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

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

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

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

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IT Certifications .Download A+ VCE (latest) free Open VCE Exams . There is an OSPF hello and dead interval mismatch.vceplus. an encapsulation mismatch on serial links. 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.VCE to PDF Converter . What is causing the problem? A. D. Correct Answer: A Section: (none) Explanation www.VCE Exam Simulator . C.VCE Online . There is an area ID mismatch. B. There is a Layer 2 issue.com .

255.255.1 255.10.255.3.255. Use appropriate show commands to troubleshoot the issues and answer all four questions.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.5.9 255.255.1 255.10.3 255.1 255.255.230.255.255.2.Download A+ VCE (latest) free Open VCE Exams .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).120.1.255.255.255.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.10.255.255.10.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.16.168.2 255.255.com .255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.vceplus.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.10.240.168.6 255.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.16.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.240.1 255.255.168.3.255.255.10 255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.240.4 255.255.0ip 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 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.10. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.2 255.240.1 255.255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.6 255. www.255.6.113.3.240.VCE Exam Simulator .255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.10.VCE Online .255.255.4.255.230.255.IT Certifications .230.168.10.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.168.10.115.10.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.168.255.3! R4!interface Loopback0description **Loopback**ip address 192.1 255.255.255.0ip ospf 4 area 2!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 offices.3 255.255.5 255.10.2 255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.5 255.3! 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 10.168.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.1 255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.VCE to PDF Converter .240.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.16.240.114.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.2 255.255.1 255.168.240.255.110.10. QUESTION 15 Scenario Refer to the topology.

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

10. Dead 200.3.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.240. maximum is 0 msecNeighbor Count is 0.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.Timer intervals configured.168.255.5 255. Area 0Process ID 3.255.2 255.240.10 255.10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.3 255.255.255.120. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.3.10. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.114.1 255.VCE Exam Simulator .3. maximum is 0Last flood scan time is 0 msec.255.1.255.255.6 255.vceplus.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10. Hello 50.IT Certifications .255.10.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.10.255.255.168.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 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 R3.168.255.255.1 255. line protocol is upInternet Address 10.255.1 255.16.240.16.2 255.240.240.10.10. Network Type POINT_TO_POINT.255.1 255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.230.168.113.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.16.255.VCE to PDF Converter .255.VCE Online .10.255.230.6 255. But the default value of hello-interval is 10 seconds and R5 is using it.110. R3#sh ip ospf int s1/1Serial1/1 is up. You can verify with the “show ip ospf interface <interface>” command on each router. including secondary ip addressesTransmit Delay is 1 sec.115.255.Download A+ VCE (latest) free Open VCE Exams . Router ID 192.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.5.5 255.255. Therefore we can think of a hello interval mismatch problem here.10.10.3.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192. Cost: 64Enabled by interface config.1 255.255.255.1 255.255.168.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255. In this case after configuring this command.255.6.255.1 255.3.9 255.240.5 255.255.6 255.240. State POINT_TO_POINT. R3 will send hello packets to R5 every 50 seconds.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.240.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.com .1 255. Wait 200.255.10.255.255.168.252encapsulation 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 10.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255.255.10.4 255.168.2.255.255.3! R4!interface Loopback0description **Loopback**ip address 192. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2.2 255.10.3 255.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.240.5/30.3! 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 10.168.230.10.4.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.255.168.255.255. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.255.255.

240. Dead 40. Hello 10.VCE Online . Instructions www.com . including secondary ip addressesTransmit Delay is 1 sec.6. QUESTION 16 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.Timer intervals configured.240. maximum is 0 msecNeighbor Count is 0. Wait 40.6/30. 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. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1. Router ID 10.VCE to PDF Converter . State POINT_TO_POINT. Area 0Process ID 5. Use appropriate show commands to troubleshoot the issues and answer all four questions. Network Type POINT_TO_POINT.10.10.vceplus.IT Certifications .Download A+ VCE (latest) free Open VCE Exams . Cost: 64Enabled by interface config. 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. line protocol is upInternet Address 10. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0.VCE Exam Simulator . maximum is 0Last flood scan time is 0 msec. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command).

