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Nokia 4A0-C04 Exam
Nokia NRS II Composite Exam: OSPF version (Page 5 )

Updated On: 1-Feb-2026
Page 5 of 61
PDF with 298 Questions

Which of the following about label modes on the Nokia 7750 SR is FALSE?

  1. RSVP uses downstream on demand label distribution mode.
  2. LDP uses conservative label retention mode.
  3. LDP advertises label mappings to all peers for which it might be a next-hop for a given FE
  4. RSVP distributes a label mapping for a FEC when it has been requested to do so.

Answer(s): B



Which of the following messages is NOT used in T-LDP operation?

  1. Hello message
  2. Init message
  3. Keepalive message
  4. Label Mapping message
  5. ACK message

Answer(s): E



Refer to the exhibit.



Assume that OSPFv3 is properly configured on all routers and that R4 advertises its system prefix into Area 0. Which of the following statements best describes how R5 learns R4's IPv6 system prefix?

  1. With a Router LSA originated by R1
  2. With a Router LSA originated by R5
  3. With a Router LSA originated by R4
  4. With an Inter-Area Prefix LSA originated by R1
  5. With an Inter-Area Prefix LSA originated by R5
  6. With an Inter-Area Prefix LSA originated by R4

Answer(s): D



What are the default Hello and Dead timer intervals for OSPF on the Nokia 7750 SR?

  1. 5 and 15 seconds
  2. 10 and 30 seconds
  3. 5 and 20 seconds
  4. 10 and 40 seconds

Answer(s): D



An operator configures an Nokia 7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3.

What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

  1. Router LSA
  2. AS External LSA
  3. Intra-Area Prefix LSA
  4. Inter-Area Prefix LSA
  5. Network LSA
  6. None of the statements are correct.

Answer(s): B



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