200-125.examcollection.premium.exam.

62q
Number: 200-125
Passing Score: 800
Time Limit: 120 min
File Version: 1.0

200-125
Cisco Certified Network Associate Exam
Version 1.0

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Exam A
QUESTION 1
A network administrator needs to configure port security on a switch. Which two statements are true? (Choose two.)
A.
B.
C.
D.
E.

The network administrator can apply port security to dynamic access ports.
The network administrator can apply port security to EtherChannels.
The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
When dynamic MAC address learning is enabled on an interface, the switch can learn new addresses, up to the maximum defined.
The network administrator can configure static secure or sticky secure MAC addresses in the voice VLAN.

Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 2
Which interface counter can you use to diagnose a duplex mismatch problem?
A.
B.
C.
D.
E.
F.

no carrier
late collisions
giants
CRC errors
deferred
runts

Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 3
Which switching method duplicates the first six bytes of a frame before making a switching decision?
A. fragment-free switching
B. store-and-forward switching

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C. cut-through switching
D. ASIC switching
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 4
Which logging command can enable administrators to correlate syslog messages with millisecond precision?
A.
B.
C.
D.
E.

no logging console
logging buffered 4
no logging monitor
service timestamps log datetime mscec
logging host 10.2.0.21

Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 5
Which two spanning-tree port states does RSTP combine to allow faster convergence? (Choose two.)
A.
B.
C.
D.
E.

blocking
learning
forwarding
discarding
listening

Correct Answer: AE
Section: (none)
Explanation
Explanation/Reference:

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show vlan C.VCE to PDF Converter . show interfaces www.VCE Exam Simulator .) A.IT Certifications . B. C.Download A+ VCE (latest) free Open VCE Exams . F. PQ CBWFQ round robin RSVP Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 7 Which three statements about link-state routing are true? (Choose three. It uses split horizon. RIP is a link-state protocol.com .Explanation: QUESTION 6 Which feature can you implement to reserve bandwidth for VoIP calls across the call path? A. E.vceplus. Correct Answer: ADF Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 8 Which command can you enter to determine whether a switch is operating in trunking mode? A. show ip interface brief B. Updates are sent to a multicast address by default. D. OSPF is a link-state protocol. B.VCE Online . Updates are sent to a broadcast address. D. Routes are updated when a change in topology occurs. C.

Download A+ VCE (latest) free Open VCE Exams . Port-based VLANs increase switch-port use efficiency. Correct Answer: ACG Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 10 Which command can you enter to view the ports that are assigned to VLAN 20? A. because the VLANs all belong to the same broadcast domain.IT Certifications . A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.VCE to PDF Converter . G. F.VCE Exam Simulator . thanks to 802. B.D. Broadcast storms can be mitigated by decreasing the number of broadcast domains. thus increasing their size. B.VCE Online . Broadcast storms can be mitigated by increasing the number of broadcast domains. VLANs make it easier for IT staff to configure new logical groups. A higher level of network security can be reached by separating sensitive data traffic from other network traffic.1Q trunks. Switch#show ip interface vlan 20 Switch#show vlan id 20 Switch#show ip interface brief Switch#show interface vlan 20 Correct Answer: B Section: (none) Explanation Explanation/Reference: www.) A. E. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure. D. D.vceplus. thus reducing their size. C.com . show interface switchport Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 9 What are three benefits of implementing VLANs? (Choose three. C.

B. It supports significantly higher transmission speeds than UDP. fd15:0db8:0000:0000:700:3:400F:527B fd15::db8::700:3:400F:527B fd15:db8:0::700:3:4F:527B fd15:0db8::7:3:4F:527B fd15:db8::700:3:400F:572B Correct Answer: AE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 12 When an interface is configured with PortFast BPDU guard. www. It uses a single SYN-ACK message to establish a connection. The connection is established before data is transmitted. B. C.VCE Online . D.vceplus. It goes into a down/down state. It becomes the root bridge for the configured VLAN. E. It continues operating normally.Download A+ VCE (latest) free Open VCE Exams .com .) A. how does the interface respond when it receives a BPDU? A.VCE to PDF Converter . D.Explanation: QUESTION 11 In which two formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written? (Choose two.IT Certifications .VCE Exam Simulator . It goes into an errdisable state. It ensures that all data is transmitted and received by the remote device. D. Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 13 What are three characteristics of the TCP protocol? (Choose three. C.) A. C. B.

Correct Answer: BCF Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 14 Scenario Refer to the topology.com . Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.VCE Online .VCE to PDF Converter .E. Use appropriate show commands to troubleshoot the issues and answer all four questions. It requires applications to determine when data packets must be retransmitted. F.Download A+ VCE (latest) free Open VCE Exams . It uses separate SYN and ACK messages to establish a connection.VCE Exam Simulator .vceplus. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.IT Certifications . Instructions www.