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

168.255.168.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.10 255.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.3 255.16.255.255.10.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.1 255.16.255.2.255.5.10.5 255.230. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.3! R4!interface Loopback0description **Loopback**ip address 192.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.4 255.6.1 255.10.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.168.255.240.255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.5 255.255.255.0ip 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.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.3! 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.VCE to PDF Converter .0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.168.255.255.3.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.Download A+ VCE (latest) free Open VCE Exams .255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.240. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch www.255.230.255.255.168.3.255.255.2 255.10.255.1 255.230. So please be careful checking the config on the routers before choosing the correct answers.230.255.10.10.168.255.120.168.IT Certifications .240. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).255.3 255.113.10.2 255.255.16.255.255.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.240.4.240.3.255.110.255. QUESTION 17 Scenario Refer to the topology.VCE Online .10.255.1 255.255.6 255.VCE Exam Simulator .252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.2 255.1 255.2 255.1 255.10.1 255.114.255.9 255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10. We should configure “no ip ospf hello-interval 25″ on R1.115.255.255.1 255.com . Note: Maybe there are some versions of this question in the exam.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.vceplus.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.6 255.240.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.10.10.1 255.10.230.255.10.

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

10.255.10 255.110.255.4.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.2.9 255.10.230.VCE Online .255.255.10.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.255.113.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.255.168.240.255.255.10.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192. QUESTION 18 What are three advantages of VLANs? (Choose three.3 255.240.1 255.1 255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.168.255.168.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.) A.10.255.255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.16.255.10.255.255.255.255.168.240.1 255.10.3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.3.2 255.255.6 255. So please check carefully for this question.3) so OSPF neighborship cannot be established.230.3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.255.255. 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.255.10.1 255.255.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.3 255.240.10.3.10.10 255.255.3.255. www.6 255.168.255.240.168.1 255.240.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.114.10.168.IT Certifications .255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.9 255.10.5 255.120.3.255.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.115.255.255.3! R4!interface Loopback0description **Loopback**ip address 192.1 255.6.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10. In real life.255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.Download A+ VCE (latest) free Open VCE Exams .252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.VCE to PDF Converter .2 255. The real problem here is R6 uses the same router-id of R3 (192.vceplus.255.240.168.255.240.168.3.1.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.3.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.2 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.255.1 255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.com .5.255.230. They establish broadcast domains in switched networks.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.5 255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.16.4 255.255.168.255.1 255. such configuration error will be shown in the command line interface (CLI).255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.16.VCE Exam Simulator .0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.

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

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

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

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

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

E.48/26 Network A – 172.3.Correct Answer: DE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 28 Refer to the exhibit.VCE to PDF Converter .VCE Exam Simulator . C.3.16. B.16.3.IT Certifications .0/30 Link A – 172.128/25 Link A – 172.) A.vceplus.3.16.Download A+ VCE (latest) free Open VCE Exams .40/30 www.16.112/30 Network A – 172.3.VCE Online .16. D. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A? (Choose two. Link A – 172.com .

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

The LLDP update frequency is a fixed value. D. It is configured in global configuration mode. They are routed the same as public IP addresses. It is a Cisco proprietary protocol. They are less costly than public IP addresses.vceplus.3DC6 Correct Answer: C Section: (none) Explanation www. C. C. which switch takes over? A.9A1A. They can be assigned to devices without Internet connections. D. They eliminate duplicate IP conflicts. Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 32 What are two benefits of private IPv4 IP addresses? (Choose two. B.) A.A.VCE Online . D.Download A+ VCE (latest) free Open VCE Exams .6BE3 switch 0004.VCE Exam Simulator . C.F726. E. B. switch 0040.0ВС0.F90B.90C5 switch 00E0. B. Correct Answer: BC Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 33 If the primary root bridge experiences a power loss. They eliminate the necessity for NAT policies.C182 switch 00E0.VCE to PDF Converter .com . It runs over the transport layer.IT Certifications .

