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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C. show interfaces www.com .VCE Exam Simulator .vceplus. show vlan C. RIP is a link-state protocol. F. Routes are updated when a change in topology occurs. Updates are sent to a multicast address by default.VCE to PDF Converter . D. E. D. B. It uses split horizon. 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.VCE Online . 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.) A.Download A+ VCE (latest) free Open VCE Exams . Updates are sent to a broadcast address. OSPF is a link-state protocol. B.Explanation: QUESTION 6 Which feature can you implement to reserve bandwidth for VoIP calls across the call path? A.IT Certifications . show ip interface brief B. C.

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

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

Download A+ VCE (latest) free Open VCE Exams .VCE Exam Simulator .VCE to PDF Converter .VCE Online .IT Certifications . F. Use appropriate show commands to troubleshoot the issues and answer all four questions. Instructions www. It uses separate SYN and ACK messages to establish a connection.vceplus.E. Correct Answer: BCF Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 14 Scenario Refer to the topology.com . It requires applications to determine when data packets must be retransmitted. 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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com . There is a Layer 2 issue. What is causing the problem? A.VCE to PDF Converter .An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branch1 office.VCE Exam Simulator . There is an OSPF hello and dead interval mismatch. an encapsulation mismatch on serial links.Download A+ VCE (latest) free Open VCE Exams . There is an area ID mismatch. C. The R3 router ID is configured on R4. Correct Answer: A Section: (none) Explanation www.IT Certifications . D.vceplus. B.VCE Online .

255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10. Use appropriate show commands to troubleshoot the issues and answer all four questions.IT Certifications . www.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 10.1 255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.255.240.255.240.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.1 255.3! R4!interface Loopback0description **Loopback**ip address 192.230.2 255.230.255.255.168.240.168.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.4.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.255.255.10.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.168.VCE Online .2 255.1 255.255.168.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.10.255.255.255.2.3.10.16.255.255.255.6 255.240.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.1 255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.1.168.5 255.168.1 255.2 255.255.255.6.5 255.255.110.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.115.255.4 255.2 255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10. 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).240.10.255.255.10.255.255.255.9 255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.3.1 255.10.255.255.255.255.10.255.3.114.10.168.255.10 255.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. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.255.120.1 255.5.3 255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10. QUESTION 15 Scenario Refer to the topology.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.16.255.255.255.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.10.113.1 255.255.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.230.16.240.10.240.3 255.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.240.Download A+ VCE (latest) free Open VCE Exams .6 255.168.10.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.com .VCE Exam Simulator .vceplus.255.10.

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C. a password mismatch. There is a PPP authentication issue.Download A+ VCE (latest) free Open VCE Exams . There is an OSPF hello and dead interval mismatch. D. 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.VCE to PDF Converter .com . B.vceplus.VCE Online . What is causing the problem? A.IT Certifications . Correct Answer: C Section: (none) Explanation www. There is a missing network command in the OSPF process on R5.VCE Exam Simulator .

