Exam Questions and Answers for  4A0-113 Study Guide Questions and Answers!

Nokia OSPF Routing Protocol Exam Certification Sample Questions and Practice Exam

NEW QUESTION 51
What command will show the OSPF neighbors, and their status on the Nokia 7750 SR?

• A. Show router ospf neighbors
• B. Show ospf neighbors
• C. Show router ospf adjacency
• D. Show ospf adjacency

Answer: A

 

NEW QUESTION 52
Which of the following OSPFv3 LSAs have an AS scope?

• A. Link Local LSA
• B. Intra-Area Prefix LSA
• C. Network LSA
• D. None of the above LSAs have an AS scope.
• E. Router LSA
• F. Inter-Area Router LSA

Answer: D

 

NEW QUESTION 53
Which of the following are similarities between OSPF and IS-IS? Choose two answers.

• A. Slow convergence after link failures.
• B. Support hierarchy through the use of areas.
• C. Support for CIDR.
• D. Link state updates sent using layer 3 multicast.
• E. Metric is based on hop count.

Answer: B,C

 

NEW QUESTION 54
What address is used when RIPv2 uses multicast to send its updates?

• A. RIPv2 does not have support for multicast
• B. 224.0.0.6
• C. 224.0.0.5
• D. 224.0.0.10
• E. 224.0.0.9

Answer: E

 

NEW QUESTION 55
Which of the following concerning OSPFv3 is TRUE?

• A. Router LSAs carry IPv6 prefix information.
• B. OSPFv3 uses MD5 Authentication.
• C. NSSA is supported in OSPFv3.
• D. OSPFv3 uses a 64-bit router ID.

Answer: C

 

NEW QUESTION 56
What is the source IP address in an OSPF update?

• A. 224.0.0.6
• B. 224.0.0.5
• C. The unicast IP address of the interface the update is being sent on.
• D. The system address of the router

Answer: C

 

NEW QUESTION 57
An OSPF ASBR must have at least one interface in the backbone area (area 0)

• A. False
• B. True

Answer: A

 

NEW QUESTION 58
Click the exhibit button.

What is the command to configure a static route on the Nokia 7750 SR router R1 to reach the network behind router R2?

• A. configure router static-route 139.120.121.0/24 next-hop 139.120.121.2
• B. configure router static-route 138.120.199.2/24 next-hop 138.120.199.1
• C. configure router static-route 139.120.121.0/24 next-hop 138.120.199.2
• D. configure router static-route 139.120.121.0/24 next-hop 138.120.199.1

Answer: C

 

NEW QUESTION 59
Which LSA type is not found in point-to-point only OSPF networks?

• A. Type 1 Router LSA
• B. Type 5 External LSA
• C. Type 2 Network LS A
• D. Type 3 Summary LSA

Answer: C

 

NEW QUESTION 60
Exhibit

Given the two configurations shown, identify the two incorrect statements below: (Choose two)

• A. The interface type settings differ, but OSPF will still operate correctly.
• B. The system interface is missing in one configuration so OSPF will not operate correctly.
• C. Metric values differ, but this does not prevent OSPF operation.
• D. Both routers will generate OSPF Hello packets.

Answer: A,B

 

NEW QUESTION 61
Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).

• A. Type 4 ASBR LSA
• B. Type 2 Network LSA
• C. Type 1 Router LSA
• D. Type 3 Summary LSA

Answer: C

 

NEW QUESTION 62
An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?

• A. The link state information is not populated in the database but is forwarded to all neighbors
• B. The link state information is not populated in the database and an acknowledgement is sent
• C. The link state information is regarded as old and nothing is done.
• D. The link state information already in the database is overwritten and the age is reset

Answer: B

 

NEW QUESTION 63
Click the exhibit button.

A static route is created on router R1 "using the "static-route 0.0.0.0/0 next-hop 10.3.3.2" command. What command can be used to test the static route on an Nokia 7750 SR?

• A. ping 10.5.5.5
• B. ping static 10.5.5.5
• C. ping 0.0.0.0
• D. ping static 0.0.0.0/0

Answer: A

 

NEW QUESTION 64
Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same are a. Choose two answers.

• A. The OSPF external preference
• B. The IS-IS Level 2 external preference
• C. The IS-IS Level 1 external preference
• D. The IS-IS Level 2 internal preference
• E. The OSPF internal preference
• F. The IS-IS Level 1 internal preference

Answer: A,F

 

NEW QUESTION 65
Click the exhibit button.

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

• A. Option A
• B. Option D
• C. Option B
• D. Option C

Answer: A

 

NEW QUESTION 66
Which of the following cannot be used as a matching criterion in route policy statements?

• A. Protocol type
• B. TCP source port
• C. Prefix list
• D. Source IP address

Answer: A

 

NEW QUESTION 67
There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route 10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Nokia 7750 SR?

• A. traceroute does not work on the Nokia 7750 SR.
• B. traceroute 10.2.3.1 next-hop 10.1.2.1
• C. traceroute 10.1.2.1
• D. traceroute 10.2.3.1
• E. traceroute next-hop 10.1.2.1

Answer: D

 

NEW QUESTION 68
Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?

• A. Router R1 needs to have an export policy added to it.
• B. Router R1 needs to have an import policy added to it.
• C. Router R5 does not have an export policy for these prefixes.
• D. 'asbr' is missing from router R1's configuration.

Answer: C

 

NEW QUESTION 69
If OSPF is used in a multi-area OSPF network, which of the following statements regarding route summarization is true?

• A. Manual route summarization can only be done on autonomous system border routers.
• B. Manual route summarization is done on the ABRs. By default, automatic summarization is done; however, it may not be optimal for all networks.
• C. Manual route summarization is done on the ABRs. By default, no route summarization is done and all routes are advertised to all areas.
• D. Manual route summarization must be done on all the backbone routers to be effective. Manual route summarization is optional on the routers in non-backbone areas.

Answer: C

 

NEW QUESTION 70
In an OSPF environment, what must a router receive after it sends out an update?

• A. The router must receive an acknowledgment
• B. The router must receive a Hello
• C. The router must receive a Link State Packet
• D. The router must receive a new sequence number

Answer: A

 

NEW QUESTION 71
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

• A. Network LSA
• B. Summary Router LSA
• C. Summary Network LSA
• D. Router LSA

Answer: A,D

 

NEW QUESTION 72
Click the exhibit button.

Routers R1 , R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

• A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
• B. The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.
• C. Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.
• D. The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.

Answer: D

 

NEW QUESTION 73
A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Nokia 7750 SR?

• A. Ping 0.0.0.0
• B. Ping 3.3.3.1
• C. Ping static 3.3.3.1
• D. Ping static 0.0.0.0/0

Answer: B

 

NEW QUESTION 74
Refer to the exhibit.

Assume that OSPFv3 is properly configured on all routers and that R4 advertises its system prefix into Area 0. Which of the following statements best describes how R5 learns R4's IPv6 system prefix?

• A. With an Inter-Area Prefix LSA originated by R5
• B. With a Router LSA originated by R5
• C. With an Inter-Area Prefix LSA originated by R1
• D. With a Router LSA originated by R1
• E. With an Inter-Area Prefix LSA originated by R4
• F. With a Router LSA originated by R4

Answer: C

 

NEW QUESTION 75
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