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

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

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

The ISP is blocking the traffic. FE80::/8 is used for link-local unicast.IT Certifications . D. FE80::/10 is used for link-local unicast.VCE Exam Simulator . Correct Answer: BCD Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 40 Which three statements about IPv6 prefixes are true? (Choose three. 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. B.12 show ip dhcp server statistics show ip dhcp binding 10. E. FEC0::/10 is used for IPv6 broadcast. show ip dhcp conflict 10. C.) A.0.VCE Online .12 show ip dhcp database 10. FF00::/8 is used for IPv6 multicast.com .VCE to PDF Converter .E. F.12 Correct Answer: A Section: (none) Explanation Explanation/Reference: www. D.Download A+ VCE (latest) free Open VCE Exams . C.2.2.0. FC00::/7 is used in private networks. 2001::1/127 is used for loopback addresses.vceplus.2. An ACL is blocking the outbound traffic. B. F.0.

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

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

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.The network administrator cannot connect to Switch 1 over a Telnet session.VCE Exam Simulator . OSPFv3 was developed to support IPv6 routing.24. although the hosts attached to Switch1 can ping the interface Fa0/0 of the router. Given the information in the graphic and assuming that the router and Switch2 are configured properly. and BGP are the only routing protocols that support IPv6.VCE to PDF Converter . EIGRP. Correct Answer: BE Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 46 Refer to the exhibit. E.168. which of the following commands should be issued on Switch1 to correct this problem? A. C. D. OSPF. B. D.vceplus. EIGRPv3 was developed to support IPv6 routing. 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. B.Download A+ VCE (latest) free Open VCE Exams .) A. C.255.3 255.168. Loopback addresses are used to form routing adjacencies.com .255. www.IT Certifications .24. Link-local addresses are used to form routing adjacencies.VCE Online . E.

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

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

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

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

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

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

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

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

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

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IT Certifications .VCE Online .com .Download A+ VCE (latest) free Open VCE Exams . There is an OSPF hello and dead interval mismatch. 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. B. Correct Answer: A Section: (none) Explanation www.vceplus. C. There is a Layer 2 issue. There is an area ID mismatch. D. an encapsulation mismatch on serial links.VCE to PDF Converter .VCE Exam Simulator . The R3 router ID is configured on R4.

255.255.255.5 255.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.10.255.255.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.255.3 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.255.2 255.255.168. www.16.255.1 255.240.10.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.230.3.168.6 255.5.10.240.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.2 255.4 255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.230. Use appropriate show commands to troubleshoot the issues and answer all four questions.255.255.6.1 255.255.240.10.3.1 255.16.255.com .5 255.255.1 255.240.230.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.168.VCE Exam Simulator .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 10.120.255.252encapsulation pppip ospf 4 area 2!<<output omitted>> In the output above we see their Area IDs are mismatched.255.6 255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255.3! R4!interface Loopback0description **Loopback**ip address 192.1 255.255.113.1 255. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.10.255.255.2.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.10.10.255.255.255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.3 255.10.255.10.255.240.252encapsulation pppip ospf 3 area 0!<<output omitted>> R4#show running-config<<output omitted>>!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.240.VCE Online .168.Download A+ VCE (latest) free Open VCE Exams .255.114.2 255.255.168. QUESTION 60 Scenario Refer to the topology.IT Certifications .255.1 255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.10.110.168.1 255.255. 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).10.10 255.10.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.255.240.168.255.1 255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.240.1.9 255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.168.255.2 255.16.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.4. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.VCE to PDF Converter .115.255.255.3.vceplus.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.255.255.255.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.255.