255.6 255. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.2.255.120.10.252encapsulation pppip ospf 5 area 0!<<output omitted>> The only difference we can see here is the line “ip ospf hello-interval 50″ on R3.10.255.5 255.255.255. Router ID 192.1 255.252encapsulation 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 10.255.255. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.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 10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.6 255.2 255.255.255.255.16.255.168. You can verify with the “show ip ospf interface <interface>” command on each router.1 255.115.168.Download A+ VCE (latest) free Open VCE Exams .5/30.255.255.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.VCE to PDF Converter .110. In this case after configuring this command.240.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.3.255.240.10.255.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.113.230.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255. maximum is 0Last flood scan time is 0 msec.10. State POINT_TO_POINT.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255.5 255.255.255.255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10. Therefore we can think of a hello interval mismatch problem here.6.vceplus. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2. R3#sh ip ospf int s1/1Serial1/1 is up. R3 will send hello packets to R5 every 50 seconds.255.168.255. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.168.10 255.5.255.240.255.255. including secondary ip addressesTransmit Delay is 1 sec.255.240.10.230.1 255.10.10.10.VCE Online .0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.3! R4!interface Loopback0description **Loopback**ip address 192.3.10. line protocol is upInternet Address 10.114.255.240.255.255.255.255.9 255.com . But the default value of hello-interval is 10 seconds and R5 is using it.4.1 255.1 255.230. Cost: 64Enabled by interface config.1 255.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.4 255.240.2 255.16. Network Type POINT_TO_POINT.168. maximum is 0 msecNeighbor Count is 0.6 255.240.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.10.3.Timer intervals configured.168.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255.10.255. Hello 50.3. Area 0Process ID 3.255.10.240.3.240.168.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3 255.255.16.255. Wait 200.255.VCE Exam Simulator .168.3 255.168.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.2 255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.10.5 255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.IT Certifications .10. Dead 200.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.

VCE Online .Download A+ VCE (latest) free Open VCE Exams .240. including secondary ip addressesTransmit Delay is 1 sec. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.6/30. Wait 40. 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. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command).vceplus. Dead 40. Router ID 10.IT Certifications . Cost: 64Enabled by interface config. maximum is 0Last flood scan time is 0 msec.com .10. Hello 10.6.VCE to PDF Converter .10. State POINT_TO_POINT. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0. maximum is 0 msecNeighbor Count is 0.R5#sh ip ospf int s1/0Serial1/0 is up. Use appropriate show commands to troubleshoot the issues and answer all four questions.240. line protocol is upInternet Address 10.Timer intervals configured. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1.VCE Exam Simulator . QUESTION 16 Scenario Refer to the topology. Area 0Process ID 5. Network Type POINT_TO_POINT. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. Instructions www.

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

168.3.255ip ospf 6 area 0!interface Ethernet0/0ip address 172. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.16.255.10.3 255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.120.240.10.255.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.VCE Exam Simulator .255.6 255.2 255.255.1 255.255.3.255.VCE to PDF Converter .10.255.255.3! 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 10.1 255.Download A+ VCE (latest) free Open VCE Exams .168.255. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch www.255.255.1 255. QUESTION 17 Scenario Refer to the topology.240.114.255.230.5 255.1 255.255.255.168.VCE Online .255.230.5 255.10.4.255.255.255.255. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).255.240.1 255.255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.4 255.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.1 255.3.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.IT Certifications .10.255.3! R4!interface Loopback0description **Loopback**ip address 192.com .16.255.230.168.230.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.168.255.5.240.255.10.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.10.255.255.2 255.vceplus.10.6.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192. So please be careful checking the config on the routers before choosing the correct answers.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.3 255.10 255.2.255.168.255.1.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.10.110.2 255.168.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.1 255.230.1 255.10.10.113. We should configure “no ip ospf hello-interval 25″ on R1.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.0ip 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.255.255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172. Note: Maybe there are some versions of this question in the exam.240.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.2 255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.255.1 255.240.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.10.255.6 255.16.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.9 255.255.168.10.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.115.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.

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

3.1 255.1.240.255.3.168.255.6.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192. So please check carefully for this question.2 255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.10.1 255.com .255.VCE Online .255.255.255.168.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.1 255.255.255.168.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.3) so OSPF neighborship cannot be established.168.3.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.VCE Exam Simulator .3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.240.255.255.1 255.10.255.10.168.10.255.5 255.240.255.255.2 255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192. The real problem here is R6 uses the same router-id of R3 (192.0ip ospf 2 area 0!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 10.120.10.4.3. 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.255.10.16.114.10 255.255.10.255.255.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.9 255.3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.vceplus.255.10.2.252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.10 255.1 255.VCE to PDF Converter .) A.10.255.255.255.255.1 255.168.10.16.168. www.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.240.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.115.IT Certifications .252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.5.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.255.230.10.168.240.255.255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.3.3.168.3! R4!interface Loopback0description **Loopback**ip address 192. They establish broadcast domains in switched networks.255.230.255.255. such configuration error will be shown in the command line interface (CLI).2 255.255.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.240.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.230.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.16.4 255.9 255.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.168.113.255.10.Download A+ VCE (latest) free Open VCE Exams . In real life.3 255.6 255.255.240.3 255.255.255.1 255.255.10.168.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.1 255. QUESTION 18 What are three advantages of VLANs? (Choose three.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.6 255.3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.110.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.5 255.255.240.

