internet Key Exchange (IKE). NAT does conserve addresses but not through host MAC-level multiplexing.Cisco 200-125 : Practice Test In order for IPsec to work with NAT we need to allow additional protocols.

you must define the relationship between the manager and the agent. 255.248. The SNMP agent is the software component within the managed device that maintains the data for the device and reports these data.0 B.Cisco 200-125 : Practice Test management applications are available for use with SNMP.255. or switch).1111 1110.254. Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses? A. access server.255. 255. These features range from simple command-line applications to feature-rich graphical user interfaces (such as the CiscoWorks2000 line of products).0 A Composite Solution With Just One Click . To enable the SNMP agent on a Cisco routing device.(Topic 5) Refer to the exhibit. as needed. 255.Certification Guaranteed 207 .255.255.255.255. 255. The agent and MIB reside on the routing device (router.0000 0000 -> 255.0 Answer: B Explanation: 310 hosts < 512 = 29 -> We need a subnet mask of 9 bits 0 -> 1111 1111.254.0 D.0 C. which consists of collections of managed objects.252.1111 1111. Question No : 245 . The Management Information Base (MIB) is a virtual information storage area for network management information. to managing systems.

C.D.Cisco 200-125 : Practice Test Question No : 246 . each group representing 16 bits (two octets). GLBP supports up to 1024 virtual routers. GLBP is an open source standardized protocol that can be used with multiple vendors. FEC0:ABCD:WXYZ:0067::2A4 D. E. D.(Topic 5) Which option is a valid IPv6 address? A.(Topic 5) A Composite Solution With Just One Click . Question No : 248 . GLBP supports clear text and MD5 password authentication between GLBP group members. The leading 0’s in a group can be collapsed using ::. 2004:1:25A4:886F::1 Answer: D Explanation: An IPv6 address is represented as eight groups of four hexadecimal digits. GLBP can load share traffic across a maximum of four routers. F. GLBP elects two AVGs and two standby AVGs for redundancy.E Question No : 247 . but this can only be done once in an IP address. The groups are separated by colons (:). GLBP supports up to eight virtual forwarders per GLBP group.(Topic 5) What are three benefits of GLBP? (Choose three.) A.Certification Guaranteed 208 . 2001:0000:130F::099a::12a B. B. Answer: B. 2002:7654:A1AD:61:81AF:CCC1 C. An example of an IPv6 address is 2001:0db8:85a3:0000:0000:8a2e:0370:7334.

In IPv6. the transmission of a packet to all hosts on the attached link using a special broadcast address. This feature was critical to allow network connectivity to an increasing number of mobile devices.Cisco 200-125 : Practice Test What are three features of the IPv6 protocol? (Choose three.e.E Explanation: An important feature of IPv6 is that it allows plug and play option to the network devices by allowing them to configure themselves independently.Certification Guaranteed 209 . IPv6 does not implement traditional IP broadcast. i.C.0. and therefore does not define broadcast addresses. no broadcasts D. A Composite Solution With Just One Click . the same result can be achieved by sending a packet to the link-local all nodes multicast group at address ff02::1. It is possible to plug a node into an IPv6 network without requiring any human intervention.1. complicated header E. plug-and-play F.(Topic 5) Refer to the exhibit.0. autoconfiguration C. Question No : 249 . optional IPsec B.) A. This is accomplished by autoconfiguration. checksums Answer: B. which is analogous to IPv4 multicast to address 224.

(Topic 5) Refer to the diagram.16.0 /17 F.0.0/18.0 /24 D.0.0 /16 B. 172.0.0 /20 C. All these 3 subnets have the same form of 172.32.16.16.16. 172.16.128. The smallest subnet mask of these 3 subnets is /18 so our summarized subnet must also have its subnet mask equal or smaller than /18.0. what summary address would be sent from router A? A.0 /16 E.64. 172. 172. -> Only answer A has these 2 conditions ->.64.0 /16 Answer: A Explanation: Router A receives 3 subnets: 172.16.Cisco 200-125 : Practice Test In this VLSM addressing scheme.0/18. 172.x so our summarized subnet must be also in that form -> Only A. 172. A Composite Solution With Just One Click .32. Question No : 250 .0.Certification Guaranteed 210 .16.0.0/24 and 172.x. B or . 172.32.

16.(Topic 5) A Composite Solution With Just One Click .25 can be assigned to hosts in VLAN1: The usable host range in this subnet is 172. The IP address 172.126 The LAN interface of the router is configured with multiple IP addresses: The router will need 2 subinterfaces for the single physical interface. The LAN interface of the router is configured with one IP address.128. The IP address 172.C.Certification Guaranteed 211 . F.16. The LAN interface of the router is configured with multiple IP addresses. Answer: B. Which statements describe the addressing scheme that is in use in the network? (Choose three.255.255.25 can be assigned to hosts in VLAN1 D. C.1.Cisco 200-125 : Practice Test All hosts have connectivity with one another.205 can be assigned to hosts in VLAN1 E.) A.128: This is subnet mask will support up to 126 hosts.1. Question No : 251 . one with an IP address that belongs in each VLAN.16.F Explanation: The subnet mask in use is 255.255. The subnet mask in use is 255.255.255.255.1-172. which is needed.1. B.16.1. The IP address 172.16.1.192. The subnet mask in use is 255.

) A. The AVG is responsible for answering Address Resolution Protocol (ARP) requests for the virtual IP address.C Explanation: IPv6 addresses are classified by the primary addressing and routing methodologies common in networking: unicast addressing.(Topic 5) Which two are features of IPv6? (Choose two.cisco. Active Router D. allcast Answer: A. AVF B. Reference: http://www. Other group members provide backup for the AVG in the event that the AVG becomes unavailable. The AVG assigns a virtual MAC address to each member of the GLBP group. anycast B. AVG C. These gateways are known as active virtual forwarders (AVFs) for their virtual MAC address. multicast D. anycast addressing. podcast E.html Question No : 252 . Each gateway assumes responsibility for forwarding packets sent to the virtual MAC address assigned to it by the AVG. A Composite Solution With Just One Click .com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_glbp. who is responsible for the ARP request? A. broadcast C. and multicast addressing.Cisco 200-125 : Practice Test In a GLBP network. Load sharing is achieved by the AVG replying to the ARP requests with different virtual MAC addresses. Standby Router Answer: B Explanation: Members of a GLBP group elect one gateway to be the active virtual gateway (AVG) for that group.Certification Guaranteed 212 .

E. Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.Cisco 200-125 : Practice Test ✑ A unicast address identifies a single network interface. typically the nearest host. according to the routing protocol’s definition of distance. A packet sent to an anycast address is delivered to just one of the member interfaces. The Internet Protocol delivers packets sent to a unicast address to that specific interface. A single interface may be assigned multiple IPv6 addresses of any type.) A. B. ✑ An anycast address is assigned to a group of interfaces. multicast). anycast.Certification Guaranteed 213 . and broadcast. Answer: B. and differ only by their presence in the network at multiple points. C. usually belonging to different nodes. which acquire the multicast address destination by participating in the multicast distribution protocol among the network routers. ✑ Optionally. Anycast addresses cannot be identified easily.(Topic 5) A Composite Solution With Just One Click . There are four types of IPv6 addresses: unicast. The first 64 bits represent the dynamically created interface ID.C Explanation: ✑ A single interface may be assigned multiple addresses of any type (unicast. ✑ Every IPv6-enabled interface must contain at least one loopback and one link-local address. ✑ A multicast address is also used by multiple hosts. Almost any unicast address can be employed as an anycast address. Question No : 253 . Every IPv6 interface contains at least one loopback address. anycast. they have the same format as unicast addresses. D. multicast. A packet that is sent to a multicast address is delivered to all interfaces that have joined the corresponding multicast group.(Topic 5) Which two of these statements are true of IPv6 address representation? (Choose two. Reference: IPv6 Addressing at a Glance – Cisco PDF Question No : 254 . every interface can have multiple unique local and global addresses.

trying to extend its current lease with any server that will allow it to do so. then when it reboots or starts up after being shut down. ✑ Renewal: After a certain portion of the lease time has expired. it is similar to the full allocation process but shorter. ✑ Reallocation: If a client already has an address from an existing lease. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. which periodically contact the DHCP server to renew the lease. a new request for an address must be made. Answer: D Explanation: The DHCP lifecycle consists of the following: ✑ Allocation: A client begins with no active lease. Question No : 255 .(Topic 5) Refer to the exhibit. the client functions normally. D. it will contact the DHCP server that granted it the lease to confirm the lease and acquire operating parameters. at the end of the period.Certification Guaranteed 214 . then the client will try to rebind to any active DHCP server. Addresses are permanently assigned so that the hosts uses the same address at all times. C. B. and hence. Addresses are leased to hosts. and may terminate the lease. The client is said to be bound to the lease and the address. no DHCP-assigned address. ✑ Rebinding.Cisco 200-125 : Practice Test Which statement describes the process of dynamically assigning IP addresses by the DHCP server? A. using its assigned IP address and other parameters during the “main part” of the lease. the client will attempt to contact the server that initially granted the lease. It acquires a lease through a process of allocation. ✑ Release: The client may decide at any time that it no longer wishes to use the IP address it was assigned. Addresses are assigned for a fixed period of time. for example. to renew the lease so it can keep using its IP address. releasing the IP address. the server has been taken offline). If renewal with the original leasing server fails (because. ✑ Normal Operation: Once a lease is active. A Composite Solution With Just One Click . This is sometimes called reallocation.

168. C. It ensures the best VRRP router is the virtual router master for the group. Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses? A.168. 192. 192. B.64/26 D. 8bits+ 8bits+ 8bits + 2bits = /26 /26 bits subnet is 24bits + 11000000 = 24bits + 192 256 – 192 = 64 0 -63 64 – 127 Question No : 256 .Cisco 200-125 : Practice Test A new subnet with 60 hosts has been added to the network. D. It thwarts man-in-the-middle attacks.1.Certification Guaranteed 215 .56/27 C.64/27 Answer: C Explanation: A subnet with 60 host is 2*2*2*2*2*2 = 64 -2 == 62 6 bits needed for hosts part. 192.1. 192. Answer: B A Composite Solution With Just One Click .168.1.168.(Topic 5) Which statement describes VRRP object tracking? A. Therefore subnet bits are 2 bits (8-6) in fourth octet.1. It monitors traffic flow and link utilization.56/26 B. It causes traffic to dynamically move to higher bandwidth links.

a /25 is required for 120 hosts and again A Composite Solution With Just One Click .3. All of the routers in the network are configured with the ip subnet-zero command.48/26 B.172.(Topic 5) Refer to the exhibit.16. Which network addresses should be used for Link A and Network A? (Choose two. Question No : 257 . Also. Network A .16.0/30 is valid. Link A . Link A .128/25 C.112/30 Answer: B.0/30 E. 172.172.3.172.3.172. Link A .192/26 D.172.40/30 F.3.16.) A.16.16.16. Network A .3.16.172.3.Certification Guaranteed 216 . Network A .3.D Explanation: Only a /30 is needed for the point to point link and sine the use of the ip subnet-zero was used.Cisco 200-125 : Practice Test Explanation: Object tracking is the process of tracking the state of a configured object and uses that state to determine the priority of the VRRP router in a VRRP group.

(Topic 5) A Composite Solution With Just One Click . Alert D. Question No : 258 . that level and all the higher levels will be logged.Certification Guaranteed 217 . alerts.C. For example. conditions exist 6 informational Informational messages 7 debugging Debugging messages If you specify a level with the “logging trap level” command.D.3. Warning Answer: A.E Explanation: The Message Logging is divided into 8 levels as listed below: Level Keyword Description 0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist 3 errors Error conditions exist 4 warnings Warning conditions exist 5 notification Normal. Emergency B. by using the “logging trap 4 command. Error E.128/25 is the best. Question No : 259 . all the logging of emergencies.16.Cisco 200-125 : Practice Test 172. errors.(Topic 5) What levels will be trapped if the administrator executes the command router(config)# logging trap 4 (Choose four) A. valid option. critical. but significant. warnings will be logged. Notice C.

252.0 B. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Only the ISP router will have the capability to access the public network. D. A routing prefix is the sequence of leading bits of an IP address that precede the portion of A Composite Solution With Just One Click .) A. A conflict of IP addresses happens. Addresses in a private range will not be routed on the Internet backbone.255.255.Cisco 200-125 : Practice Test What will happen if a private IP address is assigned to a public interface connected to an ISP? A.E Explanation: Subnetting is used to break the network into smaller more efficient subnets to prevent excessive rates of Ethernet packet collision in a large network.128 C.192 F. because other public routers can use the same range.224 E. which of the following subnet masks will support an appropriate addressing scheme? (Choose two.0 Answer: B. 255. Answer: A Explanation: Private RFC 1918 IP addresses are meant to be used by organizations locally within their own network only.255. B. and cannot be used globally for Internet use.Certification Guaranteed 218 . Such subnets can be arranged hierarchically.255.255. 255. 255.255.248.255.255.255. C.(Topic 5) A national retail chain needs to design an IP addressing scheme to support a nationwide network. 255. Question No : 260 . Routers are used to manage traffic and constitute borders between subnets. with the organization's network address space (see also Autonomous System) partitioned into a tree-like structure. Working with only one Class B address.0 D. The NAT process will be used to translate this address to a valid IP address.255. 255. 255.

Cisco 200-125 : Practice Test
the address used as host identifier. In IPv4 networks, the routing prefix is often expressed
as a "subnet mask", which is a bit mask covering the number of bits used in the prefix. An
IPv4 subnet mask is frequently expressed in quad-dotted decimal representation, e.g.,
255.255.255.0 is the subnet mask for the 192.168.1.0 network with a 24-bit routing prefix
(192.168.1.0/24).