Instructions

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

255.IT Certifications .255ip ospf 4 area 2!interface Ethernet0/0ip address 172.3.10.255.5 255.4.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.255.3.240.240.255.252encapsulation 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 10.10.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.255.255.1 255.240.2 255. Dead 200.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.Download A+ VCE (latest) free Open VCE Exams .10.10 255.255.6. Router ID 192.6 255.1 255.255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.230.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.168.255.9 255.240.3! 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 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192. Network Type POINT_TO_POINT.255.113.168.255.168.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.5 255.255. maximum is 0 msecNeighbor Count is 0. This command sets the number of seconds R3 waits before sending the next hello packet out this interface.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10. R3#sh ip ospf int s1/1Serial1/1 is up.168.255.240.255.168. Hello 50.VCE to PDF Converter .10.255.com .255.1 255.255. R3 will send hello packets to R5 every 50 seconds.114.10.255.255.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192. Adjacent neighbor count is 0Suppress hello for 0 neighbor(s) www.5 255.255.255.168.230. You can verify with the “show ip ospf interface <interface>” command on each router.255.240.255.1 255.10.255.10.10.120.255.252encapsulation 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. line protocol is upInternet Address 10.255.16. In this case after configuring this command.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.16.1 255.2.10.1.1 255.115.10.168.3 255.110.230.1 255.VCE Online .255.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.10.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.6 255.255. Area 0Process ID 3.255.VCE Exam Simulator .252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10. Wait 200.255.168.6 255.255.255.255.2 255.3.255.5.Timer intervals configured.3! R4!interface Loopback0description **Loopback**ip address 192. But the default value of hello-interval is 10 seconds and R5 is using it.252encapsulation pppip ospf 5 area 0!<<output omitted>> The only difference we can see here is the line “ip ospf hello-interval 50″ on R3.10.240.255.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.vceplus. Retransmit 5oob-resync timeout 200Hello due in 00:00:28Supports Link-local Signaling (LLS)Index 2/2.255. Cost: 64Enabled by interface config.240.2 255.1 255. Therefore we can think of a hello interval mismatch problem here.3.4 255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.240. including secondary ip addressesTransmit Delay is 1 sec.3 255.255.10.3.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.16.168.255. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0. State POINT_TO_POINT. maximum is 0Last flood scan time is 0 msec.5/30.

 Hello 10. Retransmit 5oob-resync timeout 40Hello due in 00:00:04Supports Link-local Signaling (LLS)Index 1/1. Use appropriate show commands to troubleshoot the issues and answer all four questions. maximum is 0 msecNeighbor Count is 0. Wait 40. flood queue length 0Next 0×0(0)/0×0(0)Last flood scan length is 0. including secondary ip addressesTransmit Delay is 1 sec. Instructions www. State POINT_TO_POINT. QUESTION 61 Scenario Refer to the topology.R5#sh ip ospf int s1/0Serial1/0 is up. Router ID 10.VCE Online .VCE Exam Simulator .vceplus.Timer intervals configured.240. unless you manually configure the dead interval (with the ip ospf dead-interval <seconds> command).240.6. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. Network Type POINT_TO_POINT. Dead 40.10. 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 .10. Cost: 64Enabled by interface config.VCE to PDF Converter .6/30. Area 0Process ID 5.IT Certifications . maximum is 0Last flood scan time is 0 msec.com . line protocol is upInternet Address 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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R1 ethernet0/1 configured with a non-default OSPF hello interval of 25.Download A+ VCE (latest) free Open VCE Exams . 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.R1 does not form an OSPF neighbor adjacency with R2. configure no ip ospf hello-interval 25 Enable OSPF for R1 ethernet0/1. Configure no shutdown command.VCE Exam Simulator . Which option would fix the issue? A.VCE Online . C. R1 ethernet0/1 is shutdown. D.com . configure ip ospf 1 area 0 command under ethernet0/1.IT Certifications .vceplus.VCE to PDF Converter .

255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.255.0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.255.1 255.255.168.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.4 255.120.255.2.2 255.168.3 255.Download A+ VCE (latest) free Open VCE Exams .230.240.230.255.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.6 255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.10.115.255.255.230.1 255.255.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.110.10.IT Certifications .252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.255.9 255.16.255.5 255.1 255.2 255.255.5.0ip ospf hellointerval 25ip ospf 1 area 0!<<output omitted>> R2#show running-config<<output omitted>>!interface Ethernet0/1description **Connected to L2SW**ip address 10.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.16.1 255.3.10.2 255.255.10.113.255.240.255.0ip 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.255.255.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.10.230.VCE Exam Simulator .255.10.255.10.230.255.1 255.168.240.168.240.4.6 255.VCE Online . So please be careful checking the config on the routers before choosing the correct answers.255.10.240.10.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255.3! 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 10.3 255.255.255.255.0ip ospf 3 area 0!interface Serial1/0description **Connected to R4Branch1 office**ip address 10.10.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.255. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.1 255.0ip ospf 2 area 0!router ospf 2log-adjacency-changes R3username R6 password CISCO36!interface Loopback0description **Loopback**ip address 192.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.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 www.2 255.vceplus. Note: Maybe there are some versions of this question in the exam.255.240.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.168.6.255. 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 10.255.10.255.255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.3! R4!interface Loopback0description **Loopback**ip address 192.10.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.255.114.255.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.10.16.1 255.255.255.5 255.255.168.3.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.1. For example there are some reports saying that Ethernet0/1 on R1 is shutdown (and this is the correct choice in the exam).255.10 255.255. QUESTION 62 Scenario Refer to the topology.168.255.3.1 255.255.255.255.1 255.com .168.