VCE to PDF Converter . D. C. They can simplify adding. They utilize packet filtering to enhance network security. They provide a method of conserving IP addresses in large networks. 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.vceplus.Download A+ VCE (latest) free Open VCE Exams . B. They provide a low-latency internetworking alternative to routed networks. C. D. They allow access to network services based on department. F.com .VCE Exam Simulator . E.VCE Online . B.IT Certifications . not physical location.B. or changing hosts on the network. C. packet loss jitter successive packet loss round-trip time latency Correct Answer: D Section: (none) Explanation www. D. moving. 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.

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

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

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

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

3. Link A – 172. E.3.VCE Exam Simulator .IT Certifications .128/25 Link A – 172.16.0/30 Link A – 172.16.Download A+ VCE (latest) free Open VCE Exams . D.48/26 Network A – 172.com . B.40/30 www.16.16.Correct Answer: DE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 28 Refer to the exhibit. Which network addresses should be used for Link A and Network A? (Choose two.3.VCE to PDF Converter .3.) A. C.16.3.VCE Online . All of the routers in the network are configured with the ip subnet-zero command.vceplus.112/30 Network A – 172.

IT Certifications .25 HDLC PPP Frame Relay Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 31 Which statement about LLDP is true? www. B. X. D. C. C.16.Download A+ VCE (latest) free Open VCE Exams .VCE to PDF Converter . Network A – 172.vceplus.3.F.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 . 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. B.com .VCE Exam Simulator . D.

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

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. D. D.com .VCE Exam Simulator .VCE to PDF Converter . 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.vceplus. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information? A.IT Certifications .Download A+ VCE (latest) free Open VCE Exams . C. B. show ip community-list www. show ip bgp summary B. C. B.VCE Online .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.

The two connected ports on the switch are not turning orange or green.Download A+ VCE (latest) free Open VCE Exams . show ip bgp paths D.VCE Online .vceplus.C.com .VCE to PDF Converter .VCE Exam Simulator .IT Certifications . 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.

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

VCE Exam Simulator . F.0.2.0.2. D.Download A+ VCE (latest) free Open VCE Exams .VCE to PDF Converter . The ISP is blocking the traffic.vceplus. An ACL is blocking the outbound traffic.0.E. Correct Answer: BCD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 40 Which three statements about IPv6 prefixes are true? (Choose three. C. FC00::/7 is used in private networks. FEC0::/10 is used for IPv6 broadcast.12 show ip dhcp server statistics show ip dhcp binding 10. 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.VCE Online . show ip dhcp conflict 10. F.12 Correct Answer: A Section: (none) Explanation Explanation/Reference: www. FE80::/10 is used for link-local unicast.IT Certifications . FE80::/8 is used for link-local unicast. B. D. C. E.12 show ip dhcp database 10. 2001::1/127 is used for loopback addresses. FF00::/8 is used for IPv6 multicast. B.) A.com .2.