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VCE Exam Simulator . What is causing the problem? A.An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branch1 office. There is an area ID mismatch. B. Correct Answer: A Section: (none) Explanation www. There is an OSPF hello and dead interval mismatch.VCE to PDF Converter . C.VCE Online .com .IT Certifications . The R3 router ID is configured on R4. an encapsulation mismatch on serial links.Download A+ VCE (latest) free Open VCE Exams .vceplus. D. There is a Layer 2 issue.

255.VCE Exam Simulator .255ip ospf 5 area 0!interface Ethernet0/0ip address 172.168.3 255.10.255.VCE to PDF Converter .240.10.255. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.168.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.10.1 255.255.1.VCE Online .255.168.255.168.2 255.5.255.240.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.6 255.3! On both R3 and R4 use “show running-config” command to check their S1/0 interfaces R3#show running-config<<output omitted>>!interface Serial1/0description **Connected to R4-Branch1 office**ip address 10.16.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.255.110.10.5 255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.vceplus.10.120.255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.2 255.255.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.Download A+ VCE (latest) free Open VCE Exams .16. Use appropriate show commands to troubleshoot the issues and answer all four questions.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.255.255.com .255.255.255.255.10 255.255.10.1 255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.240.240.230.3 255.9 255.1 255.168.3! R4!interface Loopback0description **Loopback**ip address 192.3. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.230.1 255.255.3.10.1 255.2.113.168.255.255.255.10.4.255.10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.16.255.10.115.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.240.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.1 255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.255.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.IT Certifications .255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.3.255.1 255.1 255.255.240.255.255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.114.5 255.255.255.168.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.168.2 255.255.1 255. www.4 255.255.240. QUESTION 15 Scenario Refer to the topology.6.255.255.6 255.240.230.10.255. interface S1/0 of R3 is in area 0 (R3: ip ospf 3 area 0) while interface s1/0 of R4 is in area 2 (R4: ip ospf 4 area 2).255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.10.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.2 255.10.

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C. There is an area ID mismatch. B. What is causing the problem? A.Download A+ VCE (latest) free Open VCE Exams .vceplus.VCE Exam Simulator . a password mismatch.IT Certifications . There is a PPP authentication issue.An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office.com . D.VCE Online . There is an OSPF hello and dead interval mismatch. Correct Answer: C Section: (none) Explanation www.VCE to PDF Converter . There is a missing network command in the OSPF process on R5.

255.255.6 255.3! R4!interface Loopback0description **Loopback**ip address 192.10. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2. Cost: 64Enabled by interface config.255.5 255. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.10.255. State POINT_TO_POINT.Download A+ VCE (latest) free Open VCE Exams .110.10.255. Dead 200. Wait 200.VCE Exam Simulator .255.255.240. including secondary ip addressesTransmit Delay is 1 sec.255. maximum is 0 msecNeighbor Count is 0.2.3 255.240. Area 0Process ID 3.255.168.255.5.2 255.VCE to PDF Converter .115.120.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.168.255.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.252encapsulation pppip ospf 5 area 0!<<output omitted>> The only difference we can see here is the line “ip ospf hello-interval 50″ on R3.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.10 255.6 255.10.1 255.4 255.113.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.VCE Online .1 255.10.230.1 255.255.255. Therefore we can think of a hello interval mismatch problem here.10.168.240.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.16. Hello 50.168. But the default value of hello-interval is 10 seconds and R5 is using it.6 255.10.9 255.6.168.230.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.10.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.168.255.240.255. In this case after configuring this command.10.255.255.1 255.1 255.255. R3 will send hello packets to R5 every 50 seconds.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.3.255.255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255.255.240. R3#sh ip ospf int s1/1Serial1/1 is up.16.255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.10.10.1 255.168.240.IT Certifications .3 255.com .230.1. Network Type POINT_TO_POINT.255.5 255.240.4.1 255.255.5 255.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.1 255.255.vceplus. maximum is 0Last flood scan time is 0 msec.114.168.2 255.10.3.3! Continue checking their connected interfaces with the “show running-config” command: R3#show running-config<<output omitted>>!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.255.3.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!<<output omitted>> R5#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10. You can verify with the “show ip ospf interface <interface>” command on each router.255.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.255.240.5/30. line protocol is upInternet Address 10.10.168.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.2 255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10. Router ID 192.3.255.255.Timer intervals configured.16.240.255.

QUESTION 16 Scenario Refer to the topology.com .6.10. Use appropriate show commands to troubleshoot the issues and answer all four questions.VCE Exam Simulator .VCE to PDF Converter . Area 0Process ID 5.VCE Online . Dead 40. Cost: 64Enabled by interface config. State POINT_TO_POINT.6/30. Network Type POINT_TO_POINT. line protocol is upInternet Address 10. including secondary ip addressesTransmit Delay is 1 sec.240. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. Router ID 10. Instructions www.IT Certifications . flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0. maximum is 0Last flood scan time is 0 msec.Timer intervals configured.Download A+ VCE (latest) free Open VCE Exams . maximum is 0 msecNeighbor Count is 0. Wait 40. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.R5#sh ip ospf int s1/0Serial1/0 is up.240. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command).vceplus.10. Hello 10. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) So we can see both hello and dead interval are mismatched because the dead interval always four times the value of hello interval.

