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Nokia 4A0-103 Exam
Nokia Multiprotocol Label Switching (Page 4 )

Updated On: 7-Feb-2026
Page 4 of 51
PDF with 256 Questions

Which of the following message types does RSVP use to set up an LSP? (Choose two)

  1. Path message
  2. iLER message
  3. Resv message
  4. LSP setup call request
  5. eLER message

Answer(s): A,C



Assume that, on the Alcatel-Lucent 7750 SR, an LSP is configured with one-to-one FRR and node protection. Which of the following statements are FALSE? (Choose two)

  1. Each PLR signals a detour LSP that avoids the downstream node. If the downstream node cannot be avoided, a detour LSP that avoids the downstream link is signaled.
  2. The detour LSP can take one or more hops before merging back on the protected LSP.
  3. The merge point of the protected LSP must be the next-next-hop node
  4. The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish detour LSPs.
  5. The label recording desired flag must be set in the session attribute object in order for the PLR to know what label to swap when using the detour LSP.

Answer(s): C,E



Click on the exhibit button below.

With fast reroute enabled, and given the following:
-The protected LSP path is R1-R2-R3.
-All links are of equal cost.

Which of the following statements is true? (Choose two)

  1. Router R1 is the LSP originator and is also a PLR.
  2. With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R2-R3.
  3. With one-to-one link or node protection, the detour LSP path is R1-R4-R5-R3.
  4. If the R2-R3 link fails, router R3 becomes a PLR
  5. None of the nodes can be protected with FRR.

Answer(s): A,C



Which of the following statements regarding LSP path configuration are true? (Choose three)

  1. The path must include at least one hop.
  2. The path may be used multiple times in a single LSP.
  3. The path may comprise loose hop entries only.
  4. The path must define the LSP's tail end.
  5. The path may be used for multiple LSPs.

Answer(s): A,D,E



Click on the exhibit button below.


Consider the following:
-Routers R1 and R4 are in Area 1.
-Routers R4 and R5 in Area 0.
-Routers R5 and R3 are in Area 2.

To support LDP-over-RSVP tunnels between routers R1 and R3 over path R1-R4-R5-R3, with which routers will router R5 require targeted sessions? (Choose two)

  1. Router R1
  2. Router R4
  3. Router R2
  4. Router R3

Answer(s): B,D






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