Free 4A0-103 Exam Braindumps (page: 33)

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Which of the following about CAC is FALSE?

  1. CAC is used when the LSP path has not been computed by CSPF.
  2. CAC is used when the LSP path has been computed by CSPF.
  3. CAC is used to perform a bandwidth check on each egress interface of the downstream router.
  4. CAC is used to perform a bandwidth check based on the router's LSDB.

Answer(s): D



Click on the exhibit.


The link between routers R4 and R6 is down before the LSP is signaled. CSPF is enabled on the LSP. Which of the following conditions is TRUE?

  1. Router R1 sends a PATH message and router R4 sends back a PATH Error message.
  2. Router R1 does not send a PATH message because it detects an error.
  3. Router R1 sends a PATH message and router R4 sends back a PATH Tear message.
  4. Router R1 sends a PATH message and router R4 sends back a RESV Error message.

Answer(s): B



Which of the following is NOT an advantage of MPLS shortcuts for BGP traffic?

  1. It makes use of MPLS resiliency features available within an AS.
  2. It eliminates double route lookups on all routers within an AS.
  3. It eliminates the need to run IGP on all routers within an AS.
  4. It eliminates the need for an iBGP full mesh on all core routers.

Answer(s): C



Which of the following about configuring an LSP path definition on an Alcatel-Lucent 7750 SR is FALSE?

  1. A path definition can have both loose and strict hops.
  2. A path definition can be configured with loose hops only.
  3. A path definition is configured on the head-end router only,
  4. A path definition is not required if CSPF is enabled on an LSP.

Answer(s): D






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