Topic 6, Infrastructure Security

Question No : 261 - (Topic 6)
What will be the result if the following configuration commands are implemented on a Cisco
switch?
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address sticky
A. A dynamically learned MAC address is saved in the startup-configuration file.
B. A dynamically learned MAC address is saved in the running-configuration file.
C. A dynamically learned MAC address is saved in the VLAN database.
D. Statically configured MAC addresses are saved in the startup-configuration file if frames
from that address are received.
E. Statically configured MAC addresses are saved in the running-configuration file if frames
from that address are received.
Answer: B
Explanation:
In the interface configuration mode, the command switchport port-security mac-address
sticky enables sticky learning. When entering this command, the interface converts all the
dynamic secure MAC addresses to sticky secure MAC addresses.

Question No : 262 - (Topic 6)
A Composite Solution With Just One Click - Certification Guaranteed

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Cisco 200-125 : Practice Test
Which set of commands is recommended to prevent the use of a hub in the access layer?
A. switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security maximum 1
B. switch(config-if)#switchport mode trunk
switch(config-if)#switchport port-security mac-address 1
C. switch(config-if)#switchport mode access
switch(config-if)#switchport port-security maximum 1
D. switch(config-if)#switchport mode access
switch(config-if)#switchport port-security mac-address 1
Answer: C
Explanation:
This question is to examine the layer 2 security configuration.
In order to satisfy the requirements of this question, you should perform the following
configurations in the interface mode:
First, configure the interface mode as the access mode
Second, enable the port security and set the maximum number of connections to 1.

Question No : 263 - (Topic 6)
How does using the service password-encryption command on a router provide additional
security?
A. by encrypting all passwords passing through the router
B. by encrypting passwords in the plain text configuration file
C. by requiring entry of encrypted passwords for access to the device
D. by configuring an MD5 encrypted key to be used by routing protocols to validate routing
exchanges
E. by automatically suggesting encrypted passwords for use in configuring the router
Answer: B
Explanation:
By using this command, all the (current and future) passwords are encrypted. This
command is primarily useful for keeping unauthorized individuals from viewing your
password in your configuration file

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Question No : 264 - (Topic 6)
A network administrator needs to configure port security on a switch. Which two statements
are true? (Choose two.)
A. The network administrator can apply port security to dynamic access ports.
B. The network administrator can apply port security to EtherChannels.
C. When dynamic MAC address learning is enabled on an interface, the switch can learn
new addresses, up to the maximum defined.
D. The sticky learning feature allows the addition of dynamically learned addresses to the
running configuration.
E. The network administrator can configure static secure or sticky secure MAC addresses
in the voice VLAN.
Answer: C,D
Explanation:
Follow these guidelines when configuring port security:
+ Port security can only be configured on static access ports, trunk ports, or 802.1Q tunnel
ports.
+ A secure port cannot be a dynamic access port.
+ A secure port cannot be a destination port for Switched Port Analyzer (SPAN).
+ A secure port cannot belong to a Fast EtherChannel or Gigabit EtherChannel port group.
+ You cannot configure static secure or sticky secure MAC addresses on a voice VLAN.
+ When you enable port security on an interface that is also configured with a voice VLAN,
you must set the maximum allowed secure addresses on the port to at least two.
+ If any type of port security is enabled on the access VLAN, dynamic port security is
automatically enabled on the voice VLAN.
+ When a voice VLAN is configured on a secure port that is also configured as a sticky
secure port, all addresses seen on the voice VLAN are learned as dynamic secure
addresses, and all addresses seen on the access VLAN (to which the port belongs) are
learned as sticky secure addresses.
+ The switch does not support port security aging of sticky secure MAC addresses.
+ The protect and restrict options cannot be simultaneously enabled on an interface.
(Reference:
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Cisco 200-125 : Practice Test
http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_19_ea1
/configuration/guide/swtrafc.html)

Question No : 265 - (Topic 6)
Refer to exhibit.

A network administrator cannot establish a Telnet session with the indicated router. What is
the cause of this failure?

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Cisco 200-125 : Practice Test
A. A Level 5 password is not set.
B. An ACL is blocking Telnet access.
C. The vty password is missing.
D. The console password is missing.
Answer: C
Explanation:
The login keyword has been set, but not password. This will result in the “password
required, but none set” message to users trying to telnet to this router.

Question No : 266 - (Topic 6)
Refer to the exhibit.

An attempt to deny web access to a subnet blocks all traffic from the subnet. Which
interface command immediately removes the effect of ACL 102?
A. no ip access-class 102 in
B. no ip access-class 102 out

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Cisco 200-125 : Practice Test
C. no ip access-group 102 in
D. no ip access-group 102 out
E. no ip access-list 102 in
Answer: D
Explanation:
The “ip access-group” is used to apply and ACL to an interface. From the output shown, we
know that the ACL is applied to outbound traffic, so “no ip access-group 102 out” will
remove the effect of this ACL.

Question No : 267 - (Topic 6)
What can be done to secure the virtual terminal interfaces on a router? (Choose two.)
A. Administratively shut down the interface.
B. Physically secure the interface.
C. Create an access list and apply it to the virtual terminal interfaces with the access-group
command.
D. Configure a virtual terminal password and login process.
E. Enter an access list and apply it to the virtual terminal interfaces using the access-class
command.
Answer: D,E
Explanation:
It is a waste to administratively shut down the interface. Moreover, someone can still
access the virtual terminal interfaces via other interfaces ->
We cannot physically secure a virtual interface because it is “virtual” ->.
To apply an access list to a virtual terminal interface we must use the “access-class”
command. The “access-group” command is only used to apply an access list to a physical
interface -> C is not correct.
The most simple way to secure the virtual terminal interface is to configure a username &
password to prevent unauthorized login.

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Question No : 268 - (Topic 6)
Which item represents the standard IP ACL?
A. access-list 110 permit ip any any
B. access-list 50 deny 192.168.1.1 0.0.0.255
C. access list 101 deny tcp any host 192.168.1.1
D. access-list 2500 deny tcp any host 192.168.1.1 eq 22
Answer: B
Explanation:
The standard access lists are ranged from 1 to 99 and from 1300 to 1999 so only access
list 50 is a standard access list.

Question No : 269 DRAG DROP - (Topic 6)
Drag the security features on the left to the specific security risks they help protect against
on the right. (Not all options are used.)

Answer:

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Question No : 271 . in this cast the two hosts in line C and D. B.Cisco 200-125 : Practice Test Question No : 270 . and D of ACL 10 have been entered in the shown order and applied to interface E0 inbound. C. the ACL does not restrict anyone from the network.(Topic 6) A Composite Solution With Just One Click .Certification Guaranteed 226 . ACDB B. even if a more specific of better match is found later on in the access list. How can the ACL statements be re-arranged so that the system works as intended? A. it it best to begin with the most specific entries first. include the subnet (B) and then finally the rest of the traffic (A).128/28) from accessing the network. DBAC D. Then. CDBA Answer: D Explanation: Routers go line by line through an access list until a match is found and then will not look any further.(Topic 6) Refer to the exhibit.1. to prevent all hosts (except those whose addresses are the first and last IP of subnet 172.21. But as is. So. Statements A. BADC C.

which command would you use to verify which interfaces are affected by the ACL? A. A junior network administrator was given the task of configuring port security on SwitchA to A Composite Solution With Just One Click . Question No : 272 .Certification Guaranteed 227 .Cisco 200-125 : Practice Test When you are troubleshooting an ACL issue on a router.(Topic 6) Refer to the exhibit. list ip interface Answer: D Explanation: Incorrect answer: show ip access-lists does not show interfaces affected by an ACL. show ip interface E. show ip access-lists B. show interface D. show access-lists C.

0.168.1. would you use to accomplish this task? (Choose two.Cisco 200-125 : Practice Test allow only PC_A to access the switched network through port fa0/1. the port is to drop frames from this device. Which two ACL statements. access-list 10 permit ip 192.255. access-list 10 permit ip 192.147.Certification Guaranteed 228 .255. the maximum number of devices is set to 2 so this needs to be just one if we want the single host to have access and nothing else.255. access-list 10 permit ip 192. and then observes the output from these two show commands.255 E.255 F. The administrator configured the interface and tested it with successful pings from PC_A to RouterA.0.146. Port security needs to be configured to allow only one learned MAC address.148. Port security needs to be globally enabled.168.168. access-list 10 permit ip 192.0 0. 192.255.) A. C.168.168. If any other device is detected.C A Composite Solution With Just One Click . when combined.0.0.255 B.148. access-list 10 permit ip 192.146. 192.0. Port security needs to be configured to shut down the interface in the event of a violation.0 0. Which two of these changes are necessary for SwitchA to meet the requirements? (Choose two.0.0 Answer: A. B.1.168. access-list 10 permit ip 192. D.168.) A.149.0 0.0 255. Answer: B.0.146.0. and 192. The port security configuration needs to be saved to NVRAM before it can become active.149.168.168.255 C.146.(Topic 6) A network administrator is configuring ACLs on a Cisco router. F.0.255 D. Port security needs to be enabled on the interface.0 only. to allow traffic from hosts on networks 192.147.0 0. Also.168.D Explanation: From the output we can see that port security is disabled so this needs to be enabled. Port security interface counters need to be cleared before using the show command. Question No : 273 . E.0 0.

168.0 and 192.0.0 networks.0 networks.148.0 0.168.255” would allow only the 192.) A.FFFF.168.1. Only host A will be allowed to transmit frames on fa0/1.0 0. The following commands are executed on interface fa0/1 of 2950Switch.168.146. Question No : 274 .Cisco 200-125 : Practice Test Explanation: “access-list 10 permit ip 192. B.Certification Guaranteed 229 .148.147.0 and 192.255” would allow only the 192.(Topic 6) Refer to the exhibit.149. 2950Switch(config-if)# switchport port-security 2950Switch(config-if)# switchport port-security mac-address sticky 2950Switch(config-if)# switchport port-security maximum 1 The Ethernet frame that is shown arrives on interface fa0/1. A Composite Solution With Just One Click .146.168. and “access-list 10 permit ip 192.1.168. The MAC address table will now have an additional entry of fa0/1 FFFF.FFFF. What two functions will occur when this frame is received by 2950Switch? (Choose two.0.

This frame will be discarded when it is received by 2950Switch. Answer: B. All frames arriving on 2950Switch with a destination of 0000. BPDU Guard E. specifically port security using sticky addresses. but sticky MAC addresses can be learned dynamically. the port does not forward ingress traffic that has source addresses outside the group of defined addresses. Question No : 275 .aaaa will be forwarded out fa0/1.00aa. BackboneFast B. When you assign secure MAC addresses to a secure port. You can use port security with dynamically learned and static MAC addresses to restrict a port's ingress traffic by limiting the MAC addresses that are allowed to send traffic into the port. will be forwarded out fa0/1. Port security with sticky MAC addresses provides many of the same benefits as port security with static MAC addresses.Certification Guaranteed 230 . Only frames from source 0000. the first learned MAC address of 2950Switch. Port security with sticky MAC addresses retains dynamically learned MAC addresses during a link-down condition. BPDU Filter Answer: D Explanation: A Composite Solution With Just One Click . D.Cisco 200-125 : Practice Test C. F.00bb. E. UplinkFast C.bbbb.(Topic 6) Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU? A.D Explanation: The configuration shown here is an example of port security. If you limit the number of secure MAC addresses to one and assign a single secure MAC address. Hosts B and C may forward frames out fa0/1 but frames arriving from other switches will not be forwarded out fa0/1. Root Guard D. the device attached to that port has the full bandwidth of the port.

Question No : 276 . SW1#show running-config D.Certification Guaranteed 231 .Cisco 200-125 : Practice Test We only enable PortFast feature on access ports (ports connected to end stations). SW1#show switchport port-security interface FastEthernet 0/12 Answer: C.D Explanation: We can verify whether port security has been configured by using the “show runningconfig” or “show port-security interface” for more detail. it will be shut down to prevent a loop.(Topic 6) Which two commands correctly verify whether port security has been configured on port FastEthernet 0/12 on a switch? (Choose two. With BPDU Guard. But if someone does not know he can accidentally plug that port to another switch and a loop may occur when BPDUs are being transmitted and received on these ports. An example of the output of “show port-security interface” command is shown below: A Composite Solution With Just One Click . SW1#show port-secure interface FastEthernet 0/12 B. when a PortFast receives a BPDU. SW1#show port-security interface FastEthernet 0/12 E. SW1#show switchport port-secure interface FastEthernet 0/12 C.) A.

Certification Guaranteed 232 . all other traffic should be allowed. No other hosts will have web access to the Finance Web Server. Since there are multiple resources for the corporation at this location including other resources on the Finance Web Server. You can configure one access list. per direction and per interface. The task is to create and apply an access-list with no more than three statements that will allow ONLY host C web access to the Finance Web Server. D.Cisco 200-125 : Practice Test Question No : 277 . The user on host C should be able to use a web browser to access financial information from the Finance Web Server.(Topic 6) Which statement about access lists that are applied to an interface is true? A.(Topic 6) A network associate is adding security to the configuration of the Corp1 router. All passwords have been temporarily set to "cisco". All other traffic is permitted. You can apply multiple access lists with the same protocol or in different directions. It means: + We cannot have 2 inbound access lists on an interface + We can have 1 inbound and 1 outbound access list on an interface Question No : 278 CORRECT TEXT . Access to the router CLI can be gained by clicking on the appropriate host. A Composite Solution With Just One Click . Answer: C Explanation: We can have only 1 access list per protocol. per direction. No other hosts from the LAN nor the Core should be able to use a web browser to access this server. per Layer 3 protocol. C. B. You can apply only one access list on any interface. You can place as many access lists as you want on any interface.

242.23 eq 80 comment: To permit ip protocol from any source to access any destination because of the implicit deny any any statement at the end of ACL.33.242.23) {destination addr} on port number 80 (web) Corp1(config)#access-list 100 deny tcp any host 172.196. Answer: Select the console on Corp1 router Configuring ACL Corp1>enable Corp1#configure terminal comment: To permit only Host C (192.168.168.242.30.33.33.168.18.22.23 eq 80 comment: To deny any source to access finance server address (172.33.22.65.168.3 ✑ host D 192.168.33.1 192.3 host 172.Cisco 200-125 : Practice Test The Core connection uses an IP address of 198.33.1 ✑ host B 192.168. The computers in the Hosts LAN have been assigned addresses of 192.2 ✑ host C 192. The Finance Web Server is assigned an IP address of 172.22.168.33.242.Certification Guaranteed 233 . Corp1(config)#access-list 100 permit ip any any Applying the ACL on the Interface A Composite Solution With Just One Click .242.168.22.22.242.23.3){source addr} to access finance server address (172.17 172.254 ✑ host A 192.22.23) {destination addr} on port number 80 (web) Corp1(config)#access-list 100 permit tcp host 192.4 The servers in the Server LAN have been assigned addresses of 172.242.33.22.

