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Nokia 4A0-C04 Exam
Nokia NRS II Composite Exam: OSPF version (Page 7 )

Updated On: 1-Feb-2026
Page 7 of 61
PDF with 298 Questions

Which of the following fields does NOT appear in the MPLS label header?

  1. Label
  2. Frame check sequence
  3. Traffic Class (previously called Experimental)
  4. Time To live
  5. Bottom of stack bit

Answer(s): B



Which MPLS mode saves only active label mappings received from peer LSRs?

  1. Conservative label retention
  2. Liberal label retention
  3. Downstream on demand
  4. Downstream unsolicited

Answer(s): A



Click the exhibit.



Assuming that none of the routers within AS 65200 is configured with next-hop-self", what will the BGP update for the 192.168.0.1/27 prefix contain when it arrives at router B?

  1. AS Path of 65200 65100, Next Hop of router
  2. AS Path of 65200 65100, Next Hop of router E.
  3. AS Path of 65100, Next Hop of router E.
  4. AS Path of 65100, Next Hop of router A.

Answer(s): C



An SDP using GRE encapsulation is configured for an E-pipe service. The network port used by the SDP has an MTU of 8000. What value does the SDP path MTU have by default on an Nokia 7750 SR?

  1. 7958
  2. 7978
  3. 8022
  4. 8042

Answer(s): A



Which of the following statements regarding BGP Fast Reroute is FALSE?

  1. BGP Fast Reroute is triggered by IGP events.
  2. The backup path is pre-computed and installed in the FI
  3. BGP Fast Reroute is independent of number of affected prefixes.
  4. BGP Fast Reroute uses the optimal path to the destination.

Answer(s): D



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