Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 311:

  Which tree in the CLI would you need to be in to add a QoS policy to a SAP?

  A. config>router#

  B. config>qos#

  C. config>port#

  D. config>service#

  Correct Answer: D

• Question 312:

  Which of the following conditions are necessary in order for service labels to be signaled between two PE routers? (Choose 3)

  A. LDP must be enabled on both PE routers.

  B. RSVP must be enabled on both PE routers.

  C. Traffic engineering must be enabled in the IGP.

  D. The VC-ID must match between the two PE routers in both directions.

  E. The transport tunnel must be operationally up between the two PE routers in both directions.

  F. The SDP ID must match between the two PE routers in both directions.

  Correct Answer: ADE

• Question 313:

  When a physical port is configured for null encapsulation, many SAPs can be configured using that port.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 314:

  What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label of 3?

  A. It requests a new label from the peer that provided this label.

  B. It pops the label.

  C. It pushes an additional label onto the label stack.

  D. It signals a new label to the peer that sent the packet.

  Correct Answer: B

• Question 315:

  Which of the following about RSVP-TE LSP configuration in a Alcatel-Lucent 7750 SR is TRUE?

  A. LSPs must always terminate on a system ID.

  B. MPLS and RSVP must be enabled on all LSRs.

  C. CSPF must be enabled.

  D. Path definitions must include at least one hop entry.

  Correct Answer: B

• Question 316:

  Click on the exhibit.

  

  Initially, all links have 800Mbps of unreserved bandwidth. All links are of equal costs. Shared explicit reservation style is used. LSP 1 is signaled first with a setup and hold priority of 2. Then, LSP 2 is signaled with setup and hold priority of 5. Both LSPs go from R1 to R5. Which of the following is TRUE?

  A. LSP 1 will follow R1-R3-R4-R5. LSP 2 will follow R1-R2-R5.

  B. LSP1 will follow R1-R2-R5. LSP 2 will follow R1-R3-R4-R5.

  C. Both LSP 1 and LSP 2 will follow R1-R2-R5.

  D. Both LSP 1 and LSP 2 will follow R1-R3-R4-R5.

  Correct Answer: C

• Question 317:

  Which of the following about MPLS fast reroute is TRUE?

  A. Fast reroute is used when redundant links are not available.

  B. Fast reroute provides path protection close to the failure point.

  C. Fast reroute provides fast failure detection to the head-end router.

  D. Fast reroute protects both primary and secondary paths.

  Correct Answer: B

• Question 318:

  Which of the following regarding the location of an MPLS label is FALSE?

  A. The MPLS label value may be carried in an ATM header.

  B. The MPLS label value may be carried in a shim header.

  C. The MPLS label value may be carried in an OSPF header.

  D. The MPLS label value may be carried in a Frame Relay header.

  Correct Answer: C

• Question 319:

  Click on the exhibit.

  

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

  A. R1, R2, and R4 can be PLRs; R6 is the MP.

  B. R1, R2, and R4 can be PLRs; R2, R4, and R6 are MPs.

  C. R1, R2, R3, R4, and R5 can be PLRs; R6 is the MP.

  D. R1, R2, R3. R4, and R5 can be PLRs; R2, R4, and R6 is the MP.

  Correct Answer: B

• Question 320:

  VPWS allows carriers to offer services such as point-to-point frame-relay, ATM, and Ethernet on a single platform without the need for multiple overlay networks.

  A. TRUE

  B. FALSE

  Correct Answer: A