Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 121:

  Which of the following is NOT a goal of BGP routing policies?

  A. To protect external networks from instability.

  B. To communicate the architecture of an AS to external ASs.

  C. To protect the local AS and other external ASs from bad NLRI.

  D. To optimize ingress and egress traffic patterns to best serve the users of the AS.

  Correct Answer: B

• Question 122:

  A VPLS has a service MTU of 1600. To create an IES spoke termination to the VPLS, what ip-mtu value must be used for the IES?

  A. 1586

  B. 1596

  C. 1600

  D. 1614

  Correct Answer: A

• Question 123:

  What are the default settings for RSVP-TE on the Nokia 7750 SR?

  A. Per-interface label space, liberal retention mode

  B. Per-platform label space; liberal retention mode

  C. Per-interface label space, conservative retention mode

  D. Per-platform label space, conservative retention mode

  Correct Answer: D

• Question 124:

  Which of the following about the Nokia 7750 SR sdp-ping is TRUE?

  A. It tests the IGP reachability of the far-end IP address of an SDP.

  B. It tests that the MTU settings of a service are correct.

  C. It tests in-band, uni-directional or round-trip connectivity of SDPs.

  D. It tests the reachability of hosts connected to an SDP.

  Correct Answer: C

• Question 125:

  Which of the following about VPLS MAC learning is FALSE?

  A. The PE routers of the service are responsible for learning MAC addresses.

  B. Flooding ensures that all PEs in a fully-meshed VPLS will learn the source address of all traffic.

  C. MAC learning reduces flooding of frames with previously learned addresses.

  D. Multiple VPLSes on the same PE share the same MAC FDB.

  Correct Answer: D

• Question 126:

  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. 'asbr' is missing from router R1's configuration.

  B. Router R1 needs to have an export policy added to it.

  C. Router R5 does not have an export policy for these prefixes.

  D. Router R1 needs to have an import policy added to it.

  Correct Answer: C

• Question 127:

  Choose the Distance Vector Protocols from the list below:

  A. OSPF

  B. RIPv1

  C. RIPv2

  D. IS-IS

  Correct Answer: BC

• Question 128:

  Click the exhibit.

  

  After router A receives the BGP update for the 10.3.3.0/24 prefix, which routers will the route be propagated to?

  A. All routers with which it has a BGP session.

  B. All routers with which it has a BGP session, except the router it received the update from, which is router B.

  C. All routers with which it has a BGP session, except the router it received the update from, which is router C.

  D. All routers with which it has a BGP session, except the router it received the update from, which is router D.

  E. Only eBGP neighbors.

  Correct Answer: E

• Question 129:

  Click on the exhibit.

  

  An LSP traverses R1-R2-R4-R6 and one-to-one fast reroute with link protection is enabled. All links have the same cost. Which of the following about DMP and MP is TRUE?

  A. R3 and R5 become DMPs; R6 becomes MP.

  B. R3 and R5 become DMPs; R4 becomes MP.

  C. R3, R5, and R6 become DMPs; R4 becomes MP.

  D. R1, R3, and R5 becomes DMPs; R4 and R6 become MPs.

  Correct Answer: A

• Question 130:

  Click on the exhibit.

  

  The partial command output from an Nokia 7750 SR is shown. Which of the following about this LSP path is TRUE?

  A. R4 (10.10.10.4) has established a link protection tunnel.

  B. R6 (10.10.10.6) has established a link protection tunnel.

  C. R2 (10.10.10.2) has established a node protection tunnel.

  D. R1 (10.10.10.1) has not established a node protection tunnel.

  Correct Answer: A