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Free 4A0-103 Exam Braindumps
Nokia Multiprotocol Label Switching Questions 121–125 (page: 26)

Updated On: 9-Feb-2026
Page 26 of 51
PDF with 256 Questions

Click on the exhibit.


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

  1. Send a RESV Tear message toward router R6.
  2. Send a RESV Tear message toward router R1.
  3. Send a RESV Error message toward router R6.
  4. Send a RESV Error message toward router R1.

Answer(s): B



Which of the following about the Alcatel-Lucent 7750 SR command "own Isp-trace" is FALSE?

  1. The MPLS TTL values are incremented at each request.
  2. The router uses MPLS Echo Request packets that are IP-routed.
  3. The router collects hop information along the tunnel's path.
  4. The router performs an unidirectional LSP test.

Answer(s): B



Click on the exhibit.


Initially, all links have 800Mbps of unreserved bandwidth. All links are of equal costs. Shared explicit reservation style is used. LSP 1 is signaled first with a setup and hold priority of 2. Then, LSP 2 is signaled with setup and hold priority of 5. Both LSPs go from R1 to R5. Which of the following is TRUE?

  1. LSP 1 will follow R1-R3-R4-R5. LSP 2 will follow R1-R2-R5.
  2. LSP1 will follow R1-R2-R5. LSP 2 will follow R1-R3-R4-R5.
  3. Both LSP 1 and LSP 2 will follow R1-R2-R5.
  4. Both LSP 1 and LSP 2 will follow R1-R3-R4-R5.

Answer(s): C



Which of the following about LDP-over-RSVP is TRUE?

  1. RSVP LSPs must exist between each PE-ABR pair, or ABR-ABR pair in each area.
  2. When LDP-over-RSVP is active, the LDP prefixes are resolved to a physical egress interface.
  3. Targeted sessions must exist between all routers along the tunnel path.
  4. Link LDP sessions must exist between each ABR-ABR pair in each area.

Answer(s): A



Which of the following about CAC is FALSE?

  1. CAC is used when the LSP path has not been computed by CSPF.
  2. CAC is used when the LSP path has been computed by CSPF.
  3. CAC is used to perform a bandwidth check on each egress interface of the downstream router.
  4. CAC is used to perform a bandwidth check based on the router's LSDB.

Answer(s): D



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