Corp1#copy running-config startup-config Verifying the Configuration: Step1: show ip interface brief command identifies the interface on which to apply access list.Certification Guaranteed 234 .23) to test whether it permits /deny access to the finance web Server.3) has access to the server.33.x. Select address box of the web browser and type the ip address of finance web server (172. C.17 .x.33. tracert C.x.30 ) Comment: Place the ACL to check for packets going outside the interface towards the finance web server. Check whether you configured correctly and in order. If the other host can also access then maybe something went wrong in your configuration. This should be corrected in order ACL to work type this commands at interface mode : no ip address 192.x (removes incorrect configured ipaddress and subnet mask) Configure Correct IP Address and subnet mask: ip address 172. Step 4: If only Host C (192.22.Cisco 200-125 : Practice Test comment: Check show ip interface brief command to identify the interface type and number by checking the IP address configured.22.22.242. & D.(Topic 7) Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.242.240 ( range of address specified going to server is given as 172.168.22. Corp1(config-if)#ip access-group 100 out Corp1(config-if)#end Important: To save your running config to startup before exit.168. B.x 255.) A. ipconfig A Composite Solution With Just One Click . ping B.242. Step2: Click on each host A.3) can access the Finance Web Server you can click on NEXT button to successfully submit the ACL SIM. Step 3: Only Host C (192.242.255. Infrastructure Management Question No : 279 . Host opens a web browser page.x.30 255.255. Topic 7. Corp1(config)#interface fa 0/1 If the ip address configured already is incorrect as well as the subnet mask.172.

show ip route E.Certification Guaranteed 235 .Cisco 200-125 : Practice Test D. and winipcfg are PC commands. winipcfg F. Note: A managed device is a part of the network that requires some form of monitoring and management (routers.D. Tracert. show ip route. servers. switches. Question No : 280 . IP SLA D. SNMP Answer: D Explanation: Sometimes.(Topic 7) A Composite Solution With Just One Click . messages like this might appear in the router console: %SNMP-3-CPUHOG: Processing [chars] of [chars] They mean that the SNMP agent on the device has taken too much time to process a request. ipconfig.(Topic 7) Which protocol can cause overload on a CPU of a managed device? A. workstations. Question No : 281 . WCCP C. Netflow B. not IOS. show interfaces Answer: A. printers…). and show interfaces are all valid troubleshooting IOS commands.F Explanation: Ping. You can determine the cause of high CPU use in a router by using the output of the show process cpu command.

SW1 and SW2 are also connected to the routers R4 and R5. respectively. The EIGRP routing protocol is configured. and R3 with serial links. R2. R2 and R3 are connected to the switches SW1 and SW2. Use the appropriate show commands to troubleshoot the issues. A Composite Solution With Just One Click . You are required to troubleshoot and resolve the EIGRP issues between the various routers.Cisco 200-125 : Practice Test Scenario Refer to the topology.Certification Guaranteed 236 . Your company has connected the routers R1.

Certification Guaranteed 237 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Cisco 200-125 : Practice Test A Composite Solution With Just One Click .Certification Guaranteed 238 .

Certification Guaranteed 239 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

The AS does not match.Certification Guaranteed 240 . D.Cisco 200-125 : Practice Test Router R6 does not form an EIGRP neighbor relationship correctly with router R1. C. The K values mismatch. Answer: C Explanation: The link from R1 to R6 is shown below: A Composite Solution With Just One Click . The network command is missing. B. What is the cause for this misconfiguration? A. The passive interface command is enabled.

Cisco 200-125 : Practice Test As you can see. they are both using e0/0.168.16. The IP addresses are in the 192.0 network: A Composite Solution With Just One Click .Certification Guaranteed 241 .

Cisco 200-125 : Practice Test But when we look at the EIGRP configuration. Question No : 282 DRAG DROP .(Topic 7) A user is unable to connect to the Internet.0” command is missing on R6. drag each procedure on the left to its proper category on the right. the “network 192. Answer: A Composite Solution With Just One Click . Based on the layered approach to troubleshooting and beginning with the lowest layer.Certification Guaranteed 242 .16.168.

2) and TCP/IP stack (layer 3) are working properly. We do this by simply making a ping to the loopback interface 127. straight-through. We are using a URL so this step belongs to layer 7 of the OSI model. Question No : 283 .0.) A Composite Solution With Just One Click . Verify IP configuration belongs to layer 3.(Topic 7) What are three reasons to collect Netflow data on a company network? (Choose three. rollover…) is correct. the RJ45 headers are plugged in.Cisco 200-125 : Practice Test Explanation: The question asks us to “begin with the lowest layer” so we have to begin with Layer 1: verify physical connection. If it works then the NIC card (layer 1. For example.com to assure that the far end server is not down (it sometimes make we think we can’t access to the Internet).1. the signal on the cable is acceptable… Next we “verify NIC operation”. “verify Ethernet cable connection” means that we check if the type of connection (crossover. microsoft. in this case an Ethernet cable connection.com.Certification Guaranteed 243 .0. For your information. checking if the IP can be assignable for host. the PC’s IP is in the same network with the gateway… Verifying the URL by typing in your browser some popular websites like google.

D. E.or under-subscribed. B. bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools. To confirm the appropriate amount of bandwidth that has been allocated to each Class of Service. -> D is correct. + Troubleshooting and understanding network pain points Diagnose slow network performance. -> A is correct. A Composite Solution With Just One Click .Certification Guaranteed 244 . To authorize user network access. bandwidth hogs. + Analyze new applications and their network impact Identify new application network loads such as VoIP or remote site additions. To detect suboptimal routing in the network.-> F is correct. C.Cisco 200-125 : Practice Test A. To report and alert link up / down instances. Answer: A. + Security and anomaly detection NetFlow can be used for anomaly detection and worm diagnosis along with applications such as Cisco CS-Mars. understand who is utilizing the network and the network top talkers.(Topic 7) Refer to the exhibit. Question No : 284 . and bandwidth utilization. + Detection of unauthorized WAN traffic Avoid costly upgrades by identifying the applications causing congestion.D.F Explanation: NetFlow facilitates solutions to many common problems encountered by IT professionals. F. To identify applications causing congestion. + Validation of QoS parameters Confirm that appropriate bandwidth has been allocated to each Class of Service (CoS) and that no CoS is over. + Reduction in peak WAN traffic Use NetFlow statistics to measure WAN traffic improvement from application-policy changes. To diagnose slow network performance.

F. after broken links are re-established C.Cisco 200-125 : Practice Test A network administrator attempts to ping Host2 from Host1 and receives the results that are shown. The default gateway on Host1 is incorrect. Question No : 285 . when upper-layer protocols require high reliability D. E. B. The message destination host unreachable from Router1 indicates that the problem occurs when the data is forwarded from Host1 to Host2. According to the topology. Interface Fa0/0 on Router1 is shutdown. The link between Router1 and Router2 is down. during high traffic periods B. The link between Switch1 and Router1 is down. Answer: C Explanation: Host1 tries to communicate with Host2. The link between Host1 and Switch1 is down. What is the problem? A.Certification Guaranteed 245 .(Topic 7) In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN? A. we can infer that the link between Router1 and Router2 is down. D. TCP/IP is not functioning on Host1 C. in an improperly implemented redundant topology A Composite Solution With Just One Click .

Question No : 286 .(Topic 7) Refer to the exhibit. The Fa0/0 interface on RouterA is on a subnet that can't be used. E. The Fa0/0 interface on RouterB is using a broadcast address. The address of SwitchA is a subnet address. when a dual ring topology is in use Answer: D Explanation: If we connect two switches via 2 or more links and do not enable STP on these switches then a loop (which creates multiple copies of the same unicast frame) will occur.Certification Guaranteed 246 . A Composite Solution With Just One Click . HostA is not on the same subnet as its default gateway. B. Assuming routing is properly configured. what is the cause of this problem? A. It is an example of an improperly implemented redundant topology. C. HostA cannot ping HostB. D. The serial interfaces of the routers are not on the same subnet.Cisco 200-125 : Practice Test E.

basic statistics about A Composite Solution With Just One Click . Also shown is a show MLS command to view the hardware cache on the Cisco Catalyst 6500 Series Switch.1.32 Broadcast address: 192. show mls netflow ip Answer: C Explanation: The following is an example of how to visualize the NetFlow data using the CLI. The following is the original NetFlow show command used for many years in Cisco IOS Software.62/27: Increment: 32 Network address: 192.1.168. There are three methods to visualize the data depending on the version of Cisco IOS Software.168.65/27: Increment: 32 Network address: 192. Question No : 287 .168.63 For the network 192.Certification Guaranteed 247 . The traditional show command for NetFlow is "show ip cache flow" also available are two forms of top talker commands. show mls sampling E.1.1. show ip flow top-talkers C.1.168. show ip flow export B.Cisco 200-125 : Practice Test Answer: D Explanation: Now let’s find out the range of the networks on serial link: For the network 192. One of the top talkers commands uses a static configuration to view top talkers in the network and another command called dynamic top talkers allows real-time sorting and aggregation of NetFlow data.64 Broadcast address: 192.(Topic 7) What command visualizes the general NetFlow data on the command line? A. Information provided includes packet size distribution.168.1. show ip cache flow D.95 -> These two IP addresses don’t belong to the same network and they can’t see each other.168.

cisco.html Question No : 288 .Cisco 200-125 : Practice Test number of flows and export timer setting. The routers cannot establish an adjacency relationship on their common Ethernet link. 7-25 Reference: http://www. a view of the protocol distribution statistics and the NetFlow cache. The “show ip cache flow” command displays a summary of the NetFlow accounting statistics. A Composite Solution With Just One Click .com/c/en/us/products/collateral/ios-nx-os-software/iosnetflow/prod_white_paper0900aecd80406232.(Topic 7) A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.Certification Guaranteed 248 .

The OSPF area is not configured properly. A backup designated router needs to be added to the network. B. The dead interval is also set to 20 on R1 but it is 40 on R2. Answer: D Explanation: In OSPF. E.Cisco 200-125 : Practice Test The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. The priority on R1 should be set higher.(Topic 7) Refer to the exhibit. the hello and dead intervals must match and here we can see the hello interval is set to 5 on R1 and 10 on R2. what is the cause of this problem? A. C. Question No : 289 . The hello and dead timers are not configured properly. F. The cost on R1 should be set higher. A Composite Solution With Just One Click . D.Certification Guaranteed 249 . The OSPF process ID numbers must match. Based on the information in the graphic.

SW1's Fa0/1 interface is administratively shut down. There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces. Question No : 290 .(Topic 7) Refer to the exhibit.Cisco 200-125 : Practice Test If the devices produced the given output. Answer: D Explanation: You must configure all interfaces in an EtherChannel to operate at the same speeds and duplex modes. C. There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.Certification Guaranteed 250 . SW1 is configured to run at 10Mb while SW2 is operating at 100 Mb. D. what is the cause of the EtherChannel problem? A. Based on the output shown. There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces. B. A Composite Solution With Just One Click .

Reboot all of the devices. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.(Topic 7) Scenario: A Composite Solution With Just One Click . E.D. F. power and how they are plugged in. Answer: B. Ensure the switch has power.) A. C.F Explanation: The ports on the switch are not up indicating it is a layer 1 (physical) problem so we should check cable type.Certification Guaranteed 251 . Reseat all cables. Ensure that cables A and B are straight-through cables. D. B. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.Cisco 200-125 : Practice Test The two connected ports on the switch are not turning orange or green. Ensure cable A is plugged into a trunk port. Question No : 291 .

Certification Guaranteed 252 .Cisco 200-125 : Practice Test Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. A Composite Solution With Just One Click .

Certification Guaranteed 253 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Cisco 200-125 : Practice Test A Composite Solution With Just One Click .Certification Guaranteed 254 .

There is a Layer 2 issue.Cisco 200-125 : Practice Test An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branch1 office. an encapsulation mismatch on serial links. B.Certification Guaranteed 255 . A Composite Solution With Just One Click . There is an area ID mismatch. There is an OSPF hello and dead interval mismatch. C. What is causing the problem? A.

D.Certification Guaranteed 256 . destination IP address F.Cisco 200-125 : Practice Test D. The R3 router ID is configured on R4. IP next-hop Answer: A.(Topic 7) What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow? (Choose three. source MAC address C. Answer: A Explanation: A show running-config command on R3 and R4 shows that R4 is incorrectly configured for area 2: Question No : 292 . ingress interface E.E Explanation: Each packet that is forwarded within a router or switch is examined for a set of IP packet A Composite Solution With Just One Click . egress interface D. source IP address B.) A.

IP Packet attributes used by NetFlow: • IP source address • IP destination address • Source port • Destination port • Layer 3 protocol type • Class of Service • Router or switch interface All packets with the same source/destination IP address. This methodology of fingerprinting or determining a flow is scalable because a large amount of network information is condensed into a database of NetFlow information called the NetFlow cache.cisco.html Question No : 293 . protocol interface and class of service are grouped into a flow and then packets and bytes are tallied. Traditionally.(Topic 7) Refer to the exhibit. The network shown in the diagram is experiencing connectivity problems. Reference: http://www.) A Composite Solution With Just One Click .Certification Guaranteed 257 . an IP Flow is based on a set of 5 and up to 7 IP packet attributes. Which of the following will correct the problems? (Choose two. These attributes are the IP packet identity or fingerprint of the packet and determine if the packet is unique or similar to other packets.Cisco 200-125 : Practice Test attributes. source/destination ports.com/c/en/us/products/collateral/ios-nx-os-software/iosnetflow/prod_white_paper0900aecd80406232.

