Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 381:

  Which of the following about the use of RRO in fast reroute is FALSE?

  A. RRO is used to report the protection tunnel status to the head-end router.

  B. RRO contains the MP information that is required by a PLR for facility protection.

  C. RRO contains the label information that is expected by an MP for facility protection.

  D. RRO is used to inform downstream routers about the protection type requested.

  Correct Answer: D

• Question 382:

  Click on the exhibit.

  

  Under which condition might the peer entry with an LDP ID of 10.10.10.2:0 show the state "Nonexistent"?

  A. When the interface to the peer router is down.

  B. When router R1 has no route to the peer address 10.10.10.2.

  C. When LDP is not configured on the peer router's interface.

  D. When the targeted session is not configured.

  Correct Answer: B

• Question 383:

  Which OAM command can be used to verify the correct and consistent provisioning of a service between two service end points?

  A. sdp-ping

  B. Isp-ping

  C. sap-ping

  D. svc-ping

  Correct Answer: D

• Question 384:

  Which of the following about an LSP protected with facility FRR is TRUE?

  A. The LSP can use protection tunnels used by other LSPs.

  B. The LSP can use facility and one-to-one FRR simultaneously.

  C. The LSP is limited to link protection.

  D. A detour protection tunnel is created for this LSP.

  Correct Answer: A

• Question 385:

  If an LSP needs to use an admin group, which of the following configurations is NOT required on the Alcatel-Lucent 7750 SR?

  A. Assign an admin group to a MPLS interface.

  B. Configure CSPF on the LSP.

  C. Configure at least one strict hop on the LSP path.

  D. Configure an "include" or "exclude" statement on the LSP path.

  Correct Answer: C

• Question 386:

  An Alcatel-Lucent 7750 SR enabled with LDP has multiple equal cost paths to a given FEC. After ECMP is enabled, which of the following is FALSE?

  A. The router has new entries added for the given FEC in its LIB.

  B. The router has new entries added for the given FEC in its FIB.

  C. The router generates a single label for the given FEC and advertises it to all its peers,

  D. The router has multiple LSP tunnels for the given FEC.

  Correct Answer: A

• Question 387:

  Click on the exhibit.

  

  Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection. When router R1 is the PLR, which router becomes the Merge Point (MP) for this LSP?

  A. Router R1

  B. Router R2

  C. Router R3

  D. Router R4

  E. Router R5

  Correct Answer: B

• Question 388:

  Click on the exhibit.

  

  RSVP session state for LSP 1 has timed out on router R3. Which of the following actions will router R3 initiate to clear the RSVP session?

  A. Send a PATH Tear message toward router R6.

  B. Send a PATH Tear message toward router R1.

  C. Send a PATH Error message toward router R6.

  D. Send a PATH Error message toward router R1.

  Correct Answer: D

• Question 389:

  Which of the following about RSVP-TE is TRUE?

  A. RSVP-TE is a routing protocol.

  B. RSVP-TE requests end-to-end resources for unidirectional data flow.

  C. RSVP-TE consults the local RSVP database to determine the path from source to destination.

  D. RSVP-TE generates a TED for storing traffic engineering information.

  Correct Answer: B

• Question 390:

  Click on the exhibit.

  

  The LSP "toR6" is configured with a fully strict path on an Alcatel-Lucent 7750 SR. Which of the following configurations is required to enable fast reroute for this LSP?

  A. Enable fast-reroute on all routers along the path. R1, R2, R4, and R6.

  B. Enable both link-protection and node-protection on router R1.

  C. Enable fast-reroute with either one-to-one or facility mode on this LSP.

  D. Enable link-protection only on router R4.

  Correct Answer: C