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Nokia 4A0-C01 Exam
Nokia NRS II Composite Exam (Page 6 )

Updated On: 19-Jan-2026
Page 6 of 170
PDF with 852 Questions

Which of the following statements best describes the flooding of traffic on a PE when traffic is received on a SAP?

  1. Traffic is flooded to all SAPs in the service.
  2. Traffic is flooded to all SAPs and spoke SDPs in the service.
  3. Traffic is flooded to all SAPs and mesh SDPs in the service.
  4. Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.
  5. The traffic is not flooded.

Answer(s): D



On Alcatel-Lucent 7750 SR OS, routing information between the CE and PE can be exchanged using the following methods.

  1. ISIS, RIP, OSPF, static routes
  2. BGP, ISIS, RIP, OSPF, static routes
  3. BGP, RIP, OSPF, static routes, OSPF3
  4. ISIS, RIP, OSPF, static routes, OSPF3

Answer(s): C



Click on the exhibit.

An LSP traverses the path R1-R2-R3-R6 and facility fast reroute is enabled. If the protected LSP carries one transport label and one service label, how many labels will be on the bypass tunnel if router R2 fails?

  1. 1
  2. 2
  3. 3
  4. 4

Answer(s): C



Which of the following best describes downstream on demand label distribution?

  1. An LSR answers requests for label mappings immediately, without waiting for a label mapping from the next-hop.
  2. An LSR advertises label mappings to all peers for which it might be a next-hop for a given FEC.
  3. An LSR distributes a label mapping for a FEC when it has been requested to do so.
  4. An LSR propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC's next-hop.

Answer(s): C



Which of the following about the use of RRO in fast reroute is FALSE?

  1. RRO is used to report the protection tunnel status to the head-end router.
  2. RRO contains the MP information that is required by a PLR for facility protection.
  3. RRO contains the label information that is expected by an MP for facility protection.
  4. RRO is used to inform downstream routers about the protection type requested.

Answer(s): D



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