Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 271:

  Which of the following OSPFv3 LSAs have an AS scope?

  A. Link Local LSA

  B. Router LSA

  C. Network LSA

  D. Inter-Area Router LSA

  E. Intra-Area Prefix LSA

  F. None of the above LSAs have an AS scope.

  Correct Answer: F

• Question 272:

  Click on the exhibit.

  

  The LSP "toR6" is configured with a fully strict path on an Nokia 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

  A. Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.

  B. Enable both link-protection and node-protection on router R1.

  C. Enable fast-reroute with either one-to-one or facility mode on this LSP.

  D. Enable link-protection only on router R4.

  Correct Answer: C

• Question 273:

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

  A. Metric is based on hop count.

  B. Slow convergence after link failures.

  C. Support hierarchy through the use of areas.

  D. Support for CIDR.

  E. Link state updates sent using layer 3 multicast.

  Correct Answer: CD

• Question 274:

  Which of the following about VPRN VRF tables is FALSE?

  A. A PE uses the same VRF table for all the VPRN services on it.

  B. A PE uses a VRF to maintain forwarding information.

  C. Information for VRFs can be advertised between PEs by MP-BGP.

  D. A PE uses a VRF to route traffic to CEs.

  Correct Answer: A

• Question 275:

  Click the exhibit.

  

  Router R2 is advertising prefix 192.168.1.0/27 with community "no-advertise" towards AS 65002.

  Which routers receive an update for that prefix?

  A. Router R3 only.

  B. Routers R3 and R4 only.

  C. Routers R3, R4 and R5 only.

  D. Router R2 does not advertise an update for the prefix.

  Correct Answer: A

• Question 276:

  Which of the following is TRUE if the local state of BGP is OpenConfirm?

  A. The local system has received a Keepalive message and is ready to exchange updates.

  B. The local system is exchanging Update messages with its neighbor.

  C. The local system has sent a Keepalive message to its neighbor and is waiting to receive one back.

  D. The local system has sent an Open message to its neighbor and is waiting to receive one back.

  Correct Answer: C

• Question 277:

  Click the exhibit button.

  

  If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.

  A. The OSPF internal preference

  B. The IS-IS Level 1 internal preference

  C. The IS-IS Level 2 internal preference

  D. The OSPF external preference

  E. The IS-IS Level 2 external preference

  F. The IS-IS Level 1 external preference

  Correct Answer: BD

• Question 278:

  Which of the following about VPRNs is TRUE?

  A. Customers must use the same routing protocol as the service provider.

  B. Customers belonging to the same VPRN service must use the same subnet.

  C. Service providers only need to perform configurations on the PEs to add additional VPRNs.

  D. For each VPRN, only one customer can be connected at each PE.

  Correct Answer: C

• Question 279:

  Which of the following about LSP path configuration on an Nokia 7750 SR is TRUE?

  A. The path must include at least one hop.

  B. The path may be used for multiple LSPs.

  C. The path may be used multiple times in a single LSP.

  D. The path must define a tunnel destination IP address.

  Correct Answer: B

• Question 280:

  Click on the exhibit.

  

  An LSP traverses the path R1-R2-R3. With one-to-one fast reroute enabled, which router becomes a DMP for the detour tunnels?

  A. Router R1

  B. Router R2

  C. Router R3

  D. Router R4

  E. Router R5

  Correct Answer: E