Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 431:

  Which of the following describes how a router sets the destination IP address for an RSVP RESV message?

  A. It sets the address to the system address of the head-end router.

  B. It sets the address to the next upstream hop from the ERO.

  C. It sets the address to the next upstream hop from the PSB.

  D. It sets the address to the next upstream hop from the RRO.

  Correct Answer: C

• Question 432:

  What does a PE do when a frame is received in a VPLS service with an unknown destination address by default?

  A. Drop the frame.

  B. Flood the frame to all PEs participating in the service.

  C. Send a destination unreachable message back to the originating host.

  D. Store the frame until the destination is known

  Correct Answer: B

• Question 433:

  Which of the following describes a service on the Alcatel-Lucent 7750 SR?

  A. A logical entity that provides a uniform, end-to-end configuration, management and billing model for provisioning either Internet or VPN connectivity.

  B. Provides connectivity between customer access points.

  C. A service that can either be local or distributed.

  D. All of the above

  Correct Answer: D

• Question 434:

  Epipe services do no consume any MAC resources because MAC learning is disabled.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 435:

  A mesh SDP is used to create an Fpipe service.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 436:

  Which of the following about RSVP-TE on an Alcatel-Lucent 7750 SR is TRUE?

  A. Label bindings are distributed to other routers when explicitly requested.

  B. Label bindings are distributed to all neighbors including non-downstream routers.

  C. Label bindings are distributed if labels have not been received from downstream routers.

  D. All labels received from downstream neighbors are stored in the LIB.

  Correct Answer: A

• Question 437:

  Which of the following statements is TRUE about the VRF?

  A. The VRF is a virtual router on the PE router that contains the customer's routes for the VPRN

  B. Each PE maintains multiple VRFs based on the number of PE peers it connects to.

  C. Each PE has a VRF for each VPRN service provisioned on the router.

  D. All of the above.

  E. Only A and C.

  F. Only A and B

  Correct Answer: E

• Question 438:

  Click on the exhibit button below.

  

  Which of the following is the correct configuration for an MP-BGP session on 6VPE1?

  A. PE1>config>router>bgp#info

  group "multi-bgp"

  family vpn-ipv6

  neighbor 10.10.10.2/32

  local-address 10.10.10.1

  peer-as 64496

  exit

  exit

  B. PE1>config>router>bgp#info

  group "multi-bgp"

  family ipv6 vpn-ipv4

  neighbor 10.10.10.2

  local-address 10.10.10.1

  peer-as 64496

  exit

  exit

  C. PE1>config>router>bgp#info

  group "multi-bgp"

  family vpn-ipv6

  neighbor 10.10.10 2

  local-address 10.10.10.1

  peer-as 64496

  exit

  exit

  D. PE1>config>router>bgp#info

  group "multi-bgp"

  family ipv6 vpn-ipv6

  neighbor 10.10.10.2/32

  local-address 10.10.10.1

  peer-as 64496

  exit

  exit

  Correct Answer: C

• Question 439:

  Click on the exhibit.

  

  All links are of equal cost. A CSPF-enabled LSP is configured on R1 to R6. Its fully loose primary path is configured with an "include green" statement and the fully loose secondary path is configured with an "include red" statement.

  Which paths will be taken by this LSP?

  A. No primary path is established. The secondary path will take R1-R2-R4-R6.

  B. The primary path will take R1-R3-R5-R6. The secondary path will take R1-R2-R4-R6.

  C. The primary path will take R1-R2-R4-R6. No secondary path is established.

  D. The primary path will take R1-R2-R4-R6. The secondary path will take R1-R3-R5-R6.

  Correct Answer: C

• Question 440:

  Which of the following regarding MPLS label value assignment is FALSE?

  A. Label values may be dynamically assigned by LDP.

  B. Label values may be dynamically assigned by RSVP-TE.

  C. Label values may be reserved for special uses.

  D. Label values may be dynamically assigned by IGP.

  Correct Answer: D