Certification Guaranteed 258 .10.255.1.255.2.X Mask : 255.1.255. IP address B.254 The IP information of member Host B in VLAN2 is as follows: Address : 10.255.1.2.254/24 VLAN1 Fa0/0.0 Gateway : 10.2.254.12 Mask : 255. B.0 Gateway : 10. C. The layer3 addressing information of Host B should be modified as follows: Address : 10.Cisco 200-125 : Practice Test A. Configure the gateway on Host B as 10.2 -.10. Configure the IP address of Host B as 10.1.1.255.2.224. Configure the gateway on Host A as 10.255.1. MAC address A Composite Solution With Just One Click . Interface name C.D Explanation: The switch 1 is configured with two VLANs: VLAN1 and VLAN2.(Topic 7) What are the three things that the Netflow uses to consider the traffic to be in a same flow? (Choose three) A.126 Mask : 255.0 Question No : 294 .255.1.1.1.1.1.2. Configure the IP address of Host A as 10.1. Answer: B. F.1.2.255. E.1 -.1. L3 protocol type E. Configure the masks on both hosts to be 255. Configure the masks on both hosts to be 255.2. Port numbers D.1.255.1. The IP information of member Host A in VLAN1 is as follows: Address : 10.255.1.240.254/24 VLAN2 It is obvious that the configurations of the gateways of members in VLAN2 and the associated network segments are wrong.254 The configuration of sub-interface on router 2 is as follows: Fa0/0.1. D.

At which OSI layer is the problem? A.10. an IP Flow is based on a set of 5 and up to 7 IP packet attributes. Traditionally. network layer A Composite Solution With Just One Click . application layer C. session layer E. An administrator pings the default gateway at 10.Cisco 200-125 : Practice Test Answer: A.1 and sees the output as shown. access layer D. IP Packet attributes used by NetFlow: + IP source address + IP destination address + Source port + Destination port + Layer 3 protocol type + Class of Service + Router or switch interface Question No : 295 . data link layer B.Certification Guaranteed 259 .C.10.(Topic 7) Refer to the exhibit.D Explanation: What is an IP Flow? Each packet that is forwarded within a router or switch is examined for a set of IP packet attributes. These attributes are the IP packet identity or fingerprint of the packet and determine if the packet is unique or similar to other packets.

12. so it works at the network layer.9 S0/1 – 192. CCNA.com has a small network that is using EIGRP as its IGP.Certification Guaranteed 260 . which is a network layer protocol used to propagate control message between host and router. The command ping is often used to verify the network connectivity. The task is to identify the fault(s) and correct the router configuration(s) to provide full connectivity between the routers.com has recently added the ENG router.6 S0/0 – 192.33 S1/0 – 198.18. All over interconnectivity and Internet access for the existing locations of the company are working properly.168. MGT Fa0/0 – 192.50.168. IP addresses are listed in the chart below.Cisco 200-125 : Practice Test Answer: E Explanation: The command ping uses ICMP protocol.77.168. the ENG router does not have connectivity to the ISP router. Access to the router CLI can be gained by clicking on the appropriate host. All passwords on all routers are cisco.0.34 Fa1/0 – 192.168. Question No : 296 CORRECT TEXT .77. Currently.21 ENG Fa0/0 – 192. All routers should be running an EIGRP AS number of 12.168. Router MGT is also running static routing to the ISP.17 A Composite Solution With Just One Click .(Topic 7) CCNA.27.

168.168.12.49 S0/0 – 192.168.168.Certification Guaranteed 261 .1 Parts1 Fa0/0 – 192.22 A Composite Solution With Just One Click .12.12.Cisco 200-125 : Practice Test Fa0/1 – 192.168.168.65 Fa0/1 – 192.50.81 S0/1 – 192.12.12.27.168.33 Fa0/1 – 192.10 Parts2 Fa0/0 – 192.

(Topic 7) An administrator is trying to ping and telnet from SwitchC to RouterC with the results shown A Composite Solution With Just One Click .Certification Guaranteed 262 .0 Question No : 297 .77.168.Cisco 200-125 : Practice Test Answer: On the MGT Router: Config t Router eigrp 12 Network 192.

Certification Guaranteed 263 .Cisco 200-125 : Practice Test below. Click the console connected to RouterC and issue the appropriate commands to answer the questions. A Composite Solution With Just One Click .

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A Composite Solution With Just One Click .Cisco 200-125 : Practice Test Which will fix the issue and allow ONLY ping to work while keeping telnet disabled? A.Certification Guaranteed 267 . Correctly assign an IP address to interface fa0/1.

The EIGRP routing protocol is configured. C. Remove access-group 102 out from interface s0/0/0 and add access-group 114 in E. D. The 3rd line denies all telnet traffic and the 4th line allows icmp traffic to be sent (ping). Change the ip access-group command on fa0/0 from “in” to “out”. R2 and R3 are connected to the switches SW1 and SW2.Certification Guaranteed 268 . and R3 with serial links. Question No : 298 . Remember that the access list 104 is applied on the inbound direction so the 5th line “access-list 104 deny icmp any any echo-reply” will not affect our icmp traffic because the “echo-reply” message will be sent over the outbound direction. R2. Remove access-group 106 in from interface fa0/0 and add access-group 115 in. Your company has connected the routers R1. A Composite Solution With Just One Click .(Topic 7) Scenario Refer to the topology.Cisco 200-125 : Practice Test B. SW1 and SW2 are also connected to the routers R4 and R5. Answer: E Explanation: Let’s have a look at the access list 104: The question does not ask about ftp traffic so we don’t care about the two first lines. You are required to troubleshoot and resolve the EIGRP issues between the various routers. respectively. Use the appropriate show commands to troubleshoot the issues. Remove access-group 106 in from interface fa0/0 and add access-group 104 in.

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1.1 network. 100-byte ICMP Echos to 10. we see that the 10.1. The network statement is missing on R1.1 network A Composite Solution With Just One Click .55 source 10.1. timeout is 2 seconds: Packet sent with a source address of 10. When looking at the EIGRP configuration on R1. C.1. The network statement is missing on R5.1. D.5.Certification Guaranteed 273 .1. The loopback interface is shut down on R5. Sending 5.1.5.1 ……. The IP address that is configured on the Lo1 interface on R5 is incorrect.5.1 Type escape sequence to abort.55. which is the loopback0 IP address of R1. Success rate is 0 percent (0/5) Why are the pings failing? A. Answer: C Explanation: R5 does not have a route to the 10.Cisco 200-125 : Practice Test Study the following output taken on R1: R1# Ping 10.1. B.5.

A Composite Solution With Just One Click . Question No : 299 .Cisco 200-125 : Practice Test statement is missing on R1.(Topic 7) Refer to the exhibit.Certification Guaranteed 274 .

A Composite Solution With Just One Click . Question No : 300 .(Topic 7) Scenario Refer to the topology.Certification Guaranteed 275 . C. The cable that is connected to S0/0 on RouterA is faulty. Answer: E.0. Interface S0/0 on RouterB is administratively down. E.Cisco 200-125 : Practice Test Hosts in network 192. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.0 are unable to reach hosts in network 192. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA. F.F Explanation: From the output we can see that there is a problem with the Serial 0/0 interface. what are two possible reasons for the failure? (Choose two. Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU.) A. B.168. Based on the output from RouterA. Interface S0/0 on RouterA is configured with an incorrect subnet mask.2. The IP address that is configured on S0/0 of RouterB is not in the correct subnet. D. but the line protocol is down.168.3. There could be a result of mismatched encapsulation or the interface not receiving a clock signal from the CSU/DSU. It is enabled.

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There is an area ID mismatch. B.Certification Guaranteed 279 . What is causing the problem? A. C. A Composite Solution With Just One Click . the username is not configured on R3 and R6.Cisco 200-125 : Practice Test An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. There is an OSPF hello and dead interval mismatch. There is a PPP authentication issue.

(Topic 7) Scenario: Refer to the topology. Question No : 301 . The R3 router ID is configured on R6. Answer: D Explanation: Using the show running-config command we see that R6 has been incorrectly configured with the same router ID as R3 under the router OSPF process.Certification Guaranteed 280 . A Composite Solution With Just One Click .Cisco 200-125 : Practice Test D. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

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Configure no shutdown command. Which option would fix the issue? A. C. configure no ip ospf hello-interval 25.Cisco 200-125 : Practice Test R1 does not form an OSPF neighbor adjacency with R2. B.Certification Guaranteed 284 . R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello A Composite Solution With Just One Click . R1 ethernet0/1 configured with a non-default OSPF hello interval of 25. R1 ethernet0/1 is shutdown.

Cisco 200-125 : Practice Test interval of 25.(Topic 7) What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance? A. configure no ip ospf hello-interval 25. SNMP B. D. we see that R1 is configured with a hello interval of 25 on interface Ethernet 0/1 while R2 is left with the default of 10 (not configured). Question No : 302 .Certification Guaranteed 285 . Netflow C. configure ip ospf 1 area 0 command under ethernet0/1. Enable OSPF for R1 ethernet0/1. Answer: B Explanation: Looking at the configuration of R1. IP SLA Answer: B A Composite Solution With Just One Click . WCCP D.

Cisco 200-125 : Practice Test Explanation: Netflow can be used to diagnose slow network performance. time-based. Web server sizing and VoIP deployment) to responsively meet customer demands. and rapid problem resolution. efficient troubleshooting. bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools. Reference: http://www. + Application Monitoring and Profiling – NetFlow data enables network managers to gain a detailed.cisco. understand new services.g. Flow-based analysis techniques may be utilized to visualize traffic patterns associated with individual routers and switches as well as on a network-wide basis (providing aggregate traffic or application based views) to provide proactive problem detection. Network Planning C.) A. This information may then be utilized to efficiently plan and allocate access. This information is used to plan. Security Analysis D.C. Application & User Monitoring B. Accounting/Billing Answer: A. and allocate network and application resources (e.html Question No : 303 .Certification Guaranteed 286 .com/c/en/us/products/collateral/ios-nx-os-software/iosnetflow/prod_white_paper0900aecd80406232. view of application usage over the network. + User Monitoring and Profiling – NetFlow data enables network engineers to gain detailed understanding of customer/user utilization of network and application resources. Network.(Topic 7) What are the benefits of using Netflow? (Choose three.D Explanation: NetFlow traditionally enables several key customer applications including: + Network Monitoring – NetFlow data enables extensive near real time network monitoring capabilities. backbone and application resources as well as to detect and resolve potential security and policy A Composite Solution With Just One Click .

NetFlow helps to minimize the total cost of network operations while maximizing network performance. Service providers may utilize the information for billing based on time-of-day.(Topic 7) An administrator is trying to ping and telnet from SwitchC to RouterC with the results shown below. NetFlow services data optimizes network planning including peering. type-of-service and application ports.Cisco 200-125 : Practice Test violations. + Accounting/Billing – NetFlow data provides fine-grained metering (e. etc. viruses and worms in real-time. bandwidth usage. etc. Changes in network behavior indicate anomalies that are clearly demonstrated in NetFlow data. + Security Analysis – NetFlow identifies and classifies DDOS attacks. capacity. NetFlow will give you valuable information to reduce the cost of operating your network. validates bandwidth and Quality of Service (QOS) and allows the analysis of new network applications. timestamps. or higher.Certification Guaranteed 287 . quality of service. + Network Planning – NetFlow can be used to capture data over a long period of time producing the opportunity to track and anticipate network growth and plan upgrades to increase the number of routing devices. Question No : 304 . ports. and reliability. flow data includes details such as IP addresses. The data is also a valuable forensic tool to understand and replay the history of security incidents.bandwidth interfaces. Enterprise customers may utilize the information for departmental charge-back or cost allocation for resource utilization. packet and byte counts.g. backbone upgrade planning. application usage. A Composite Solution With Just One Click . NetFlow detects unwanted WAN traffic. and routing policy planning.) for highly flexible and detailed resource utilization accounting.

Certification Guaranteed 288 .Cisco 200-125 : Practice Test Click the console connected to RouterC and issue the appropriate commands to answer the questions. A Composite Solution With Just One Click .

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What would be the effect of issuing the command ip access-group 115 in on the s0/0/1
interface?

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A. No host could connect to RouterC through s0/0/1.
B. Telnet and ping would work but routing updates would fail.
C. FTP, FTP-DATA, echo, and www would work but telnet would fail.
D. Only traffic from the 10.4.4.0 network would pass through the interface.
Answer: A
Explanation:
First let’s see what was configured on interface S0/0/1:

Question No : 305 DRAG DROP - (Topic 7)
Drag each category on the left to its corresponding router output line on the right. Each
router output line is the result of a show ip interface command. Not all categories are
used.

Answer:

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Explanation:

A simple way to find out which layer is having problem is to remember this rule: “the first
statement is for Layer 1, the last statement is for Layer 2 and if Layer 1 is down then surely
Layer 2 will be down too”, so you have to check Layer 1 before checking Layer 2. For
example, from the output “Serial0/1 is up, line protocol is down” we know that it is a layer 2
problem because the first statement (Serial0/1 is up) is good while the last statement (line
protocol is down) is bad. For the statement “Serial0/1 is down, line protocol is down”, both
layers are down so the problem belongs to Layer 1.
There is only one special case with the statement “…. is administrator down, line protocol is
down”. In this case, we know that the port is currently disabled and shut down by the
administrators.

Question No : 306 - (Topic 7)
Scenario
Refer to the topology. Your company has connected the routers R1, R2, and R3 with serial
links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and

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SW2 are also connected to the routers R4 and R5.
The EIGRP routing protocol is configured.
You are required to troubleshoot and resolve the EIGRP issues between the various
routers.
Use the appropriate show commands to troubleshoot the issues.

