Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 91:

  An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the SDP has an MTU of 8000. What value does the SDP path MTU have by default on an Nokia 7750 SR?

  A. 7958

  B. 7978

  C. 8022

  D. 8042

  Correct Answer: A

• Question 92:

  Click the exhibit.

  

  Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will the BGP update for the 192.168.0.1/27 prefix contain when it arrives at router B?

  A. AS Path of 65200 65100, Next Hop of router A.

  B. AS Path of 65200 65100, Next Hop of router E.

  C. AS Path of 65100, Next Hop of router E.

  D. AS Path of 65100, Next Hop of router A.

  Correct Answer: C

• Question 93:

  Which of the following statements regarding BGP Fast Reroute is FALSE?

  A. BGP Fast Reroute is triggered by IGP events.

  B. The backup path is pre-computed and installed in the FIB.

  C. BGP Fast Reroute is independent of number of affected prefixes.

  D. BGP Fast Reroute uses the optimal path to the destination.

  Correct Answer: D

• Question 94:

  Which of the following is NOT a benefit of "Hub and Spoke'' VPLS deployments?

  A. They reduce the number of SDPs that need to be configured.

  B. They can be used to work around physical topologies that prevent a fully meshed deployment.

  C. They prevent loops that can be introduced by mesh deployments.

  D. They can simplify the implementation of security policy enforcement and packet inspection.

  Correct Answer: C

• Question 95:

  A CE is connected to an IES interface. Which of the following is TRUE?

  A. The IES's interface must be an IGP peer with the CE.

  B. The IES must use an IP address that is different than the C?

  C. The IES can only include one SAP for the CE.

  D. The IES must include a network port.

  Correct Answer: B

• Question 96:

  Which of the following messages is NOT used in T-LDP operation?

  A. Hello message

  B. Init message

  C. Keepalive message

  D. Label Mapping message

  E. ACK message

  Correct Answer: E

• Question 97:

  Click on the exhibit.

  

  An LSP path is established on router R1 toward router R6. If there is a problem on router R4, but the link between R2 and R4 remains up, which of the following will affect the failure detection time?

  A. The time router R2 takes to receive a PATH Error message from router R4.

  B. The time router R2 takes to find out a number of RSVP Hello messages have been missed.

  C. The time router R2 takes to send a PATH Tear message to the head-end router.

  D. The time router R2 takes to receive a PATH message from router R4 after a PATH refresh interval.

  Correct Answer: B

• Question 98:

  Which of the following statements about the BGP Advertise External feature is FALSE?

  A. It modifies the BGP advertisement logic.

  B. It improves convergence times and allows for better load sharing.

  C. It allows a router to advertise multiple external paths for a single prefix.

  D. It supports both IPv4 and IPv6.

  Correct Answer: C

• Question 99:

  Click the exhibit button.

  

  The following command sequence is executed on router R2:

  A:

  R2# configure router ospf router-id 10.10.10.99

  A:

  R2# configure router router-id 10.10.10.66

  On router R1, what router ID appears for router R2 directly after these commands are executed?

  A.

  10.10.10.99

  B.

  10.10.10.66

  C.

  10.10.10.2

  D.

  10.10.10.1

  Correct Answer: C

• Question 100:

  To enable the LDP-over-RSVP feature, which of the following configurations is NOT required on an Nokia 7750 SR?

  A. Enable the Idp-over-rsvp feature on all PEs and ABRs along the LSP tunnel.

  B. Configure Link-LDP sessions between each PE-ABR and ABR-ABR pair.

  C. Configure RSVP-TE LSPs in each area between each PE-ABR and ABR-ABR pair.

  D. Configure T-LDP sessions with the tunneling option.

  Correct Answer: B