Nokia Nokia Certifications 4A0-103 Questions & Answers

• Question 221:

  Which of the following are functions of the MPLS control plane in a router? (Choose two)

  A. Label allocation and management.

  B. Label swapping.

  C. Pushing a label on an unlabeled packet.

  D. Label signaling.

  E. Routing lookups.

  Correct Answer: AD

• Question 222:

  When configuring an LSP for fast reroute one-to-one protection, which of the following statements is true?

  A. The LSP can also use facility backup.

  B. The LSP is limited to node protection.

  C. You cannot request bandwidth on the protected LSP.

  D. Node protection can be disabled.

  Correct Answer: D

• Question 223:

  In MPLS, at which device are packets assigned to a FEC?

  A. LSR

  B. LER

  C. eLER

  D. iLER

  E. CE

  Correct Answer: D

• Question 224:

  Which of the following are characteristics of an LSP? (Choose two)

  A. It is unidirectional.

  B. It is bidirectional.

  C. It must always have a secondary path.

  D. It provides a specific tunnel for a FEC through the network.

  E. It always follows the IGP best path.

  Correct Answer: AD

• Question 225:

  Which default LDP parameter are you able to change with CLI?

  A. Label space mode

  B. Label retention

  C. Control mode

  D. Keepalive factor

  Correct Answer: D

• Question 226:

  Which of the following are the default settings for the Alcatel-Lucent 7750 SR when using LDP?

  A. Ordered control mode; downstream on demand.

  B. Ordered control mode; downstream unsolicited.

  C. Independent control mode; downstream on demand.

  D. Independent control mode; downstream unsolicited.

  Correct Answer: B

• Question 227:

  Which of the following commands may only be used on the head end router to verify the status of an LSP named "LSP 1"? (Choose two)

  A. show router mpls Isp "LSP 1" originate

  B. show router mpls Isp "LSP 1" path detail

  C. show router rsvp session originate

  D. show router rsvp session "LSP 1"

  Correct Answer: BC

• Question 228:

  Click on the exhibit button below.

  

  Given the configuration below, which of the following scenarios is FALSE?

  A. Both the primary and secondary paths are explicitly defined.

  B. The primary path is active and the secondary path is in hot standby.

  C. The LSP defined will use the primary path and will signal the secondary path to become active if the primary path fails.

  D. The LSP has the same source and destination for both primary and secondary paths.

  Correct Answer: B

• Question 229:

  If an LSP's loose primary path includes the statement "include green" and "exclude red;" how does CSPF choose the LSP's path?

  A. CSPF chooses a link that is a member of both administrative groups

  B. CSPF chooses only those links that are NOT members of the green admin group

  C. CSPF prunes the green links and uses these links for the secondary path

  D. CSPF signals the LSP path over the green links only, and prunes all other links

  Correct Answer: D

• Question 230:

  What is the common usage of the MPLS EXP bits?

  A. Each implementation can use them as they see fit.

  B. They are used to carry the Ethertype value.

  C. They are used to carry the TTL value.

  D. They are used to carry QoS classification.

  E. They are used to carry fragmentation flag information

  Correct Answer: D