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B.55 the preferred path is via Serial 1/3. C.5. The traffic is unequally load-balanced over R2 and R3. which we see from the diagram is the link to R2.5.Cisco 200-125 : Practice Test Which path does traffic take from R1 to R5? A. D.Certification Guaranteed 299 . A Composite Solution With Just One Click .5. Answer: A Explanation: Using the “show ip int brief command” on R5 we can see the IP addresses assigned to this router. Then.5 and 10. using the “show ip route” command on R1 we can see that to reach 10. The traffic is equally load-balanced over R2 and R3.5. The traffic goes through R3. The traffic goes through R2.

you may not want to send NetFlow data from a datacenter switch to a NetFlow collector on the other side of a small WAN circuit.Certification Guaranteed 300 .C Explanation: NetFlow has a reputation for increasing CPU utilization on your network devices. SNMP version F.com/tip/How-the-NetFlow-protocolmonitors-your-WAN Question No : 308 CORRECT TEXT . WAN encapsulation Answer: A. Services running on the device may also be affected.Cisco 200-125 : Practice Test Question No : 307 . port availability E. number of devices exporting Netflow data D. Another thing to keep in mind is the amount of data you're going to be sending across the network.B. For example. but you will still want to check it out before you turn on the feature. the traffic can be substantial. Also bear in mind that the flows from aggregating large numbers of devices can add up.) A. where Netflow data will be sent C.techtarget. Reference: http://searchenterprisewan.(Topic 7) The following have already been configured on the router: A Composite Solution With Just One Click . Depending on how much traffic you have and how you configure it.(Topic 7) What are three factors a network administrator must consider before implementing Netflow in the network? (Choose three. Cisco's performance testing seems to indicate that newer hardware can accommodate this load pretty well. CPU utilization B. Some symptoms of high CPU utilization are very large jitter and increased delay.

168. Answer: The company has 14 hosts that need to access the internet simultaneously but we just have 6 public IP addresses from 198.110/29 inside local addresses .✑ ✑ ✑ ✑ Cisco 200-125 : Practice Test The basic router configuration The appropriate interfaces have been configured for NAT inside and NAT outside. The company has 14 hosts that need to access the internet simultaneously. Functionality can be tested by clicking on the host provided for testing.18.Certification Guaranteed 301 .192.30.30/28 number of inside hosts – 14 A network associate is configuring a router for the weaver company to provide internet access. The hosts in the company LAN have been assigned private space addresses in the range of 192. Therefore we have to use NAT overload (or PAT) A Composite Solution With Just One Click .198.184.18.17 – 192.184. no routing protocol will be required) All passwords have been temporarily set to “cisco”.105 to 198.168.105 198.100. The appropriate static routes have also been configured (since the company will be a stub network. The ISP has provided the company six public IP addresses of 198. The task is to complete the NAT configuration using all IP addresses assigned by the ISP to provide Internet access for the hosts in the Weaver LAN.105 . Configuration information: router name – Weaver inside global addresses – 198.184.110.100.184.168.18.184.184.168.18.18.18.110/29.17 – 192.100.100.

Since there are multiple resources for the corporation at A Composite Solution With Just One Click .18.16 0.110 netmask 255.105 198. This is how to configure the NAT inside and NAT outside.0. Weaver(config)#ip nat pool mypool 198.105 to 198.18.255.168.184.184.168.110).2.100.255.100.15 Establish dynamic source translation.0.0.0.18. Weaver(config)#access-list 1 permit 192.184.Cisco 200-125 : Practice Test Double click on the Weaver router to open it Router>enable Router#configure terminal First you should change the router's name to Weaver Router(config)#hostname Weaver Create a NAT pool of global addresses to be allocated with their netmask.(Topic 7) A network associate is adding security to the configuration of the Corp1 router.248 Create a standard access control list that permits the addresses that are to be translated.30. The question said that appropriate interfaces have been configured for NAT inside and NAT outside statements. which means a source address from 192.168.18. we should save all your work with the following command: Weaver#copy running-config startup-config Check your configuration by going to "Host for testing" and type: C :\>ping 192.114 Question No : 309 CORRECT TEXT . into an address from the pool named mypool (the pool contains addresses from 198. just for your understanding: Weaver(config)#interface fa0/0 Weaver(config-if)#ip nat inside Weaver(config-if)#exit Weaver(config)#interface s0/0 Weaver(config-if)#ip nat outside Weaver(config-if)#end Finally.2.114 The ping should work well and you will be replied from 192. specifying the access list that was defined in the prior step.Certification Guaranteed 302 .184. Overload keyword allows to map multiple IP addresses to a single registered IP address (many-to-one) by using different ports. Weaver(config)#ip nat inside source list 1 pool mypool overload This command translates all source addresses that pass access list 1. No other hosts from the LAN nor the Core should be able to use a web browser to access this server. The user on host C should be able to use a web browser to access financial information from the Finance Web Server.17 to 192.100.

240.240.22.240. The task is to create and apply an access-list with no more than three statements that will allow ONLY host C web access to the Finance Web Server.26 eq www Corp1(config)# access-list 128 permit ip any any Corp1(config)#int fa0/1 A Composite Solution With Just One Click .168.3 Answer: Corp1#conf t Corp1(config)# access-list 128 permit tcp host 192. No other hosts will have web access to the Finance Web Server.2 ✑ host C 192.141.Certification Guaranteed 303 .168.168. Access to the router CLI can be gained by clicking on the appropriate host.1 192.1 host 172.1 ✑ host B 192. The Core connection uses an IP address of 198.26 eq www Corp1(config)# access-list 128 deny tcp any host 172.65 The computers in the Hosts LAN have been assigned addresses of 192.168.240.254 ✑ host A 192.247.141.168.168.18.22.240. All other traffic is permitted.Cisco 200-125 : Practice Test this location including other resources on the Finance Web Server. All passwords have been temporarily set to "cisco".240. all other traffic should be allowed.

unless otherwise indicated. What would be an effect of this cable being disconnected? A. STP creates a loop-free tree structure consisting of leaves and branches that span the entire Layer 2 network. Then normal network function would resume. The actual mechanics of how bridges communicate and how the STP algorithm works will be discussed at length in the following topics. A problem with network connectivity has been observed. Note that the terms bridge and switch are used interchangeably when discussing STP. Host B would not be able to access the server in VLAN9. Communication between VLAN3 and the other VLANs would be disabled. C. Answer: D Explanation: Spanning-Tree Protocol (STP) is a Layer 2 protocol that utilizes a special-purpose algorithm to discover physical loops in a network and effect a logical loop-free topology. The transfer of files from Host B to the server in VLAN9 would be significantly slower.(Topic 7) Refer to the exhibit. It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected. Host B would not be able to access the server in VLAN9 until the cable is reconnected. In addition.Cisco 200-125 : Practice Test Corp1(config-if)#ip access-group 128 out Corp1(config-if)#end Corp1#copy run startup-config Question No : 310 . A Composite Solution With Just One Click . For less than a minute. B.Certification Guaranteed 304 . D. connections between switches are assumed to be trunks.

and R3 with serial links.(Topic 7) Scenario Refer to the topology. Your company has connected the routers R1. respectively. Use the appropriate show commands to troubleshoot the issues. R2. SW1 and SW2 are also connected to the routers R4 and R5.Cisco 200-125 : Practice Test Question No : 311 . You are required to troubleshoot and resolve the EIGRP issues between the various routers. A Composite Solution With Just One Click . The EIGRP routing protocol is configured. R2 and R3 are connected to the switches SW1 and SW2.Certification Guaranteed 305 .

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and 10. C.6/32 are not appearing in the routing table of R5. Automatic summarization is enabled.0.5/32.4.4.Cisco 200-125 : Practice Test The loopback interfaces on R4 with the IP addresses of 10. so they are not being advertised.4/32.4.4.0. Why are the interfaces missing? A. B. so it does not peer with R5. so only the 10. 10.4.0 network is displayed. R4 has been incorrectly configured to be in another AS. The interfaces are shutdown. A Composite Solution With Just One Click .4.Certification Guaranteed 309 .

AS numbers . we see that R4 is configured for EIGRP AS 2. the following must match: . Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.(Topic 7) Scenario Refer to the topology.Neighbors must be in the same subnet . Question No : 312 . A Composite Solution With Just One Click .Cisco 200-125 : Practice Test D.K values . The loopback addresses haven't been advertised. and the network command is missing on R4.Certification Guaranteed 310 .Authentication method and key strings Here. Answer: B Explanation: For an EIGRP neighbor to form. when it should be AS 1.

Cisco 200-125 : Practice Test
You are required to troubleshoot and resolve OSPF neighbor adjacency issues between
the main office and the routers located in the remote branch offices.

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An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the
Branch2 office. What is causing the problem?
A. There is an area ID mismatch.
B. There is a PPP authentication issue; a password mismatch.
C. There is an OSPF hello and dead interval mismatch.

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D. There is a missing network command in the OSPF process on R5.
Answer: C
Explanation:
The “show ip ospf interface command on R3 and R5 shows that the hello and dead
intervals do not match. They are 50 and 200 on R3 and 10 and 40 on R5.

Question No : 313 CORRECT TEXT - (Topic 7)
Central Florida Widgets recently installed a new router in their office. Complete the network
installation by performing the initial router configurations and configuring R1PV2 routing
using the router command line interface (CLI) on the RC.
Configure the router per the following requirements:
Name of the router is R2
Enable. secret password is cisco
The password to access user EXEC mode using the console is cisco2
The password to allow telnet access to the router is cisco3
IPV4 addresses must be configured as follows:
Ethernet network 209.165.201.0/27 - router has fourth assignable host address in subnet

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Serial network is 192.0.2.176/28 - router has last assignable host address in the subnet.
Interfaces should be enabled.
Router protocol is RIPV2
Attention:
In practical examinations, please note the following, the actual information will prevail.
1. Name or the router is xxx
2. Enable. secret password is xxx
3. Password In access user EXEC mode using the console is xxx
4. The password to allow telnet access to the router is xxx
5. IP information

Answer: Router>enable
Router#config terminal
Router(config)#hostname R2
R2(config)#enable secret Cisco 1
R2(config)#line console 0
R2(config-line)#password Cisco 2
R2(config-line)#exit
R2(config)#line vty 0 4
R2(config-line)#password Cisco 3
R2(config-line)#login
R2(config-line)#exit
R2(config)#interface faO/0
R2(config-if)#ip address 209.165.201.4 255.255.255.224
R2(config)#interface s0/0/0
R2(config-if)#ip address 192.0.2.190 255.255.255.240
R2(config-if)#no shutdown
R2(config-if)#exit

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R2(config)#router rip
R2(config-router)#version 2
R2(config-router)#network 209.165.201.0
R2(config-router)#network 192.0.2.176
R2(config-router)#end
R2#copy run start

Question No : 314 - (Topic 7)
An administrator is trying to ping and telnet from SwitchC to RouterC with the results shown
below.

Click the console connected to RouterC and issue the appropriate commands to answer
the questions.

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Certification Guaranteed 318 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Certification Guaranteed 319 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Cisco 200-125 : Practice Test

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Cisco 200-125 : Practice Test

What would be the effect of issuing the command ip access-group 114 in to the fa0/0
interface?

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A. Attempts to telnet to the router would fail.
B. It would allow all traffic from the 10.4.4.0 network.
C. IP traffic would be passed through the interface but TCP and UDP traffic would not.
D. Routing protocol updates for the 10.4.4.0 network would not be accepted from the fa0/0
interface.
Answer: B
Explanation:
From the output of access-list 114: access-list 114 permit ip 10.4.4.0 0.0.0.255 any we can
easily understand that this access list allows all traffic (ip) from 10.4.4.0/24 network

Question No : 315 - (Topic 7)
What Netflow component can be applied to an interface to track IPv4 traffic?
A. flow monitor
B. flow record
C. flow sampler
D. flow exporter
Answer: A
Explanation:
Flow monitors are the Flexible NetFlow component that is applied to interfaces to perform
network traffic monitoring. Flow monitors consist of a record and a cache. You add the
record to the flow monitor after you create the flow monitor. The flow monitor cache is
automatically created at the time the flow monitor is applied to the first interface. Flow data
is collected from the network traffic during the monitoring process based on the key and
nonkey fields in the record, which is configured for the flow monitor and stored in the flow
monitor cache.
For example, the following example creates a flow monitor named FLOW-MONITOR-1 and
enters Flexible NetFlow flow monitor configuration mode:
Router(config)# flow monitor FLOW-MONITOR-1
Router(config-flow-monitor)#

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Topic 8, Mixed Questions

Question No : 316 - (Topic 8)
Which two Cisco IOS commands, used in troubleshooting, can enable debug output to a
remote location? (Choose two)
A. no logging console
B. logging host ip-address
C. terminal monitor
D. show logging | redirect flashioutput.txt
E. snmp-server enable traps syslog
Answer: B,C

Question No : 317 - (Topic 8)
When an interface is configured with PortFast BPDU guard, how does the interface
respond when it receives a BPDU?
A. It continues operating normally.
B. It goes into a down/down state.
C. It becomes the root bridge for the configured VLAN.
D. It goes into an errdisable state.
Answer: D
Explanation: Understanding How PortFast BPDU Guard Works To prevent loops from
occurring in a network, the PortFast mode is supported only on nontrunking access ports
because these ports typically do not transmit or receive BPDUs. The most secure
implementation of PortFast is to enable it only on ports that connect end stations to
switches. Because PortFast can be enabled on nontrunking ports connecting two switches,
spanning tree loops can occur because BPDUs are still being transmitted and received on
those ports.
PortFast BPDU guard prevents loops by moving a nontrunking port into an errdisable state
when a BPDU is received on that port. When you enable BPDU guard on the switch,
spanning tree shuts down PortFast-configured interfaces that receive BPDUs instead of
putting them into the spanning tree blocking state. In a valid configuration, PortFastconfigured interfaces do not receive BPDUs. If a PortFast-configured interface receives a
BPDU, an invalid configuration exists. BPDU guard provides a secure response to invalid

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configurations because the administrator must manually put the interface back in service.