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VCE Exam Simulator .vceplus.com .Download A+ VCE (latest) free Open VCE Exams .IT Certifications . Correct Answer: B Section: (none) Explanation www. configure no ip ospf hello-interval 25 R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25.VCE Online . configure ip ospf 1 area 0 command under ethernet0/1. configure no ip ospf hello-interval 25 Enable OSPF for R1 ethernet0/1. B. Which option would fix the issue? A. Configure no shutdown command. R1 ethernet0/1 configured with a non-default OSPF hello interval of 25. C.R1 does not form an OSPF neighbor adjacency with R2. R1 ethernet0/1 is shutdown. D.VCE to PDF Converter .

255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.10.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.255.255.3! R4!interface Loopback0description **Loopback**ip address 192.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.16.115.255.255.255.230. So please be careful checking the config on the routers before choosing the correct answers.255.255.Download A+ VCE (latest) free Open VCE Exams .113.4.vceplus.3! Continue checking their connected interfaces with the “show running-config” command: R1#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).com .16. We should configure “no ip ospf hello-interval 25″ on R1.255.255.6 255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.10.255.255.10.3. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch www.168.5 255.IT Certifications .2 255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1 255.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.240.168.168.1 255.0ip ospf 2 area 0!<<output omitted>> We see the hello interval on R1 is not the same as R2 (and you can verify with the “show ip ospf interface <interface> command”) -> There is a hello and dead interval mismatch problem.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.240.VCE to PDF Converter .252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.3 255.10.1 255.2.1 255.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.10 255.1 255.120.2 255.255.1.114.255.168.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192. Note: Maybe there are some versions of this question in the exam.230.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.110.255.255.255.255.255.255.1 255.10.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.9 255.255.240.1 255.VCE Online .255.10.4 255.230.16.2 255.255.10.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.VCE Exam Simulator .6 255.6.10.230.10.3 255.240.255.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.10.168.255.168.255.168.240.168.1 255.255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.10. QUESTION 17 Scenario Refer to the topology.10.2 255.230.3.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.3.5.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.240.255.255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.10.255.5 255.1 255.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.

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There is an OSPF hello and dead interval mismatch. Correct Answer: D Section: (none) Explanation www.IT Certifications .VCE Exam Simulator .VCE Online . The R3 router ID is configured on R6. There is a PPP authentication issue.Download A+ VCE (latest) free Open VCE Exams . D.VCE to PDF Converter . There is an area ID mismatch. What is causing the problem? A.com . C. the username is not configured on R3 and R6. B.vceplus.An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office.

255.255.230.255.2 255.10.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.168. QUESTION 18 What are three advantages of VLANs? (Choose three.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.1 255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.16.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255.1 255.6 255.168.6.240.168.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10. They establish broadcast domains in switched networks.IT Certifications .1 255.10 255.255.3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.1 255. So please check carefully for this question.255.10. The real problem here is R6 uses the same router-id of R3 (192.230.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255.255.255.9 255.3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.5 255.255.255.115.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.168.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.2 255.VCE Online .252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.168.16.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.255.168.10.255.255.10 255.4 255.10.255.110.255.240.9 255.255.1 255.255.255.10.255.vceplus.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.VCE to PDF Converter .5 255.168.3. such configuration error will be shown in the command line interface (CLI).3 255.1 255.255.168.10.1.255.10.168.255. In real life.2.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.3.10.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.114.255.5.240.240.255.6 255.10.3.230.16.10.255.4.252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.3) so OSPF neighborship cannot be established.240.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.3 255.120.Download A+ VCE (latest) free Open VCE Exams .255.10.3.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.2 255. www.VCE Exam Simulator .240.240. Some reports said that only one router has the “ppp authentication chap” command but it is just a trick and is not the problem here.) A.1 255.3.255.3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255.10.113.com .255.240.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255.3! R4!interface Loopback0description **Loopback**ip address 192.10.1 255.168.168.255.255.3.

They provide a method of conserving IP addresses in large networks. or changing hosts on the network. C. C. F.vceplus.VCE to PDF Converter .B. They can simplify adding. B.com .Download A+ VCE (latest) free Open VCE Exams . not physical location. D. E. They utilize packet filtering to enhance network security. They allow access to network services based on department. packet loss jitter successive packet loss round-trip time latency Correct Answer: D Section: (none) Explanation www. D. C.VCE Exam Simulator .VCE Online . They provide a low-latency internetworking alternative to routed networks. D.IT Certifications . router#show platform router#show interfaces Serial 0/2/0 router#show ip interface s0/2/0 router#show ip interface brief Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 20 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. B. Correct Answer: ADE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 19 Which command can you enter to determine whether serial interface 0/2/0 has been configured using HDLC encapsulation? A. moving.