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

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

16.168.255.240.3.10. www.16.255.255ip ospf 2 area 0!interface Ethernet0/0description **Connected to R2-LAN**ip address 10.168.255.255.3.168.255.2 255.10. So please check carefully for this question.230.IT Certifications .255.1 255.168.com .2.230.255.10.168.240.3 255.4 255.2 255.252encapsulation pppip ospf 3 area 0ppp authentication chap!<<output omitted>>!router ospf 3router-id 192.1 255.1 255.1 255.230.255.10.1.255.3.255.255.10.10 255.3!<<output omitted>> We are not sure about the configuration of ppp authentication in this case.10.255.255.252encapsulation pppip ospf 5 area 0!router ospf 5log-adjacency-changes R6username R3 password CISCO36!interface Loopback0description **Loopback**ip address 192.240.255.255.3. In real life.252encapsulation pppip ospf 4 area 2!router ospf 4log-adjacency-changes R5!interface Loopback0description **Loopback**ip address 192.240.240.168.255.3! R3#show running-config<<output omitted>>username R6 password CISCO36!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10. 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.168.114.252encapsulation pppip ospf hello-interval 50ip ospf 3 area 0!interface Serial1/2description **Connected to R6-Branch3 office**ip address 10.255.10.240.255.5.255ip ospf 1 area 0!interface Ethernet0/0description **Connected to R1-LAN**ip address 10.1 255.168.vceplus.3 255.255.VCE Online .3!<<output omitted>> R6#show running-config<<output omitted>>username R3 password CISCO36!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.1 255.255.255.10.255. The real problem here is R6 uses the same router-id of R3 (192.255.3.6 255.Download A+ VCE (latest) free Open VCE Exams .255.6.255.168. such configuration error will be shown in the command line interface (CLI).5 255.110.0ip ospf 1 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.255.10.VCE Exam Simulator .255.255.10.Explanation/Reference: Explanation: Here are the relevant parts of the router configs: R1interface Loopback0description ***Loopback***ip address 192.120.0ip ospf 5 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.255.113.16.255.10.255.255.5 255.0ip ospf 2 area 0!interface Ethernet0/1description **Connected to L2SW**ip address 10.240.1 255.255.1 255.255ip ospf 4 area 2!interface Ethernet0/0ip address 172.255.255ip ospf 6 area 0!interface Ethernet0/0ip address 172.252encapsulation pppip ospf 6 area 0ppp authentication chap!<<output omitted>>!router ospf 6router-id 192.240.0ip 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 10.10 255.255.255.255.255.115.255.252encapsulation pppip ospf 3 area 0ppp authentication chap!router ospf 3router-id 192.10.9 255.6 255.255.3.255ip ospf 3 area 0!interface Ethernet0/0description **Connected to L2SW**ip address 10.10.3! R4!interface Loopback0description **Loopback**ip address 192.252encapsulation pppip ospf 6 area 0ppp authentication chap!router ospf 6router-id 192.3) so OSPF neighborship cannot be established.VCE to PDF Converter .0ip ospf 4 area 2!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.0ip ospf hello-interval 25ip ospf 1 area 0!router ospf 1log-adjacency-changes R2!interface Loopback0description **Loopback**ip address 192.255.252encapsulation pppip ospf 3 area 0!interface Serial1/1description **Connected to R5-Branch2 office**ip address 10.2 255.168.168.255.255.9 255.255ip ospf 5 area 0!interface Ethernet0/0ip address 172.0ip ospf 6 area 0!interface Serial1/0description **Connected to R3-Main Branch office**ip address 10.4.255.

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