Question No : 318 - (Topic 8)
Which command can you enter to verify that a BGP connection to a remote device is
established?
A. show ip bgp summary
B. show ip community-list
C. show ip bgp paths
D. show ip route
Answer: A

Question No : 319 - (Topic 8)
Which command can you enter to verify that a 128-bit address is live and responding?
A. traceroute
B. telnet
C. ping
D. ping ipv6
Answer: C

Question No : 320 - (Topic 8)
Which command can you enter to route all traffic that is destined for 192.168.0.0/20 to a
specific interface?
A. router(config)#ip route 192.168.0.0 255.255.240.0 GigabitEthernet0/1
B. router(config)#ip route 0.0.0.0 255.255.255.0 GigabitEthernet0/1
C. router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1
D. router(config)#ip route 192.168.0.0 255.255.255.0 GigabitEthernet0/1
Answer: A
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Question No : 321 - (Topic 8)
During which phase of PPPoE is PPP authentication performed?
A. the PPP Session phase
B. Phase 2
C. the Active Discovery phase
D. the Authentication phase
E. Phase 1
Answer: A
Explanation: PPPoE is composed of two main phases:
Active Discovery Phase: In this phase, the PPPoE client locates a PPPoE server, called
an access concentrator. During this phase, a Session ID is assigned and the PPPoE layer
is established.
PPP Session Phase: In this phase, PPP options are negotiated and authentication is
performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation
method, allowing data to be transferred over the PPP link within PPPoE headers.
Reference: http://www.cisco.com/c/en/us/td/docs/security/asa/asa92/configuration/vpn/asavpn-cli/vpn-pppoe.html

Question No : 322 - (Topic 8)
Which two statements about late collisions are true? (Choose two.)
A. They may indicate a duplex mismatch.
B. By definition, they occur after the 512th bit of the frame has been transmitted.
C. They indicate received frames that did not pass the FCS match.
D. They are frames that exceed 1518 bytes.
E. They occur when CRC errors and interference occur on the cable.
Answer: A,B

Question No : 323 - (Topic 8)
Which command can you enter to display duplicate IP addresses that the DHCP server
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assigns?
A. show ip dhcp conflict 10.0.2.12
B. show ip dhcp database 10.0.2.12
C. show ip dhcp server statistics
D. show ip dhcp binding 10.0.2.12
Answer: A

Question No : 324 - (Topic 8)
Which protocol is the Cisco proprietary implementation of FHRP?
A. HSRP
B. VRRP
C. GLBP
D. CARP
Answer: A

Question No : 325 - (Topic 8)
What are two reasons that duplex mismatches can be difficult to diagnose? (Choose two.)
A. The interface displays a connected (up/up) state even when the duplex settings are
mismatched.
B. The symptoms of a duplex mismatch may be intermittent.
C. Autonegotiation is disabled.
D. Full-duplex interfaces use CSMA/CD logic, so mismatches may be disguised by
collisions.
E. 1-Gbps interfaces are full-duplex by default.
Answer: A,B

Question No : 326 - (Topic 8)
Which two passwords must be supplied in order to connect by Telnet to a properly secured
Cisco switch and make changes to the device configuration? (Choose two.)
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no logging console B. logging host 10. Layer 2 switch C. router Answer: D Explanation: The only way to get off a layer two network segment is through a layer three device. Layer 2 bridge B.C Explanation: Telnet presents a potential security risk.(Topic 8) Which logging command can enable administrators to correlate syslog messages with millisecond precision? A.21 Answer: D Question No : 328 . username password Answer: B. Layer 3 switch D. service timestamps log datetime msec E.2. in A Composite Solution With Just One Click . so Telnet uses vty for connecting a remote Cisco switch.(Topic 8) Which type of device can be replaced by the use of subinterfaces for VLAN routing? A. tty password B. For access security. the vty password and enable password must be configured. console password F. aux password E. vty password D. no logging monitor D. commonly referred to as a Default Gateway for host machines.Cisco 200-125 : Practice Test A.Certification Guaranteed 327 . enable secret password C. So let’s say for example you have a single switch with 5 different VLAN’s and machines on each VLAN. Question No : 327 . logging buffered 4 C.0.

Question No : 329 .B Question No : 330 . NHRP D.Cisco 200-125 : Practice Test which case each VLAN would require its own router to get out of that layer two network to a different layer two network. D. A sub-interface allows you to have multiple interface configurations on a single physical interface.) A.Certification Guaranteed 328 .(Topic 8) What is the first step in the NAT configuration process? A. C. A Sub-Interface is a logical interface partitioned off from a physical interface. Define IP address pools. IPv6 stateful autoconfiguration E. DHCP C. Define public and private IP addresses. Define inside and outside interfaces. Routes are updated when a change in topology occurs. ISATAP tunneling Answer: A.(Topic 8) Which three statements about link-state routing are true? (Choose three. A Composite Solution With Just One Click . In this lab you’ll use sub-interfaces to match the VLAN’s in the trunk to allow for interfaces in each VLAN and accomplish inter-vlan routing for the hosts as the router has an interface in each layer three network.) A.(Topic 8) Which two features can dynamically assign IPv6 addresses? (Choose two. Answer: A Question No : 331 . IPv6 stateless autoconfiguration B. Define global and local interfaces. B.

process switching C. It uses split horizon.(Topic 8) Which feature builds a FIB and an adjacency table to expedite packet forwarding? A. Answer: A. C. Updates are sent to a multicast address by default. E.Cisco 200-125 : Practice Test B. Cisco Express Forwarding B.Certification Guaranteed 329 . RIP is a link-state protocol. fast switching D. cut-through Answer: A Question No : 333 . F. Which two statements are true about the loopback address that is configured on RouterB? (Choose two. OSPF is a link-state protocol.(Topic 8) Refer to the exhibit.) A Composite Solution With Just One Click . D.C Question No : 332 .B. Updates are sent to a broadcast address.

It specifies that the router ID for RouterB should be 10. the highest IP address of all active router’s physical interfaces will be chosen. -> The loopback interface will be chosen as the router ID of RouterB – A Composite Solution With Just One Click . B. D. It decreases the metric for routes that are advertised from RouterB. Answer: B. It provides stability for the OSPF process on RouterB. It ensures that data will be forwarded by RouterB. E.Certification Guaranteed 330 .0.1.C Explanation: Explanation A loopback interface never comes down even if the link is broken so it provides stability for the OSPF process (for example we use that loopback interface as the router-id) The router-ID is chosen in the order below: + The highest IP address assigned to a loopback (logical) interface. C.0. It indicates that RouterB should be elected the DR for the LAN.Cisco 200-125 : Practice Test A.+ If a loopback interface is not defined.

It configures an inactive switch virtual interface. Their upload speed is about 10 percent of their download speed. It configures the default VLAN.B.(Topic 8) Which spanning-tree protocol rides on top of another spanning-tree protocol? A. B. D. C.C Question No : 335 . What is the effect of the given configuration? A. They are usually at least 10 times faster than analog modem connections.(Topic 8) Refer to the exhibit.Cisco 200-125 : Practice Test Question No : 334 . They are usually faster than cable and DSL connections. They are frequently used by rural users without access to other high-speed connections. C. Answer: A. It configures the native VLAN. They use radio waves to communicate with cellular phone towers.(Topic 8) What are three characteristics of satellite Internet connections? (Choose three.Certification Guaranteed 331 . D.) A. Answer: A Question No : 336 . B. E. MSTP A Composite Solution With Just One Click . F. It configures an active management interface. They require a WiMax tower within 30 miles of the user location.

forwarding E.(Topic 8) The enable secret command is used to secure access to which CLI mode? A. B. discarding Answer: A.Cisco 200-125 : Practice Test B. global configuration mode B. C. RSTP C. A Composite Solution With Just One Click .B Question No : 339 . PVST+ D. listening C. auxiliary setup mode Answer: B Question No : 338 . privileged EXEC mode C.) A.) A.(Topic 8) Which two spanning-tree port states does RSTP combine to allow faster convergence? (Choose two. It uses a single SYN-ACK message to establish a connection. The connection is established before data is transmitted. learning D. user EXEC mode D. Mono Spanning Tree Answer: A Question No : 337 . It ensures that all data is transmitted and received by the remote device. blocking B.Certification Guaranteed 332 .(Topic 8) What are three characteristics of the TCP protocol? (Choose three.

Only southbound APIs allow program control of the network. The APIC-EM API provides you with the ability to think about your network at a higher policy level rather than how to implement that policy. Thus you tell the network what you want (i. and hosts. which will then be implemented by the APIC-EM Controller through its Southbound Interfaces. TFTP Answer: A Question No : 341 . your applications will make network policy decisions. A Composite Solution With Just One Click . Only southbound API interfaces use a Service Abstraction Layer. Answer: B. D. PAT B.e. E. E. It requires applications to determine when data packets must be retransmitted. It uses separate SYN and ACK messages to establish a connection.) A. When you use the APIC-EM API. programmatic control of your network elements. Answer: B.(Topic 8) Which NAT function can map multiple inside addresses to a single outside address? A.Certification Guaranteed 333 . ARP E.E Question No : 340 .C. SFTP C. RARP D.C Explanation: APIC-EM Northbound InterfaceThe APIC-EM Northbound Interface is the only API that you will need to control your network programmatically.. Both northbound and southbound APIs allow program control of the network. the policy) and the controller figures out how to implement that policy for you.Cisco 200-125 : Practice Test D. F. The API is function rich and provides you with an easy-to-use. Only northbound API interfaces use a Service Abstraction Layer. C. B.(Topic 8) Which two statements about northbound and southbound APIs are true? (Choose two. F. It supports significantly higher transmission speeds than UDP. Both northbound and southbound API interfaces use a Service Abstraction Layer. Only northbound APIs allow program control of the network. interfaces.

and DELETE) with JSON syntax.Cisco 200-125 : Practice Test The APIC-EM API is REST based and thus you will discover and control your network using HTTP protocol with HTTP verbs (i. The use of the SNMP and CLI ensures that APIC.. They are less costly than public IP addresses. A network printer residing in your home is assigned a private address so that only your family can print to your local printer. and the personal computers within an organizations are usually assigned private IP addresses. switches and wireless controllers (including Wireless Access Points).eases and accelerates the task of computing end-to-end application flow path. PUT. ✑ Plug and Play (PnP) . C. They can be assigned to devices without Internet connections. The computers.EM works with legacy Cisco legacy products.) A.Certification Guaranteed 334 . a Network Address Translator (NAT) should be used. The APIC-EM GA release focus’s on the following key customer applications: ✑ Intelligent WAN (IWAN) . Answer: A. To allow direct access to a local device which is assigned a private IP address. but uses your router's public IP address to communicate. When a computer is assigned a private IP address. However.automates the configuration of advanced IWAN features on Cisco 4000 Series Integrated Service Routers. 1 class B and 1 class C) reserved for a private use. They eliminate duplicate IP conflicts. They are routed the same as public IP addresses. the local devices sees this computer via it's private IP address. the devices residing outside of your local network cannot directly communicate via the private IP address. E. Question No : 342 .delivers zero-touch deployment of Cisco Enterprise Network routers. Future APIC-EM releases will leverage other southbound technology such as NetConf as they become available. GET.(Topic 8) What are two benefits of private IPv4 IP addresses? (Choose two. D. A Composite Solution With Just One Click . tablets and smartphones sitting behind your home. POST. Southbound InterfacesAlthough APIC-EM only exposes its Northbound Interfaces as an API. Southbound Interfaces are implemented with a Service Abstraction Layer (SAL) which speak to network elements using SNMP and CLI (Command Line Interface) of the elements that make up the network. B.e. They eliminate the necessity for NAT policies. ✑ Path Trace . it is important that you understand how the Southbound Interface is built.C Explanation: What is private IP address?A private IP address is the address space allocated by InterNIC to allow organizations to create their own private network. There are three IP blocks (1 class A.

B. It uses consistent route determination.) A. It is best used for large-scale deployments.(Topic 8) Which three statements about static routing are true? (Choose three. C. a switch with priority 8192 C. Answer: A. ESRP Answer: A Question No : 345 . RSMLT D. It requires more resources than other routing methods. FHRP B.(Topic 8) If primary and secondary root switches with priority 16384 both experience catastrophic losses. It is best used for small-scale deployments. D. a switch with priority 12288 A Composite Solution With Just One Click .B. E. which tertiary switch can take over? A. Routing is disrupted when links fail.Cisco 200-125 : Practice Test Question No : 343 .(Topic 8) Which protocol advertises a virtual IP address to facilitate transparent failover of a Cisco routing device? A.C Question No : 344 .Certification Guaranteed 335 . Routers can use update messages to reroute when links fail. F. DHCP C. a switch with priority 20480 B. a switch with priority 4096 D.

Router(config)#username jdone privilege 1 password 7 PASSWORD1 C. store and-forward switching C. how many broadcast domains are present on the router? A Composite Solution With Just One Click . Question No : 348 . This method also processes invalid frames. In this method Switch only read first six bytes from frame after the preamble.(Topic 8) If a router has four interfaces and each interface is connected to four switches. These six bytes are the destination address of frame.Certification Guaranteed 336 . fragment-free switching B. This is the fastest method of switching. cut through switching D.Cisco 200-125 : Practice Test Answer: A Question No : 346 .(Topic 8) Which command can you enter to configure a local username with an encrypted password and EXEC mode user privileges? A. Only advantage of this method is speed. Router(config)#username jdone privilege 15 password 0 08314D5D1A48 D. Router(config)#username jdone privilege 15 password 0 PASSWORD1 Answer: A Question No : 347 . ASIC switching Answer: C Explanation: Cut and Through Cut and Through method has lowest latency. Router(config)#username jdone privilege 1 password 7 08314D5D1A48 B.(Topic 8) Which switching method duplicates the first six bytes of a frame before making a switching decision? A.