B.com .Download A+ VCE (latest) free Open VCE Exams .VCE Online . it will be blocked by STP. More VLANs will need to be created for this switch. C.IT Certifications . As FastEthernet0/12 will be the last to come up. Correct Answer: B Section: (none) Explanation Explanation/Reference: www.vceplus.Explanation/Reference: Explanation: QUESTION 21 Refer to the exhibit. D. Remote access management of this switch will not be possible without configuration change.VCE to PDF Converter .VCE Exam Simulator . Which of these statements correctly describes the state of the switch once the boot process has been completed? A. The switch will need a different IOS code in order to support VLANs and STР.

vceplus. Host В needs to be assigned an IP address in VLAN 1. Correct Answer: C Section: (none) Explanation www.VCE Exam Simulator . C.Download A+ VCE (latest) free Open VCE Exams .IT Certifications . but pings to the other two hosts are successful.VCE Online . D. host A is unavailable. The switch interfaces need the appropriate IP addresses assigned. The switch needs an appropriate default gateway assigned.VCE to PDF Converter . B. Host В and the switch need to be in the same subnet.com . The switch interface connected to the router is down. The network administrator normally establishes a Telnet session with the switch from host A. What is the issue? A. However. E.Explanation: QUESTION 22 Refer to the exhibit. The administrator's attempt to telnet to the switch from host В fails.

It supports EAP authentication for connecting to wireless networks. F. Device-administration packets are encrypted in their entirety.Explanation/Reference: Explanation: QUESTION 23 Which condition does the err-disabled status indicate on an Ethernet interface? A. C.Download A+ VCE (latest) free Open VCE Exams . Which route or routes will the router install in the routing table? www. D. C. Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 25 A router has learned three possible routes that could be used to reach a destination network. Port security has disabled the interface.vceplus. The device at the other end of the connection is powered off.VCE Exam Simulator . There is a duplex mismatch.com . E.VCE to PDF Converter . D. The serial interface is disabled.VCE Online . The interface is configured with the shutdown command. B. Another route is from OSPF with a metric of 782.IT Certifications . It ensures that user activity is fully anonymous. The last is from RIPv2 and has a metric of 4. It provides encrypted multiprotocol support. One route is from EIGRP and has a composite metric of 20514560. The interface is fully functioning. Correct Answer: E Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 24 Which statement about RADIUS security is true? A. B.

B.VCE Online . It is bandwidth-intensive. D. The presentation layer translates bits into voltages for transmission across the physical link. It is the most efficient way to deliver data to multiple receivers. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.VCE to PDF Converter .) A. It uses a minimum amount of network bandwidth. C. E.VCE Exam Simulator . E. D.IT Certifications . Correct Answer: CE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 27 Which two statements about IPv4 multicast traffic are true? (Choose two.A. The transport layer divides a data stream into segments and may add reliability and flow control information. D. It burdens the source host without affecting remote hosts.com . B. It simultaneously delivers multiple streams of data.) A. C.vceplus. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.Download A+ VCE (latest) free Open VCE Exams . B. C. www. the RIPv2 route all three routes the OSPF and RIPv2 routes the OSPF route the EIGRP route Correct Answer: E Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 26 Which two correctly describe steps in the OSI data encapsulation process? (Choose two. The data link layer adds physical source and destination addresses and an FCS to the segment. E.

48/26 Network A – 172.3.0/30 Link A – 172.Download A+ VCE (latest) free Open VCE Exams . C.VCE Exam Simulator . All of the routers in the network are configured with the ip subnet-zero command. D. Which network addresses should be used for Link A and Network A? (Choose two.128/25 Link A – 172.40/30 www.vceplus. E.16.16.16.3.VCE Online .VCE to PDF Converter .16.Correct Answer: DE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 28 Refer to the exhibit.3.3. Link A – 172.112/30 Network A – 172.16.3. B.) A.com .IT Certifications .

3. D. C.Download A+ VCE (latest) free Open VCE Exams . X.VCE Exam Simulator .25 HDLC PPP Frame Relay Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 31 Which statement about LLDP is true? www.VCE to PDF Converter .vceplus.F.IT Certifications . D. C. B. B.16.VCE Online . Network A – 172.com . Layer 2 bridge Layer 2 switch Layer 3 switch router Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 30 Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms? A.192/26 Correct Answer: AD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 29 Which type of device can be replaced by the use of subinterfaces for VLAN routing? A.

VCE Online .90C5 switch 00E0.IT Certifications . They eliminate the necessity for NAT policies. It is configured in global configuration mode. It runs over the transport layer. D.com .3DC6 Correct Answer: C Section: (none) Explanation www.VCE to PDF Converter . C. They are less costly than public IP addresses.F90B. C.9A1A. switch 0040.Download A+ VCE (latest) free Open VCE Exams .vceplus. Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 32 What are two benefits of private IPv4 IP addresses? (Choose two.C182 switch 00E0.F726. C. E. It is a Cisco proprietary protocol. They can be assigned to devices without Internet connections. B. D.0ВС0. D. B. Correct Answer: BC Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 33 If the primary root bridge experiences a power loss. The LLDP update frequency is a fixed value.) A. They eliminate duplicate IP conflicts. They are routed the same as public IP addresses. which switch takes over? A.VCE Exam Simulator .A.6BE3 switch 0004. B.

