Free 4A0-102 Exam Braindumps
4A0-102 Alcatel-Lucent Border Gateway Protocol Questions 56–60 (page: 13)

Updated On: 9-Feb-2026

Which of the following statements regarding BGP Add-Paths is FALSE?

  1. Add-Paths allows non-best paths to be advertised to a peer.
  2. Add-Paths capabilities are exchanged between peers after the BGP session is established.
  3. A BGP speaker must advertise the capability to receive multiple paths from its peer.
  4. A BGP speaker must advertise the capability to send multiple paths to its peer.

Answer(s): B



Click the exhibit.


Router R6 is a route reflector for clients R1, R2 and R5. Router R5 is configured with a local preference of 200. On which routers is "advertise-external* needed for router R6 to receive exactly two distinct routes for prefix 192.168.1.0/27?

  1. On router R5 only.
  2. On either router R1or R2.
  3. On both routers R1and R2.
  4. On all routers R1, R2 and R5.

Answer(s): B



Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6. Assuming that routers R1, R2 and R4 are configured with "add-paths ipv4 send 2 receive", what is the expected output of "show router bgp routes" when executed on router R2?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A



Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R2?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A



Which of the following statements regarding BGP control plane convergence is FALSE?

  1. Core and edge node failure recovery depends on IGP convergence.
  2. Edge neighbor failure is detected by the eBGP session timeout.
  3. BGP control plane convergence is independent of number of affected prefixes.
  4. Upon BGP control plane convergence, an optimal path is installed in the FIB.

Answer(s): C



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