8 Answer: C Question No : 349 .16.16.0/25 C. 172. Switch#show interface vlan 20 D.1.Certification Guaranteed 337 . the default route Answer: A Question No : 350 . ✑ Other types of access from host C to the Finance Web Server should be blocked.0/26 B.1.0/24 D.(Topic 8) Which command can you enter to view the ports that are assigned to VLAN 20? A.(Topic 8) A corporation wants to add security to its network. Switch#show ip interface vlan 20 Answer: A Question No : 351 CORRECT TEXT .16. 172.1.Cisco 200-125 : Practice Test A. ✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked. 2 C. 1 B.5/32? A. The requirements are: ✑ Host C should be able to use a web browser (HTTP) to access the Finance Web Server. Switch#show vlan id 20 B. 172.1. 4 D.16. A Composite Solution With Just One Click . Switch#show ip interface brief C.(Topic 8) What is the correct routing match to reach 172.

168.78.168.65.18.78. ✑ host A 192.4 ✑ The Finance Web Server has been assigned an address of 172.78.1 ✑ host B 192.146.2 ✑ host C 192.22.146.Cisco 200-125 : Practice Test ✑ All hosts in the Core and on local LAN should be able to access the Public Web Server.22.168.168. ✑ The Public Web Server in the Server LAN has been assigned an address of 172.1 – 192.Certification Guaranteed 338 .3 ✑ host D 192. This access list can contain no more than three statements that meet these requirements. You have been tasked to create and apply a numbered access list to a single outbound interface.18. A Composite Solution With Just One Click . ✑ The computers in the Hosts LAN have been assigned addresses of 192.78.254. ✑ The Core connection uses an IP address of 198. ✑ All passwords have been temporarily set to “cisco”.17.209.78.78. Access to the router CLI can be gained by clicking on the appropriate host.168.168.

Certification Guaranteed 339 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

Certification Guaranteed 340 .Cisco 200-125 : Practice Test A Composite Solution With Just One Click .

22.Certification Guaranteed 341 .109. ✑ All access from hosts in the Core or local LAN to the Finance Web Server should be blocked. This can be accomplished with one command (which we need to do as our ACL needs to A Composite Solution With Just One Click . so we will place our numbered access list here in the outbound direction.17 eq 80 Then.22.3 to the Finance Web Server 172.34 PM.168. our next two instructions are these: ✑ Other types of access from host C to the Finance Web Server should be blocked. we know that the servers are located on the fa0/1 interface.Cisco 200-125 : Practice Test Answer: Please see below explanation part for details answer steps: Explanation: We should create an access-list and apply it to the interface that is connected to the Server LAN because it can filter out traffic from both S2 and Core networks. To see which interface this is. use the “show ip int brief” command: Macintosh HD:Users:danielkeller:Desktop:Screen Shot 2015-11-17 at 3.png From this.125.24.17 via HTTP (port 80).109.3 host 172. so our first line is this: Corp1(config)#access-list 100 permit tcp host 192. Corp1#configure terminal Our access-list needs to allow host C – 192.168125.

18.Certification Guaranteed 342 .22.109.22.22. just click on host C to open its web browser. runts Answer: B A Composite Solution With Just One Click . Click on other hosts (A. blocking all other access to the finance web server: Corp1(config)#access-list 100 deny ip any host 172.109. deferred F.109. no earner B.18) Corp1(config)#access-list 100 permit ip host 172. giants D. late collisions C.109.17 Our last instruction is to allow all hosts in the Core and on the local LAN access to the Public Web Server (172. Then.(Topic 8) Which interface counter can you use to diagnose a duplex mismatch problem? A. To verify. CRC errors E.22.17 to check if you are allowed to access Finance Web Server or not.22. save the configuration Corp1(config-if)#end Corp1#copy running-config startup-config Question No : 352 .18 any Finally. apply this access-list to Fa0/1 interface (outbound direction) Corp1(config)#interface fa0/1 Corp1(config-if)#ip access-group 100 out Notice: We have to apply the access-list to Fa0/1 interface (not Fa0/0 interface) so that the access-list can filter traffic coming from both the LAN and the Core networks. B and D) and check to make sure you can’t access Finance Web Server from these hosts.Cisco 200-125 : Practice Test be no more than 3 lines long). repeat to make sure they can reach the public server at 172. In the address box type http://172.109. If your configuration is correct then you can access it. Finally.

(Topic 8) A Composite Solution With Just One Click . SSH D. Which user-mode password has just been set? A.Cisco 200-125 : Practice Test Question No : 353 .) A.B Question No : 354 . ip flow ingress D. Telnet B.(Topic 8) Refer to the exhibit. ip flow-export destination Answer: A. show ip cache flow C. Console Answer: A Question No : 355 . interface ethernet 0/0 F. Auxiliary C.(Topic 8) Which two commands can you enter to verify that a configured NetFlow data export is operational? (Choose two.Certification Guaranteed 343 . ip flow egress E. show ip flow export B.

RSVP Answer: D Explanation: When implemented on all nodes in the path. CBWFQ C. RSVP guarantees bandwidth for the call along the entire path for the entire duration of the call.B Question No : 356 . D. determine whether additional hardware has been added B. The advertised prefix length must be 64 bits. This is the only technique that achieves this level of accuracy. PQ B. E. The advertised prefix length must be 48 bits. B.) A. Answer: A. They are sourced from the configured IPv6 interface address.(Topic 8) A Composite Solution With Just One Click .(Topic 8) What is the purpose of the POST operation on a router? A. round robin D.Certification Guaranteed 344 .(Topic 8) Which feature can you implement to reserve bandwidth for VoIP calls across the call path? A. Question No : 358 . enable a TFTP server D. locate an IOS image for booting C. Their destination is always the link-local address of the neighboring node. set the configuration register Answer: A Question No : 357 .Cisco 200-125 : Practice Test Which two statements about IPv6 router advertisement messages are true? (Choose two. They use ICMPv6 type 134. C.

transport input all Answer: D Question No : 359 .(Topic 8) Which function of the IP SLAs ICMP jitter operation can you use to determine whether a VoIP issue is caused by excessive end-to-end time? A. ROMMON mode Answer: A Question No : 361 . transport output all C.Cisco 200-125 : Practice Test Which command is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols? A. jitter C.(Topic 8) Which command can you execute to set the user inactivity timer to 10 seconds? A Composite Solution With Just One Click . successive packet loss D. round-trip time latency Answer: D Question No : 360 . transport type all B. bootstrap B. packet loss B. mini-IOS D. transport preferred all D.(Topic 8) Which step in the router boot process searches for an IOS image to load into the router? A. POST C.Certification Guaranteed 345 .

switch-mdf-c1>hostname switch-mdf1 C. show ip debug nat D.(Topic 8) Which command can you enter to display the hits counter for NAT traffic? A. SW1(config-line)#absolute-timeout 0 10 D. SW1(config-line)#exec-timeout 0 10 B. SW1(config-line)#absolute-timeout 10 Answer: A Question No : 362 . switch-mdf-c1#hostname switch-mdf1 D. show ip nat statistics B.Certification Guaranteed 346 . debug ip nat C. Enable password c1sc0 B. Secret enable c1sc0 C.(Topic 8) Which command can you use to set the hostname on a switch? A.Cisco 200-125 : Practice Test A.(Topic 8) Which command sets and automatically encrypts the privileged enable mode password? A. SW1(config-line)#exec-timeout 10 C. switch-mdf-c1(config)#hostname switch-mdf1 B. switch-mdf-c1(config-if)#hostname switch-mdf1 Answer: A Question No : 364 . clear ip nat statistics Answer: A Question No : 363 . Password enable c1sc0 D. Enable secret c1sc0 A Composite Solution With Just One Click .

) A.) A. It burdens the source host without affecting remote hosts.B A Composite Solution With Just One Click . external global F.(Topic 8) Which two statements about IPv4 multicast traffic are true? (Choose two. outside private E.Cisco 200-125 : Practice Test Answer: D Question No : 365 . inside global C. inside local B. inside private D. It simultaneously delivers multiple streams of data. IP multicast delivers application source traffic to multiple receivers without burdening the source or the receivers while using a minimum of network bandwidth.E Explanation: IP multicast is a bandwidth-conserving technology that reduces traffic by simultaneously delivering a single stream of information to potentially thousands of corporate recipients and homes. stock quotes. Multicast packets are replicated in the network at the point where paths diverge by Cisco routers enabled with Protocol Independent Multicast (PIM) and other supporting multicast protocols. It is bandwidth-intensive.(Topic 8) Which two types of NAT addresses are used in a Cisco NAT device? (Choose two. distance learning. Applications that take advantage of multicast include video conferencing. It is the most efficient way to deliver data to multiple receivers.Certification Guaranteed 347 . B. Answer: D. D. resulting in the most efficient delivery of data to multiple receivers. C. E. It uses a minimum amount of network bandwidth. external local Answer: A. Question No : 366 . and news. and distribution of software. corporate communications.

Router(config)#boot bootldr bootflash:c4500-jk9s-mz.Certification Guaranteed 348 . Router(config)# boot system flash c4500-p-mz.bin Answer: A.122-33. Router(config)# boot system tftp c7300-js-mz.bin B.122-23f.(Topic 8) Which condition indicates that service password-encryption is enabled? A Composite Solution With Just One Click .121-20.bin E. Answer: D Question No : 369 .) A. What is the result of setting the no login command? A. D.bin D.B. Router(config)#boot system rom c7301-advipservicesk9-mz. Telnet access requires a new password at the first login.C Question No : 368 . Telnet access is denied. C.bin C.(Topic 8) Refer to the exhibit.(Topic 8) Which three commands can you use to set a router boot image? (Choose three.Cisco 200-125 : Practice Test Question No : 367 .SB8a. Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T. Telnet access requires a new password. no password is required for telnet access.124-24.bin F.T4. B. Router> boot flash:c180x-adventerprisek9-mz-124-6T.

The local username password is encrypted in the configuration. show ip interface brief B. which command can you enter to verify the status of the interface and determine whether fast switching is enabled? A. show interfaces D. Router#show ip interface loopback 0 B. show interface switchport Answer: A Question No : 371 . Router#show interface loopback 0 D.(Topic 8) Which command can you enter to determine whether a switch is operating in trunking mode? A.(Topic 8) After you configure the Loopback0 interface. The enable secret is encrypted in the configuration. D. The local username password is in clear text in the configuration. The enable secret is in clear text in the configuration. show vlan C.Cisco 200-125 : Practice Test A. B. NTP A Composite Solution With Just One Click . Router#show ip interface brief Answer: A Question No : 372 . C. Router#show run C.Certification Guaranteed 349 .(Topic 8) Which technology allows a large number of private IP addresses to be represented by a smaller number of public IP addresses? A. NAT B. Answer: A Question No : 370 .

IPS F.) A. ATM B.B. It enables the transmission of IPv6 packets within the configured tunnel. site-to-site VPN E. municipal Wi-Fi D. It specifies IPv4 as the encapsulation protocol. RFC 1918 Answer: A Question No : 373 .C Question No : 374 . A Composite Solution With Just One Click . WiMax B.(Topic 8) Which two security appliances will you use in a network? (Choose two. IOX E. satellite Internet C. B.) A.Certification Guaranteed 350 . CMTS Answer: A. IOS D.) A. RFC 1631 D. DSLAM F.E Question No : 375 .(Topic 8) Which two statements about the tunnel mode ipv6ip command are true? (Choose two. IDS C.Cisco 200-125 : Practice Test C.(Topic 8) What are three broadband wireless technologies? (Choose three. SDM Answer: B.

(Topic 8) If the primary root bridge experiences a power loss.B Question No : 376 . As a result. console. E. Only the enable secret password will be encrypted. D.(Topic 8) What is the effect of using the service password-encryption command? A. It specifies IPv6 as the encapsulation protocol.90C5 Answer: A Question No : 377 .Cisco 200-125 : Practice Test C. switch 00E0.6BE3 C. A Composite Solution With Just One Click . switch 00E0. all the passwords are encrypted. the security of device access is improved.0BC0. Use the show run command to show most passwords in clear text. Only passwords configured after the command has been entered will be encrypted. It will encrypt the secret password and remove the enable secret password from the configuration. AUX passwords are configured on the Cisco device. Answer: B Explanation: Enable vty. It specifies IPv6 as the transport protocol.F726. which switch takes over? A.Certification Guaranteed 351 . It will encrypt all current and future passwords.9A1A.C182 B.3DC6 D. B. It specifies that the tunnel is a Teredo tunnel. Only the enable password will be encrypted. If the service password-encryption is used. switch 0004. D. switch 0040.F90B. E. Answer: A. C.

Cisco 200-125 : Practice Test Question No : 378 . but IETF recommendations suggest the use of lower case letters. fd15:db8:0::700:3:4F:527B D.[1] Thus. An example of an IPv6 address is: 2001:0db8:85a3:0000:0000:8a2e:0370:7334 The hexadecimal digits are case-insensitive.[1] Thus. The groups are separated by colons (:). fd15:db8::700:3:400F:572B Answer: D. fd15:0db8::7:3:4F:527B E.E Explanation: An IPv6 address is represented as eight groups of four hexadecimal digits. fd15:0db8:0000:0000:700:3:400F:527B B. The full representation of eight 4-digit groups may be simplified by several techniques.Certification Guaranteed 352 . fd15::db8::700:3:400F:527B C.) A. Leading zeroes Leading zeroes in a group may be omitted. eliminating parts of the representation.(Topic 8) In which two formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written? (Choose two. the example address can be further simplified: 2001:db8:85a3::8a2e:370:7334 Question No : 379 . the example address may be written as: 2001:db8:85a3:0:0:8a2e:370:7334 Groups of zeroes One consecutive group of zero value may be replaced with a single empty group using two consecutive colons (::). each group representing 16 bits (two octets).(Topic 8) Which command sequence can you enter to create VLAN 20 and assign it to an interface on a switch? A. Switch(config)#vlan 20 A Composite Solution With Just One Click .