The retransmit interval and the queue counts for the adjacent routers also need to be checked. D. C.VCE Online .IT Certifications .VCE to PDF Converter . Router# show ip eigrp neighbors Router# show ip eigrp interfaces Router# show ip eigrp adjacency Router# show ip eigrp topology Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 35 What is the authoritative source for an address lookup? A. B. show ip community-list www. B.vceplus.Explanation/Reference: Explanation: QUESTION 34 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.com .VCE Exam Simulator . What command will display the required information? A.Download A+ VCE (latest) free Open VCE Exams . show ip bgp summary B. C. D. a recursive DNS search the operating system cache the ISP local cache the browser cache Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 36 Which command can you enter to verify that a BGP connection to a remote device is established? A.

VCE to PDF Converter . show ip bgp paths D. show ip route Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 37 Refer to the exhibit. Which three would be the most effective steps to troubleshoot this physical layer www.com .Download A+ VCE (latest) free Open VCE Exams .vceplus. The two connected ports on the switch are not turning orange or green.VCE Exam Simulator .VCE Online .IT Certifications .C.

D. C. the PPP Session phase Phase 2 the Active Discovery phase the Authentication phase Phase 1 Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 39 Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three. B.) A. Reseat all cables. F. The tunnel address is routed through the tunnel itself.VCE Online . A valid route to the destination address is missing from the routing table. D.IT Certifications . Correct Answer: ABF Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 38 During which phase of PPPoE is PPP authentication performed? A.com . B.VCE Exam Simulator .Download A+ VCE (latest) free Open VCE Exams . D. C.problem? (Choose three. www. Ensure cable A is plugged into a trunk port. C.vceplus. E. The tunnel interface IP address is misconfigured. B. Ensure the switch has power.) A. E. Ensure that cables A and В are straight-through cables. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.VCE to PDF Converter . The tunnel interface is down. Reboot all of the devices.

2. F.0.0.VCE Online . E. An ACL is blocking the outbound traffic. FC00::/7 is used in private networks. D. The ISP is blocking the traffic. FE80::/10 is used for link-local unicast.0. FF00::/8 is used for IPv6 multicast.2.2. B.12 show ip dhcp database 10. FE80::/8 is used for link-local unicast. Correct Answer: BDF Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 41 Which command can you enter to display duplicate IP addresses that the DHCP server assigns? A.IT Certifications .) A. F. FEC0::/10 is used for IPv6 broadcast. Correct Answer: BCD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 40 Which three statements about IPv6 prefixes are true? (Choose three. show ip dhcp conflict 10.VCE to PDF Converter .E.12 show ip dhcp server statistics show ip dhcp binding 10.12 Correct Answer: A Section: (none) Explanation Explanation/Reference: www.vceplus.com . B. D.Download A+ VCE (latest) free Open VCE Exams .VCE Exam Simulator . C. 2001::1/127 is used for loopback addresses. C.

com .Download A+ VCE (latest) free Open VCE Exams .VCE Exam Simulator .) A.Explanation: QUESTION 42 Refer to the exhibit.VCE to PDF Converter .vceplus.Fa0/1 Switch В . C.Fа0/1 Switch A . Which three ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three.Fa0/0 www.VCE Online .IT Certifications . B. D.Fa0/l Switch С . Switch B .Fа0/0 Switch A . E.

) A.F. Switch С . Leased lines support up to T1 link speeds. Leased lines with sufficient bandwidth can avoid latency between endpoints.VCE Online . D.Download A+ VCE (latest) free Open VCE Exams . C. E. Leased lines provide inexpensive WAN access.vceplus. Leased lines provide highly flexible bandwidth scaling. Multiple leased lines can share a router interface.VCE Exam Simulator . Leased lines require little installation and maintenance expertise. www. F. B. Correct Answer: CD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 44 Refer to the exhibit.Fa0/0 Correct Answer: ABC Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 43 Which two statements about using leased lines for your WAN infrastructure are true? (Choose two.VCE to PDF Converter .com .IT Certifications .

www.com .vceplus.VCE Exam Simulator .VCE Online .Download A+ VCE (latest) free Open VCE Exams .VCE to PDF Converter .IT Certifications .

Correct Answer: BE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 46 Refer to the exhibit.3 255.VCE Online .168.Download A+ VCE (latest) free Open VCE Exams .24. OSPF. E.0 Switch1(config)# interface fa0/1Switch1(config-if)# duplex fullSwitch1(confiq-if)# speed 100 Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 45 Which two statements about IPv6 and routing protocols are true? (Choose two.VCE Exam Simulator . OSPFv3 was developed to support IPv6 routing. EIGRPv3 was developed to support IPv6 routing.vceplus. Loopback addresses are used to form routing adjacencies. Given the information in the graphic and assuming that the router and Switch2 are configured properly. B.255.com . B. www.) A. C.24. although the hosts attached to Switch1 can ping the interface Fa0/0 of the router. C.255.The network administrator cannot connect to Switch 1 over a Telnet session.IT Certifications .VCE to PDF Converter . E. and BGP are the only routing protocols that support IPv6. Link-local addresses are used to form routing adjacencies. Switch1(config)# ip default-gateway 192.1 Switch1(config)# interface fa0/1Switch1(config-if)# switchport mode trunk Switch1(config)# line con0Switch1(config-line)# password ciscoSwitch1(config-line)# login Switch1(config)# interface fa0/1Switch1(config-if)# ip address 192. D. D.168. EIGRP. which of the following commands should be issued on Switch1 to correct this problem? A.

