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Free 4A0-C01 Exam Braindumps (page: 51)

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Consider the output shown; why is the label in bold font not in use?

  1. The router cannot do a SWAP of this label.
  2. The label does not match the egress label for the same FEC.
  3. The label is for a FEC for which the next-hop is the peer router
  4. The label was signaled in error.

Answer(s): C



Two IS-IS routers are exchanging Hello packets with different authentication types. Which of the following is TRUE?

  1. Different authentication types are not possible because IS-IS only supports password authentication.
  2. An adjacency will not be formed.
  3. The two routers negotiate the authentication type and then reach the up state.
  4. Only an L2 adjacency will form, as long as both routers are L2 capable.

Answer(s): B



Which of the following statements regarding RSVP refresh reduction are true1? (Choose two)

  1. Message-IDs replace individual refresh messages.
  2. Refresh reduction applies only to reservation messages.
  3. RSVP generates a summary-refresh message for each LSP.
  4. An LSP state change causes an incremented Message-I

Answer(s): A,D



Which of the following is NOT a field in the IPv6 header?

  1. Next Header
  2. Traffic Class
  3. Hop Limit
  4. Fragment Offset
  5. Flow Label

Answer(s): D






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