Free 4A0-C01 Exam Braindumps
Nokia NRS II Composite Exam Questions 416–420 (page: 85)

Updated On: 9-Feb-2026

Click on the exhibit.

All links have 1 Gbps unreserved bandwidth initially and all LSPs have the least-fill feature enabled. After the two LSPs have been signaled as shown, two additional LSPs are configured. LSP-3 is signaled first with 50Mbps reserved. LSP-4 is signaled after with 400Mbps reserved.
Which paths will CSPF choose for LSP-3 and LSP-4?

  1. Both LSP-3 and LSP-4 take R1-R2-R4-R6.
  2. Both LSP-3 and LSP-4 take R1-R3-R5-R6.
  3. LSP-3 takes R1-R3-R5-R6 and LSP-4 takes R1-R2-R4-R6.
  4. LSP-3 takes R1-R2-R4-R6 and LSP-4 takes R1-R3-R5-R6.
  5. CSPF randomly chooses one of the equal cost paths for the two LSPs.

Answer(s): B



Which of the following about Fast Reroute node protection tunnels is FALSE?

  1. Node protection tunnels detour around a failed next downstream router.
  2. Node protection tunnels can only be requested for a primary LSP path.
  3. Node protection tunnels are only used by one-to-one Fast Reroute.
  4. Link protection tunnels are established if a router is unable to establish node protection tunnels.

Answer(s): C



Which of the following is NOT a service offered on the Alcatel-Lucent 7750 SR?

  1. IES
  2. VPWS
  3. VPLS
  4. VPRN
  5. L2TP

Answer(s): E



Click on the exhibit.

A fully loose LSP MtoR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. By default, which of the following about this LSP on an Alcatel-Lucent 7750 SR is FALSE?

  1. The LSP will switch to R1-R3-R5-R6 after the resignal timer expires.
  2. The old primary path and its detours are torn down after the new primary path is established.
  3. CSPF must be enabled to find a more optimal path.
  4. The traffic is switched to R1-R3-R5-R6 in an MBB fashion.

Answer(s): A



Click on the exhibit.

An LSP's primary path takes R1-R3-R5-R6. Its fully loose secondary path is configured for SRLG. All links are of equal cost. Which path will the secondary path take?

  1. The secondary path will take R1-R3-R2-R4-R6.
  2. The secondary path will take R1-R2-R4-R6.
  3. The secondary path will take R1-R2-R3-R5-R6.
  4. The secondary path will take R1-R3-R2-R4-R5-R6.

Answer(s): A



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