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Nokia 4A0-C01 Exam
Nokia NRS II Composite Exam (Page 3 )

Updated On: 19-Jan-2026
Page 3 of 170
PDF with 852 Questions

Which of the following about an established LDP session is TRUE?

  1. It uses a UDP connection with an arbitrary port number.
  2. It uses a UDP connection with well-known port number 646.
  3. It uses a TCP connection with an arbitrary port number.
  4. It uses a TCP connection with well-known port number 646.

Answer(s): D



What does a PE do when a frame is received in a VPLS service with an unknown destination address by default?

  1. Drop the frame.
  2. Flood the frame to all PEs participating in the service.
  3. Send a destination unreachable message back to the originating host.
  4. Store the frame until the destination is known

Answer(s): B



When configuring RSVP-TE for transport tunnels, which command enables RSVP by default?

  1. configure router tunnel
  2. configure router gre
  3. configure router rsvp-te
  4. configure router transport-tunnel
  5. configure router mpls

Answer(s): E



What is the purpose of the MPLS TC field (EXP bits)?

  1. Each implementation can use it as they see fit.
  2. It is used to carry the Ether type value.
  3. It is used to carry the TTL value.
  4. It is used to carry QoS classification.
  5. It is used to carry fragmentation flag information.

Answer(s): D



Click on the exhibit.
A fully loose LSP "toR6" 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. Which of the following about this CSPF-enabled LSP on an Alcatel-Lucent 7750 SR is TRUE?

  1. The LSP will stay on the current path indefinitely unless another failure occurs.
  2. The LSP will stay on the current path until the resignal timer expires.
  3. The LSP will switchover to R1-R2-R3-R5-R6 after the resignal timer expires.
  4. The LSP will switchover to R1-R3-R5-R6 after the retry timer expires.

Answer(s): D



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