Cisco 200-125 : Practice Test Switch(config)#Interface gig x/y Switch(config-if)#switchport access vlan 20 B. router#show platform B. Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport trunk native vlan 20 D. Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport access vlan 20 E. router#\show ip interface brief Answer: C Question No : 381 . router#show interfaces Serial 0/2/0 C. router#show ip interface s0/2/0 D.(Topic 8) Which technology can enable multiple VLANs to communicate with one another? A. intra-VLAN routing using router on a stick D.Certification Guaranteed 353 . intra-VLAN routing using a Layer 3 switch Answer: A A Composite Solution With Just One Click . Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport trunk allowed vlan 20 Answer: A Question No : 380 . Switch(config)#Interface gig x/y Switch(config-if)#vlan 20 Switch(config-vlan)#switchport access vlan 20 C. inter-VLAN routing using a Layer 3 switch B. inter-VLAN routing using a Layer 2 switch C.(Topic 8) Which command can you enter to determine whether serial interface 0/2/0 has been configured using HDLC encapsulation? A.

There is a duplex mismatch. C. E.(Topic 8) In which three ways is an IPv6 header simpler than an IPv4 header? (Choose three. B. B. IPv6 headers use the Fragment Offset field in place of the IPv4 Fragmentation field. IPv6 headers eliminate the IPv4 Checksum field. D. It prevents the correct translation of IP addresses on the inside network. E. Excessive collisions occur when a frame is dropped because of encountering 16 collisions A Composite Solution With Just One Click . F. IPv6 headers use a 4-bit TTL field. IPv6 uses an extension header instead of the IPv4 Fragmentation field.C Question No : 384 . and IPv4 headers use an 8-bit TTL field.(Topic 8) What is the danger of the permit any entry in a NAT access list? A. Answer: A. D. It can disable the overload command. Unlike IPv4 headers. It can cause too many addresses to be assigned to the same interface. D.Cisco 200-125 : Practice Test Question No : 382 . The interface is configured with the shutdown command. The device at the other end of the connection is powered off. this feature was implemented to handle special collision situations where the switch detected excessive or late collisions on a port. Answer: A Question No : 383 . Port security has disabled the interface. F. IPv6 headers have a fixed length.(Topic 8) Which condition does the err-disabled status indicate on an Ethernet interface? A. C. B. The interface is fully functioning. IPv6 headers use a smaller Option field size than IPv4 headers. C.) A.B. The serial interface is disabled.Certification Guaranteed 354 . Answer: A Explanation: Causes of errDisable At first. It can lead to overloaded resources on the router.

Question No : 385 . For example on the catalyst 6500 running catOS. Hop Limit B. As the capabilities of the CatOS grew. These types of errors could be caused by a cable that is out of specification (too long. as long as one determines and resolves its root cause. or a port duplex misconfiguration.(Topic 8) A Composite Solution With Just One Click . TTD D. a bad network interface card (NIC) card (with physical problems. as long as they do not exceed a small percentage of traffic. defective). a port being error-disabled is not by itself a cause for alarm. there were more ways that a port could become error-disabled. Remember. This last cause is common because of failures to negotiate the speed and duplex properly between two directly connected devices (for example. Flow Label C. Hop Count E. due to the Carrier-Sense MultiAccess (CSMA) nature of Ethernet. An error-disabled port is a symptom of a deeper problem that must be resolved. Scan Timer Answer: A Question No : 386 . Only halfduplex connections should ever have collisions in a LAN. the Errdisable feature is supported for these connectivity issues: ✑ ARP inspection ✑ Broadcast suppression ✑ BPDU port-guard ✑ Channel misconfiguration ✑ Crossbar failure ✑ Duplex mismatch ✑ Layer 2 protocol tunnel misconfiguration ✑ Layer 2 protocol tunnel threshold exceeded ✑ UDLD The error-disable function allows the switch to shut down a port when it encounters any of these situations. or driver problems).(Topic 8) Which IPv6 header field is equivalent to the TTL? A.Certification Guaranteed 355 . a NIC card connected to a switch). Late collisions occur after every device on the wire should have recognized that the wire was in use. wrong type.Cisco 200-125 : Practice Test in a row. collisions are normal for half-duplex.

EIGRPv3 was developed to support IPv6 routing.(Topic 8) Which three statements about IPv6 prefixes are true? (Choose three.Certification Guaranteed 356 . Loopback addresses are used to form routing adjacencies. B. OSPFv3 was developed to support IPv6 routing. D. Link-local addresses are used to form routing adjacencies. FE80::/10 is used for link-local unicast. 2001::1/127 is used for loopback addresses. Leased lines provide inexpensive WAN access. and BGP are the only routing protocols that support IPv6.) A. FEC0::/10 is used for IPv6 broadcast. Answer: A.B.C Question No : 388 . B.Cisco 200-125 : Practice Test Which two statements about IPv6 and routing protocols are true? (Choose two. OSPF.B Question No : 387 . EIGRP.) A. E. C. Leased lines provide highly flexible bandwidth scaling. D. C. Answer: A. C. Leased lines support up to T1 link speeds. D. Leased lines require little installation and maintenance expertise. B.D Question No : 389 . FC00::/7 is used in private networks.(Topic 8) A Composite Solution With Just One Click . Answer: C. Leased lines with sufficient bandwidth can avoid latency between endpoints.(Topic 8) Which two statements about using leased lines for your WAN infrastructure are true? (Choose two. E.) A. Multiple leased lines can share a router interface. E. F. FF00:/8 is used for IPv6 multicast. FE80::/8 is used for link-local unicast. F.

provides common view of entire topology B. router(config)#ip route 0.(Topic 8) Which type of address is the public IP address of a NAT device? A.255.0.0.0 255.255 GigabitEthernet0/1 C. utilizes event-triggered updates E.0 GigabitEthernet0/1 B.C. inside public Answer: C Question No : 391 . outside local C. outside public F.0.0. inside global D.0. router(config-router)#default-information originate D.0 0.(Topic 8) A Composite Solution With Just One Click .255. calculates shortest path D. router(config)#ip route 0.Certification Guaranteed 357 .) A.D Question No : 392 . router(config-router)#default-information originate always Answer: A Question No : 390 . utilizes frequent periodic updates Answer: A. exchanges routing tables with neighbors C.0.Cisco 200-125 : Practice Test Which command can you enter to set the default route for all traffic to an interface? A.(Topic 8) Which three characteristics are representative of a link-state routing protocol? (Choose three. inside local E. outside global B.

It enables the outside interface to forward traffic. the browser cache Answer: A Question No : 394 . C. Physical access to a system or network provides the opportunity for an intruder to damage. B. procedures should be implemented to ensure that systems and networks are physically secure. software.(Topic 8) What should be part of a comprehensive network security plan? A. a recursive DNS search B. It enables the use of a secondary pool of IP addresses when the first pool is depleted. Delay deployment of software patches and updates until their effect on end-user equipment is well known and widely reported E. D. therefore. the operating system cache C. Minimize network overhead by deactivating automatic antivirus client updates.Certification Guaranteed 358 . or corrupt computer equipment. It enables port address translation. Answer: A Question No : 393 . it A Composite Solution With Just One Click . the ISP local cache D. C.(Topic 8) What is the authoritative source for an address lookup? A.Cisco 200-125 : Practice Test What is the effect of the overload keyword in a static NAT translation configuration? A. It enables the inside interface to receive traffic. Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten. When computer systems are networked with other departments or agencies for the purpose of sharing information. Answer: B Explanation: Computer systems and networks are vulnerable to physical attack. and information. Physically secure network equipment from potential access by unauthorized individuals. steal. B. Allow users to develop their own approach to network security. D.

B. thereby compromising the entire network. and then acting on the response that is returned. It provides encrypted multiprotocol support. D.Cisco 200-125 : Practice Test is critical that each party to the network take appropriate measures to ensure that its system will not be physically breached. any user passwords are sent encrypted between the client and RADIUS server. Physical security procedures may be the least expensive to implement but can also be the most costly if not implemented. Cisco has incorporated the RADIUS Client into Cisco IOS Software Release 11. UNIX login. Flexible Authentication Mechanisms The RADIUS server supports a variety of methods to authenticate a user. It ensures that user activity is fully anonymous. Answer: A Explanation: RADIUS Background RADIUS is an access server that uses AAA protocol. it can support PPP. It is a system of distributed security that secures remote access to networks and network services against unauthorized access. C. Network Security Transactions between the client and RADIUS server are authenticated through the use of a shared secret. Question No : 395 . Password Authentication Protocol (PAP). authenticating the user.Certification Guaranteed 359 . or Challenge Handshake Authentication Protocol (CHAP).1 and later and other device software. which is never sent over the network. It supports EAP authentication for connecting to wireless networks. This eliminates the possibility that someone snooping on an unsecured network could determine a user's password. and returning all configuration information necessary for the client to deliver service to the user. RADIUS comprises three components: ✑ A protocol with a frame format that utilizes User Datagram Protocol (UDP)/IP. Device-administration packets are encrypted in their entirety. while the clients reside in the dial-up access servers and can be distributed throughout the network. The most expensive and sophisticated computer protection software can be overcome once an intruder obtains physical access to the network. The client is responsible for passing user information to designated RADIUS servers. Client/Server Model A network access server (NAS) operates as a client of RADIUS. ✑ A client. In addition. The RADIUS servers can act as proxy clients to other kinds of authentication servers. RADIUS servers are responsible for receiving user connection requests. ✑ A server. When it is provided with the user name and original password given by the user.(Topic 8) Which statement about RADIUS security is true? A. and other authentication A Composite Solution With Just One Click . The server runs on a central computer typically at the customer's site.

the lowest IP address among its active interfaces E. what value does a router use for the OSPF router ID in the absence of a loopback interface? A. RADIUS does not support these protocols: ✑ AppleTalk Remote Access (ARA) protocol ✑ NetBIOS Frame Protocol Control protocol ✑ Novell Asynchronous Services Interface (NASI) ✑ X. one or more backup virtual routers D. exactly one active router B. In the event that no loopback interface is configured.(Topic 8) If all OSPF routers in a single area are configured with the same priority value.) A. the router ID will be the first active interface that comes up on the router. the IP address of the first Fast Ethernet interface B.Certification Guaranteed 360 .(Topic 8) What are two requirements for an HSRP group? (Choose two. exactly one standby active router E. Question No : 396 . the IP address of the console management interface C. one or more standby routers C.B A Composite Solution With Just One Click . exactly one backup virtual router Answer: A. Question No : 397 . the priority value until a loopback interface is configured Answer: C Explanation: Ordinarily the loopback interface would be selected as the router ID.Cisco 200-125 : Practice Test mechanisms.25 PAD connection TACACS+ offers multiprotocol support. the highest IP address among its active interfaces D. then the highest address will be selected as the Router ID. If that particular interface has more then one IP address.

F. available with all Cisco wireless controllers. The ISP is blocking the traffic. Answer: B. E.Cisco 200-125 : Practice Test Question No : 398 . The tunnel interface is down.C. C.(Topic 8) Which two statements about wireless LAN controllers are true? (Choose two. A valid route to the destination address is missing from the routing table. The tunnel destination IP address must also be routable. or security settings at any time through centralized provisioning and management. They can manage mobility policies at a systemwide level. C.(Topic 8) Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three. operations. Answer: A. They rely on external firewalls for WLAN security.) A.D Explanation: Normally. They are best suited to smaller wireless networks. An ACL is blocking the outbound traffic. This means that a static route or PBR forwarding of A Composite Solution With Just One Click . and management. and remote access. wireless. One PolicyIncrease security with context-based control and user-specific services with a single source of business policy across wired.) A. They must be configured through a GUI over HTTP or HTTPS.E Explanation: Simplified OperationsCisco wireless controllers reduce operational expenses by simplifying network deployment. a GRE Tunnel interface comes up as soon as it is configured and it stays up as long as there is a valid tunnel source address or interface which is up.Certification Guaranteed 361 . They can simplify the management and deployment of wireless LANs. Respond to organizational growth with the Cisco scale-as-it-grows licensing model. B. D. Configure wireless policy. The tunnel interface IP address is misconfigured. management. Question No : 399 . The tunnel address is routed through the tunnel itself. D. This is true even if the other side of the tunnel has not been configured. B. E.

Before GRE keepalives were implemented. Question No : 400 . It runs over the transport layer. Keepalives on the GRE tunnel interface are used in order to solve this issue in the same way as keepalives are used on physical interfaces. These three rules (missing route. VRRP B. GLBP C. This causes data packets that go through the GRE tunnel to be "black holed". but are lost before they reach the other end of the tunnel. interface down and mis-routed tunnel destination) are problems local to the router at the tunnel endpoints and do not cover problems in the intervening network.Certification Guaranteed 362 .Cisco 200-125 : Practice Test packets via the GRE tunnel interface remains in effect even though the GRE tunnel packets do not reach the other end of the tunnel. these rules do not cover the case in which the GRE tunneled packets are successfully forwarded. ✑ The route to the tunnel destination address is through the tunnel itself. TFTP D. It is configured in global configuration mode. C. For example. It is a Cisco proprietary protocol. there were only three reasons for a GRE tunnel to shut down: ✑ There is no route to the tunnel destination address. DHCP Answer: A Question No : 401 . Answer: B Explanation: LLDP runs over the Data Link Layer.(Topic 8) Which standards-based First Hop Redundancy Protocol is a Cisco supported alternative to Hot Standby Router Protocol? A.(Topic 8) Which statement about LLDP is true? A. so devices that use different Network A Composite Solution With Just One Click . even though an alternate route that uses PBR or a floating static route via another interface is potentially available. D. B. The LLDP update frequency is a fixed value. ✑ The interface that anchors the tunnel source is down.

LLDP performs functions similar to several proprietary protocols. principally wired Ethernet The protocol is formally referred to by the IEEE as Station and Media Access Control Connectivity Discovery specified in IEEE 802.Certification Guaranteed 363 . such as the Cisco Discovery Protocol (CDP). The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol in the Internet Protocol Suite used by network devices for advertising their identity.3-2012 section 6 clause 79. A Composite Solution With Just One Click . and Microsoft's Link Layer Topology Discovery (LLTD).Cisco 200-125 : Practice Test so Answer D is wrong LLDP or Link Layer Discovery Protocol is vendor neutral. Foundry Discovery Protocol (FDP). Extreme Discovery Protocol.1AB[2] and IEEE 802. capabilities. Nortel Discovery Protocol (also known as SONMP). and neighbors on an IEEE 802 local area network.

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