Free 4A0-C04 Exam Braindumps
Nokia NRS II Composite Exam: OSPF version Questions 71–75 (page: 16)

Updated On: 9-Feb-2026

Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

  1. They must be recognized by all peers and included in all BGP updates.
  2. They are discarded if not recognized by the recipient.
  3. They must be recognized by all peers and optionally included in BGP updates.
  4. The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

Answer(s): C



An IS-IS TE enabled router has an interface on a 500Mbps link and it is configured with a 25% subscription. If this interface is not used by any LSPs. what value will be shown in the Reservable Bandwidth sub-TLV?

  1. 125 Mbps
  2. 500 Mbps
  3. 625 Mbps
  4. 2000 Mbps

Answer(s): A



When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?

  1. The MTU does not match on both interfaces
  2. OSPF is not enabled on one of the routers
  3. The Router ID is the same on both routers
  4. A OSPF Hello has not been received from the neighbor

Answer(s): A



Click the exhibit.



Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

  1. 10.0.2.1
  2. 10.0.2.2
  3. 10.16.10.1
  4. 10.16.10.3

Answer(s): B



Click the exhibit.



The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix 192.168.20.0/24?

  1. LDP
  2. BGP
  3. MP-BGP
  4. MPLS

Answer(s): C



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