Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 21:

  Click the exhibit.

  

  Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 22:

  When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?

  A. The metric must be set accordingly for RIP

  B. The subnet mask must be removed from the OSPF route

  C. You must divide the cost of the OSPF route by three

  D. The router must be configured as an ASBR

  Correct Answer: A

• Question 23:

  Click on the exhibit.

  

  The path of a fast reroute protected LSP is R1-R2-R3. Which of the following about the protected LSP path is TRUE?

  A. All routers along the path, R1, R2, and R3 can be PLRs.

  B. If the R1-R2 link fails, router R4 becomes an MP.

  C. If the R2-R3 link fails, router R3 becomes a PLR.

  D. Router R1 is the LSP head-end and can be a PLR.

  Correct Answer: D

• Question 24:

  In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

  A. Tunnel Label

  B. VC Label

  C. Operational Control Word

  D. UNI

  E. NNI

  Correct Answer: A

• Question 25:

  Which of the following statements best describes an OSPF type 3 LSA?

  A. An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.

  B. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.

  C. An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.

  D. An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

  Correct Answer: D

• Question 26:

  Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

  A. Prefix list 192.168.0.0/16 through 18.

  B. Prefix 192.168.0.0/17 longer.

  C. Prefix list 192.168.0.0/17 through 18.

  D. Prefix 192.160.0.0/13 longer.

  Correct Answer: A

• Question 27:

  Which routing protocol cannot be run over an Ipipe?

  A. OSPF

  B. RIP

  C. BGP

  D. IS-IS

  Correct Answer: D

• Question 28:

  What causes an adjacency to change from "Init" to "Two Way"?

  A. When a Link State Update is received in response to a Link State Request

  B. When a router receives a Hello packet from a neighbor that contains its router id in the neighbor list

  C. When OSPF neighbors exchange Database Descriptor packets

  D. When a Link State Acknowledgement is received in response to a Link State Update

  Correct Answer: B

• Question 29:

  Click the exhibit.

  

  Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router RR1?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 30:

  Click the exhibit.

  

  Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that router R6 is configured with "advertise-external", what is the expected output of "show router bgp routes" when executed on router R1?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D