SwitchD. No other configuration changes have been made. designated SwitchB. C.Download A+ VCE (latest) free Open VCE Exams . Gi0/2. Fa0/2. D. B. root www. F.vceplus. root SwitchB. Which three of these show the correct RSTP port roles for the indicated switches and interfaces? (Choose three. Fa0/2.VCE Exam Simulator . as well as being configured to run RSTP. Fa0/l.VCE to PDF Converter . Gi0/2. E.VCE Online .IT Certifications . root SwitchC.com . Gi0/l. root SwitchA. designated SwitchA.Each of these four switches has been configured with a hostname.) A.

C.VCE Online . D.VCE to PDF Converter .IT Certifications . traceroute telnet ping ping ipv6 Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 49 What will happen if a private IP address is assigned to a public interface connected to an ISP? www.vceplus.com . B.Download A+ VCE (latest) free Open VCE Exams . C. cut through fast switching process switching Cisco Express Forwarding Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 48 Which command can you enter to verify that a 128-bit address is live and responding? A.VCE Exam Simulator . D.Correct Answer: ABD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 47 Which feature builds a FIB and an adjacency table to expedite packet forwarding? A. B.

VCE to PDF Converter . Drag the correct frame and packet address to their place in the table. because other public routers can use the same range.VCE Exam Simulator . The NAT process will be used to translate this address to a valid IP address.VCE Online .vceplus. Only the ISP router will have the capability to access the public network.Download A+ VCE (latest) free Open VCE Exams .com . D. Addresses in a private range will not be routed on the Internet backbone. A conflict of IP addresses happens.IT Certifications . Consider the packets as they leave RouterA interface Fa0/0 towards RouterB. C. Select and Place: www. Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 50 DRAG DROP PC_1 is sending packets to the FTP server. B.A.

vceplus.VCE to PDF Converter .Correct Answer: www.VCE Exam Simulator .com .VCE Online .IT Certifications .Download A+ VCE (latest) free Open VCE Exams .

VCE Exam Simulator .vceplus.VCE to PDF Converter .IT Certifications .Section: (none) Explanation Explanation/Reference: QUESTION 51 What are two reasons that duplex mismatches can be difficult to diagnose? (Choose two.com .Download A+ VCE (latest) free Open VCE Exams .) www.VCE Online .

The local username password is in clear text in the configuration. The enable secret is encrypted in the configuration. C.com . B. B. C. Correct Answer: AD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 52 Which condition indicates that service password-encryption is enabled? A. Autonegotiation is disabled.VCE Exam Simulator . so mismatches may be disguised by collisions. D. D. C.IT Certifications . Full-duplex interfaces use CSMA/CD logic. The local username password is encrypted in the configuration.Download A+ VCE (latest) free Open VCE Exams . B. The symptoms of a duplex mismatch may be intermittent. The interface displays a connected (up/up) state even when the duplex settings are mismatched. D.A. 1-Gbps interfaces are full-duplex by default.vceplus. E. The enable secret is in clear text in the configuration. Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 53 Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices? A.VCE Online .VCE to PDF Converter . cdp run enable cdp cdp enable run cdp Correct Answer: A Section: (none) Explanation www.

They rely on external firewalls for WLAN security. C. E.0 GigabitEthernet0/1 www. Only southbound API interfaces use a Service Abstraction Layer. Both northbound and southbound APIs allow program control of the network. Both northbound and southbound API interfaces use a Service Abstraction Layer.Explanation/Reference: Explanation: QUESTION 54 Which two statements about wireless LAN controllers are true? (Choose two.0.0.VCE Exam Simulator . Only northbound APIs allow program control of the network. F. Only northbound API interfaces use a Service Abstraction Layer. D. They are best suited to smaller wireless networks.) A. They can manage mobility policies at a systemwide level.vceplus. They must be configured through a GUI over HTTP or HTTPS. Correct Answer: BC Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 56 Which command can you enter to set the default route for all traffic to an interface? A. They can simplify the management and deployment of wireless LANs.0. B. B. Correct Answer: AE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 55 Which two statements about northbound and southbound APIs are true? (Choose two.VCE Online . C.0.VCE to PDF Converter .0 0. router(config)#ip route 0. E.Download A+ VCE (latest) free Open VCE Exams .) A. Only southbound APIs allow program control of the network.IT Certifications .com . D.