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

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

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

Switch1(config)# ip default-gateway 192.com .vceplus. Given the information in the graphic and assuming that the router and Switch2 are configured properly. www. OSPF. D. Link-local addresses are used to form routing adjacencies. Loopback addresses are used to form routing adjacencies.24. EIGRPv3 was developed to support IPv6 routing.) A. B. D. C.VCE Online . although the hosts attached to Switch1 can ping the interface Fa0/0 of the router.24.168.1 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 192.3 255. EIGRP. B. E.The network administrator cannot connect to Switch 1 over a Telnet session.168.IT Certifications . OSPFv3 was developed to support IPv6 routing.VCE Exam Simulator . C. Correct Answer: BE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 46 Refer to the exhibit. which of the following commands should be issued on Switch1 to correct this problem? A.VCE to PDF Converter .Download A+ VCE (latest) free Open VCE Exams . E. and BGP are the only routing protocols that support IPv6.255.0 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.255.

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

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

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

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

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

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

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

VCE Exam Simulator . FHRP DHCP RSMLT ESRP Correct Answer: A Section: (none) Explanation Explanation/Reference: www.0. router(config-router)#default-information originate always C. C.255.Download A+ VCE (latest) free Open VCE Exams . D. C.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. D.VCE Online .com . B. B.0.255 GigabitEthernet0/1 D.B.vceplus.255. 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. router(config)#ip route 0.0 255.IT Certifications .

VCE Online . Instructions www.IT Certifications .com . Use appropriate show commands to troubleshoot the issues and answer all four questions.VCE Exam Simulator . Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.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.VCE to PDF Converter .Download A+ VCE (latest) free Open VCE Exams .QUESTION 59 Scenario Refer to the topology.

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

16.255.6.255.230.240.10.vceplus.240.VCE Exam Simulator .0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.16.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.10.3 255.255.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.255.4 255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.1 255.120.10.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.3 255.5 255.10.16. QUESTION 60 Scenario Refer to the topology.10.1 255.255.IT Certifications .0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.114.com .255.255.10.255.255.255.240.255.255.5 255.Download A+ VCE (latest) free Open VCE Exams .6 255.168.168.240.255.255.10 255.10.1 255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.2 255.1 255.3! 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 10.168.255.110.255.3.168.115.255.2 255.255.1 255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.10.168.255.3! R4!interface Loopback0description **Loopback**ip address 192. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.10.255.2 255.255.255.113.VCE to PDF Converter .255.168.3.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1.255.255.240.255.240.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.230.255.2 255.4.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.3. www.255.255.255.1 255.255.1 255.240.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.168.2.255.1 255.168.10.240. Use appropriate show commands to troubleshoot the issues and answer all four questions.255.10.255ip ospf 6 area 0!interface Ethernet0/0ip address 172. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.230.255.10.255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.6 255. 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).10.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.VCE Online .9 255.5.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.

Instructions

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

Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.110. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.255.10.255.10.168.6 255.168.255.168.10.9 255.255.5 255.3.Download A+ VCE (latest) free Open VCE Exams .255. R3 will send hello packets to R5 every 50 seconds.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.16.255.168.2 255.255.255.240. Wait 200.6 255.1 255.255.10.3! 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 10.255.3.255.230. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2.255.1 255.240.168.240.10.3 255. including secondary ip addressesTransmit Delay is 1 sec. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.IT Certifications .0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10. maximum is 0 msecNeighbor Count is 0.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.VCE to PDF Converter .255.114.255.168.Timer intervals configured.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.3! R4!interface Loopback0description **Loopback**ip address 192.3 255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.230.255. line protocol is upInternet Address 10.255.168. Network Type POINT_TO_POINT.10.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10. Router ID 192.255.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.6.1 255.10.255.240.10 255.120.2.5 255. In this case after configuring this command.168.240.4 255.10. Hello 50.255.255.6 255.com .16.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.5 255.240.VCE Online . maximum is 0Last flood scan time is 0 msec.1 255.1 255.10.1 255.255.vceplus.255.230.10.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.240.255.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.5/30.255.255.2 255.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.240.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.252encapsulation 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 10.10. Dead 200.10.255.10.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.168.16. State POINT_TO_POINT.VCE Exam Simulator .255.240.3.255.115.252encapsulation pppip ospf 5 area 0!<<output omitted>> The only difference we can see here is the line “ip ospf hello-interval 50″ on R3. R3#sh ip ospf int s1/1Serial1/1 is up. Therefore we can think of a hello interval mismatch problem here. But the default value of hello-interval is 10 seconds and R5 is using it.255.255.255.10.3.255. Area 0Process ID 3. You can verify with the “show ip ospf interface <interface>” command on each router.1 255.2 255.113. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.255.1.3.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.4. Cost: 64Enabled by interface config.5.

