Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 491:

  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 492:

  To enable the LDP-over-RSVP feature, which of the following configurations is NOT required on an Alcatel-Lucent 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

• Question 493:

  Which of the following items can NOT be used as a mirror source?

  A. A physical port.

  B. ASAP.

  C. Ingress MPLS frames with a specific label.

  D. Entries that match an IP filter.

  E. Entries that match a MAC filter.

  F. All of the above can be used as a mirror source.

  Correct Answer: F

• Question 494:

  Click on the exhibit.

  

  All links have 1Gbps unreserved bandwidth initially and Shared Explicit reservation style is used. After the LSP's primary and standby secondary paths are signaled, how much unreserved bandwidth is left on the links?

  A. R1-R2 will have 300Mbps left and R2-R4 will have 400Mbps left.

  B. R1-R2 will have 400Mbps left and R2-R4 will have 400Mbps left.

  C. R1-R2 will have 600Mbps left and R2-R4 will have 600Mbps left.

  D. R1-R2 will have 300Mbps left and R2-R4 will have 600Mbps left.

  Correct Answer: C

• Question 495:

  Which of the following statements is TRUE?

  A. An OSPF adjacency can be established on an IES interface.

  B. IES allows provider MP-BGP sessions to be extended to customers.

  C. An IES service must use static routes in order to communicate with customer networks.

  D. An IES interface supports OSPF and IS-IS in passive mode only.

  Correct Answer: A

• Question 496:

  Click on the exhibit.

  

  A fully loose LSP "toR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4R6. Which of the following about this CSPF-enabled LSP on an Alcatel-Lucent 7750 SR is TRUE?

  A. The LSP will stay on the current path indefinitely unless another failure occurs.

  B. The LSP will stay on the current path until the resignal timer expires.

  C. The LSP will switchover to R1-R2-R3-R5-R6 after the resignal timer expires.

  D. The LSP will switchover to R1-R3-R5-R6 after the retry timer expires.

  Correct Answer: D

• Question 497:

  A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 9000 bytes. The service provider is using MPLS encapsulation. What is the minimum MTU setting for the network ports?

  A. 9000

  B. 9004

  C. 9008

  D. 9022

  E. 9036

  Correct Answer: D

• Question 498:

  Click on the exhibit.

  

  An LDP tunnel is established on R1-R2-R4-R6 because the link between routers R3 and R6 is down. With the LDP-IGP Sync feature enabled and after the link is restored, which of the following is FALSE?

  A. Router R3 starts the LDP-Sync timer after recovering the LDP session on R3-R6.

  B. Router R1 continues to use R1-R2-R4-R6 until the LDP-Sync feature is disabled.

  C. Router R3 advertises the maximum metric for the link to router R6.

  D. Router R1 receives a label from router R3 after the LDP session is established on R3- R6.

  Correct Answer: B

• Question 499:

  Which of the following commands is used to enable an Epipe service?

  A. config>service# epipe service-id enable

  B. config>service# vpws service-id enable

  C. config>service# service-id no shutdown

  D. config>port# port-id no shutdown

  E. config>service# epipe service-id no shutdown

  Correct Answer: E

• Question 500:

  Which of the following about RSVP-TE is FALSE?

  A. It supports traffic protection using IGP equal cost paths.

  B. It supports CAC to prevent resource overbooking.

  C. It supports LSPs with traffic engineering constraints.

  D. It supports LSPs that follow the IGP best path.

  Correct Answer: A