Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 261:

  Which mode does the following statement describe? An LSR will advertise a label mapping immediately, without waiting for a label mapping from the FEC's next-hop.

  A. Liberal label retention mode

  B. Conservative label retention mode

  C. Ordered control mode

  D. Independent control mode

  Correct Answer: D

• Question 262:

  Which of the following about per-interface label space is TRUE?

  A. A single label is assigned to a FEC for all interfaces on the same router.

  B. The same label can be used to forward a packet on an LSR regardless of which egress port is used.

  C. It uses fewer label resources than a per-platform label space.

  D. A separate label is used for each interface that the FEC is advertised on.

  Correct Answer: D

• Question 263:

  Click on the exhibit.

  

  What is the possible reason that the label for prefix 192.10.1.2/32 is not active?

  A. The router does not have a route to reach to the peer 10.10.10.2/32.

  B. The router does not have a route to reach to the prefix 192.10.1.2/32.

  C. The router does not have an export policy defined to export the prefix 192.10.1.2/32 into LDP.

  D. The router receives an invalid label for the prefix 192.10.1.2/32 from its peer.

  Correct Answer: B

• Question 264:

  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 265:

  In a Layer 2 encapsulation, using Martini, what does the second (bottom) label represent?

  A. Tunnel Label

  B. VC Label

  C. Operational Control Word

  D. VPI

  E. VCI

  Correct Answer: B

• Question 266:

  Which of the following encapsulation types on an Ethernet port support the provisioning of multiple SAPs? (Choose 2)

  A. Dot1Q

  B. Q-in-Q

  C. ATM

  D. NULL

  E. Nil

  Correct Answer: AB

• Question 267:

  Which of the following statements are TRUE regarding sdp-ping? (Choose 3)

  A. Provides a mechanism to determine the hops an SDP traverses.

  B. Provides in-band uni-directional connectivity tests.

  C. Provides in-band round-trip connectivity tests.

  D. Tests ability of reaching the far-end IP address of an SDP ID within the SDP encapsulation.

  E. Provides information regarding the exact MTU supported between service ingress and service termination.

  Correct Answer: BCD

• Question 268:

  Which of the following about Type 10 opaque LSAs is TRUE?

  A. Type 10 opaque LSAs are supported by IS-IS.

  B. Type 10 opaque LSAs are flooded to all areas of the routing domain.

  C. Type 10 opaque LSAs are stored in an LSDB.

  D. Type 10 opaque LSAs are used for traffic engineering support.

  Correct Answer: D

• Question 269:

  Click on the exhibit button below.

  

  Assuming the customer only needs to monitor traffic from PE3 to the customer site, what three items are missing from PE3's configuration? (Assume that the IP/MPLS network structure between the local and remote PEsis in place.)

  A. The mirror destination configuration on PE5 is missing the "remote-source" command,

  B. The mirror destination on PE3 needs a "remote-source" command.

  C. The mirror service IDs on the local and remote destinations must match.

  D. The mirror source on PE3 needs a "remote-source" command.

  E. The mirror source command on the remote PE3 needs a command that tells it to monitor port 1/1/2.

  Correct Answer: ACE

• Question 270:

  Click on the exhibit.

  

  After the Isp-ping command is executed, which of the following best describe the router's action?

  A. MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.

  B. MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

  C. MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

  D. MPLS Echo Request packets are sent over TCP.

  Correct Answer: B