10.R5#sh ip ospf int s1/0Serial1/0 is up.Timer intervals configured.VCE Exam Simulator . Use appropriate show commands to troubleshoot the issues and answer all four questions. Area 0Process ID 5.240.10. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.IT Certifications . line protocol is upInternet Address 10.240. Dead 40.vceplus. 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. Instructions www.com .VCE Online . including secondary ip addressesTransmit Delay is 1 sec.Download A+ VCE (latest) free Open VCE Exams .6.VCE to PDF Converter . flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0. Router ID 10. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1.6/30. State POINT_TO_POINT. maximum is 0 msecNeighbor Count is 0. Network Type POINT_TO_POINT. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. Hello 10. Wait 40. maximum is 0Last flood scan time is 0 msec. Cost: 64Enabled by interface config. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command). QUESTION 61 Scenario Refer to the topology.

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

255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.4.255. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).230.115.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.168.168.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.10.255.9 255.5 255.3.4 255.1 255.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.16.255.230.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.1 255.6.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255.10.6 255.10.10.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.1 255.3! R4!interface Loopback0description **Loopback**ip address 192.6 255.255.255. Note: Maybe there are some versions of this question in the exam.168.255.10 255.240.255.10.vceplus.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.IT Certifications .255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10. 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.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.3 255.10.2 255. QUESTION 62 Scenario Refer to the topology.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.com . So please be careful checking the config on the routers before choosing the correct answers.120.255.230.1 255.255.255.255.255.10.1 255.255.3.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.3 255.VCE Online .255.VCE Exam Simulator .168.255.240.230. We should configure “no ip ospf hello-interval 25″ on R1.10.240.16.240.1 255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.2.255.240.1 255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.255.3! 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 10.255.10.2 255.113.5 255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.10.255.0ip 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.1 255.VCE to PDF Converter .5.2 255.10.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.10.255.255. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.255.255.255.168.168.255.255.Download A+ VCE (latest) free Open VCE Exams .168.255.230.3.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.16.1 255.2 255.1.240.255.255.114.255.110.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.

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

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

252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.2 255.255.255.255.240.255.255.240.230.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.168.10.168.255.255.16.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.10.240.10.1.255.3 255.1 255.240.255.168.10.255. such configuration error will be shown in the command line interface (CLI).255.252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.110.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255.3.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.168.10.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3.255.168.10.10.255.1 255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.10.255.3! R4!interface Loopback0description **Loopback**ip address 192.255.255.255.com .3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.2 255.VCE Online .0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.230.5 255.255.1 255.10.1 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.VCE to PDF Converter .4.16.255.240.1 255.255.255.4 255.Download A+ VCE (latest) free Open VCE Exams .3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.255.3.255. www.6.6 255. So please check carefully for this question.3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.168.VCE Exam Simulator .168.115.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.3) so OSPF neighborship cannot be established.10.255.255.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.230.240.5.255.10.255.168.2 255.255.10.IT Certifications .255.2.3.6 255.255.10 255. In real life.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.1 255. 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.9 255.255.1 255.114.120.240.255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.255.3.3.vceplus.255.168.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.113. The real problem here is R6 uses the same router-id of R3 (192.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.255.16.255.9 255.240.10.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.3 255.5 255.168.255.10 255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.

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