FHRP DHCP RSMLT ESRP Correct Answer: A Section: (none) Explanation Explanation/Reference: www.com .IT Certifications .0. C. D.B. route(config-router)#default-information originate Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 57 Which step in the router boot process searches for an IOS image to load into the router? A.0 255. D.255.255. router(config-router)#default-information originate always C. B.255 GigabitEthernet0/1 D. B.VCE to PDF Converter . mini-IOS ROMMON mode bootstrap POST Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 58 Which protocol advertises a virtual IP address to facilitate transparent failover of a Cisco routing device? A.vceplus. router(config)#ip route 0.VCE Online . C.0.Download A+ VCE (latest) free Open VCE Exams .VCE Exam Simulator .

Instructions www. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. Use appropriate show commands to troubleshoot the issues and answer all four questions.VCE Exam Simulator .Download A+ VCE (latest) free Open VCE Exams .QUESTION 59 Scenario Refer to the topology.IT Certifications .vceplus.com .VCE Online .VCE to PDF Converter . 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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IT Certifications . What is causing the problem? A. D.com .Download A+ VCE (latest) free Open VCE Exams .VCE Exam Simulator . C.VCE to PDF Converter . B. an encapsulation mismatch on serial links. There is an area ID mismatch.An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branch1 office. The R3 router ID is configured on R4. Correct Answer: A Section: (none) Explanation www.VCE Online . There is an OSPF hello and dead interval mismatch. There is a Layer 2 issue.vceplus.

255.114.255.1 255.240.230.255.5 255.255.VCE Online .255.3 255.10.168.255.255.255.3! On both R3 and R4 use “show running-config” command to check their S1/0 interfaces R3#show running-config<<output omitted>>!interface Serial1/0description **Connected to R4-Branch1 office**ip address 10.255.6 255.6.4.10. www.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.240.2 255.255.255.255.3.255.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.1.IT Certifications .255. QUESTION 60 Scenario Refer to the topology.3! R4!interface Loopback0description **Loopback**ip address 192.1 255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.110.240.10.168.255.168.2 255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.VCE to PDF Converter .255.115.2 255.255.vceplus.4 255.120.255.16.16.10.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.10 255.6 255.10.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.230.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255.1 255.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.255.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.168.255.VCE Exam Simulator .2.168.10.240. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.1 255.240.10.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.1 255.168.168.240.168.5.10.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.255.255.5 255.255.1 255. Use appropriate show commands to troubleshoot the issues and answer all four questions.1 255.3.240.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.240.3. interface S1/0 of R3 is in area 0 (R3: ip ospf 3 area 0) while interface s1/0 of R4 is in area 2 (R4: ip ospf 4 area 2).255.10.2 255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.com .3 255.10.255.1 255.10.1 255.Download A+ VCE (latest) free Open VCE Exams .255.230.255.16.9 255.255.255.10.113.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.10.

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VCE Online . B. There is a PPP authentication issue.vceplus. Correct Answer: C Section: (none) Explanation www.com . What is causing the problem? A.Download A+ VCE (latest) free Open VCE Exams . There is an area ID mismatch.An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. D. There is an OSPF hello and dead interval mismatch. C.IT Certifications .VCE Exam Simulator . There is a missing network command in the OSPF process on R5. a password mismatch.VCE to PDF Converter .

5 255.168.230.255.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.Download A+ VCE (latest) free Open VCE Exams .255.10.5.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.240.255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255. Wait 200.5 255.1 255.255.115. line protocol is upInternet Address 10.255.168.168.240.168.6 255.10.3.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.255.6 255.16. In this case after configuring this command.3.6.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192. maximum is 0 msecNeighbor Count is 0.255.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.16.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.10. Network Type POINT_TO_POINT.3! R4!interface Loopback0description **Loopback**ip address 192.VCE Exam Simulator .1 255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.240.10 255.255. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.255.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.255.255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.10.4 255.240. Hello 50.1 255.240.10. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.VCE to PDF Converter .255. maximum is 0Last flood scan time is 0 msec.1 255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.10.10.255.6 255.255. Router ID 192.com .Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.5/30.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.240.10. including secondary ip addressesTransmit Delay is 1 sec.255. State POINT_TO_POINT.3.3! Continue checking their connected interfaces with the “show running-config” command: R3#show running-config<<output omitted>>!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.Timer intervals configured. Dead 200.120.255.9 255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.3.255.1.255.168.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.114. R3 will send hello packets to R5 every 50 seconds.2 255. You can verify with the “show ip ospf interface <interface>” command on each router.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.255.255.VCE Online .113.255.255.255.240.4.3 255.1 255.1 255.255.255.1 255.240.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.IT Certifications .240.255.252encapsulation pppip ospf 5 area 0!<<output omitted>> The only difference we can see here is the line “ip ospf hello-interval 50″ on R3.255. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.10.255.255.10.3 255.230. Cost: 64Enabled by interface config. R3#sh ip ospf int s1/1Serial1/1 is up.168.168.vceplus.255.2.230. But the default value of hello-interval is 10 seconds and R5 is using it.168.10. Area 0Process ID 3.3.2 255.16.2 255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!<<output omitted>> R5#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.255. Therefore we can think of a hello interval mismatch problem here.110.255.255.255.10.10.5 255. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2.255.

