Alcatel-Lucent Alcatel-Lucent Certifications 4A0-103 Questions & Answers

• Question 31:

  Which of the following about CSPF is TRUE?

  A. The tail-end router performs the CSPF calculation for an LSP.

  B. CSPF calculations are always performed on RSVP-TE based LSPs.

  C. The head-end router performs the CSPF calculation for an LSP.

  D. Each downstream router performs its own CSPF calculation for an LSP.

  Correct Answer: C

• Question 32:

  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 33:

  Which of the following about LSP path configuration on an Alcatel-Lucent 7750 SR is TRUE?

  A. The path must include at least one hop.

  B. The path may be used for multiple LSPs.

  C. The path may be used multiple times in a single LSP.

  D. The path must define a tunnel destination IP address.

  Correct Answer: B

• Question 34:

  Which of the following messages is NOT used in T-LDP operation?

  A. Hello message

  B. Init message

  C. Keepalive message

  D. Label Mapping message

  E. ACK message

  Correct Answer: E

• Question 35:

  Click on the exhibit.

  

  Which of the following is FALSE?

  A. The router can reach prefix 192.10.1.2/32 through a RSVP-TE tunnel.

  B. The router can reach prefix 192.10.1.2/32 through an LDP tunnel.

  C. The router 10.10.10.2 is the egress router of the prefix 192.10.1.2/32.

  D. The Isp-ping tool is used to perform a unidirectional LSP test.

  Correct Answer: A

• Question 36:

  Which of the following devices assumes the active role during the establishment of an LDP session?

  A. The peer with the higher physical address.

  B. The peer with the higher transport address.

  C. The peer with the lower physical address.

  D. The peer with the lower transport address.

  E. The peer that generated the first Hello message.

  Correct Answer: B

• Question 37:

  Which of the following about the Link LDP discovery process on the Alcatel-Lucent 7750 SR is FALSE?

  A. LDP Hello messages are sent over TCP.

  B. LDP Hello messages are sent to the All Routers address 224.0.0.2.

  C. LDP Hello messages are exchanged between all directly connected LDP enabled routers.

  D. Each LDP enabled router must have its own unique system IP address.

  Correct Answer: A

• Question 38:

  Which of the following regarding MPLS encapsulation for VPRN services is TRUE?

  A. The customer's Layer 3 header is removed at the iLER.

  B. The customer's Layer 2 header is removed at the iLER.

  C. The customer's Layer 3 header is removed at the eLER.

  D. The customer's Layer 2 header is removed at the eLER.

  Correct Answer: A

• Question 39:

  Consider a device that uses per-platform label space; which of the following fields is NOT contained in the LFIB?

  A. Incoming label

  B. Outgoing label

  C. Incoming interface

  D. Outgoing interface

  Correct Answer: C

• Question 40:

  Fill in the blanks: A ________device has all interfaces inside the provider domain, and a _______ device has at least one interface outside the provider domain.

  A. PE, P

  B. P, PE

  C. PE, CE

  D. CE, PE

  E. CE, P

  Correct Answer: B