Router ID 10. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. QUESTION 61 Scenario 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. maximum is 0 msecNeighbor Count is 0.vceplus. including secondary ip addressesTransmit Delay is 1 sec. Instructions www. Network Type POINT_TO_POINT.6. Hello 10.Download A+ VCE (latest) free Open VCE Exams .IT Certifications .240.R5#sh ip ospf int s1/0Serial1/0 is up. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command). Wait 40. maximum is 0Last flood scan time is 0 msec.10. State POINT_TO_POINT.VCE to PDF Converter .Timer intervals configured.VCE Exam Simulator . Area 0Process ID 5. Cost: 64Enabled by interface config. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1.VCE Online .com .240. Dead 40. Use appropriate show commands to troubleshoot the issues and answer all four questions.10. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.6/30. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) So we can see both hello and dead interval are mismatched because the dead interval always four times the value of hello interval. line protocol is upInternet Address 10.

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R1 does not form an OSPF neighbor adjacency with R2.IT Certifications .VCE to PDF Converter . D. Which option would fix the issue? A.VCE Online . R1 ethernet0/1 is shutdown. R1 ethernet0/1 configured with a non-default OSPF hello interval of 25. configure no ip ospf hello-interval 25 R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25. Correct Answer: B Section: (none) Explanation www. B.VCE Exam Simulator . configure ip ospf 1 area 0 command under ethernet0/1. configure no ip ospf hello-interval 25 Enable OSPF for R1 ethernet0/1. Configure no shutdown command.vceplus.Download A+ VCE (latest) free Open VCE Exams .com . C.

240.255.255.255.1 255.168.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.10. Note: Maybe there are some versions of this question in the exam.2 255.10 255.255.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.110.1 255.255.255.VCE to PDF Converter .168.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.16.1 255.2 255.3 255.255.10.255.255.168.255.1 255.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10. So please be careful checking the config on the routers before choosing the correct answers.6 255.16.240.255.240.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.10.230.255.255.3.255.5.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.10.1 255.168.5 255.255.230.10.255.168.255.240.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.255.255. We should configure “no ip ospf hello-interval 25″ on R1.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.10. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).10.255.16.255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.255.255.168.1 255.vceplus.2 255.0ip ospf 2 area 0!<<output omitted>> We see the hello interval on R1 is not the same as R2 (and you can verify with the “show ip ospf interface <interface> command”) -> There is a hello and dead interval mismatch problem.113.1.255.3! Continue checking their connected interfaces with the “show running-config” command: R1#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.114.3.com .10.6 255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.5 255.255.6.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.VCE Online .255.2 255.255.240.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.115.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.9 255.10.230.230.255. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch www.255.4.3. QUESTION 62 Scenario Refer to the topology.10.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.IT Certifications .255.VCE Exam Simulator .0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3! R4!interface Loopback0description **Loopback**ip address 192.168.255. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.Download A+ VCE (latest) free Open VCE Exams .255.3 255.230.1 255.4 255.240.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.10.168.1 255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.10.2.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.120.10.255.255.

IT Certifications .VCE Exam Simulator .VCE Online .offices. Use appropriate show commands to troubleshoot the issues and answer all four questions.vceplus.VCE to PDF Converter .com .Download A+ VCE (latest) free Open VCE Exams . Instructions www.

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IT Certifications . The R3 router ID is configured on R6.An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office.com .VCE to PDF Converter .VCE Exam Simulator . There is an area ID mismatch.Download A+ VCE (latest) free Open VCE Exams .VCE Online .vceplus. What is causing the problem? A. Correct Answer: D Section: (none) Explanation www. C. D. There is a PPP authentication issue. B. the username is not configured on R3 and R6. There is an OSPF hello and dead interval mismatch.

255.240.VCE to PDF Converter .255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.240.6 255.10.168.10.10 255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.9 255.6 255. www.10 255.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.3 255.VCE Exam Simulator .255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.168.10.1 255. So please check carefully for this question.10.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10. In real life.2.120.1 255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.168.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.255.3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.255.10.255.255.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.255.255.255.168.168.113.1 255.114.9 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.5 255.5.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3.240.6.255.1 255.115.240.255.16.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255.255.2 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.255.3.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.3.168.10.Download A+ VCE (latest) free Open VCE Exams .255.255.3 255. such configuration error will be shown in the command line interface (CLI).255.255.230.16.1 255.3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.240.1 255.230.5 255.4. The real problem here is R6 uses the same router-id of R3 (192.255.255.230. Some reports said that only one router has the “ppp authentication chap” command but it is just a trick and is not the problem here.255.10.168.VCE Online .0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.10.3.3.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.168.255.16.4 255.240.255.1 255.168.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.10.3.IT Certifications .240.10.3) so OSPF neighborship cannot be established.255.10.255.com .168.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.2 255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.240.vceplus.255.255.168.255.3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.10.255.10.110.2 255.255.3! R4!interface Loopback0description **Loopback**ip address 192.

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