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4A0-102 Alcatel-Lucent Border Gateway Protocol Questions 46–50 (page: 11)

Updated On: 9-Feb-2026

Which of the following behaviors regarding the modification of BGP attributes within a confederation is TRUE?

  1. Next Hop is modified when crossing member AS boundaries within a confederation.
  2. Origin Code is modified when crossing member AS boundaries within a confederation.
  3. AS Path is modified when crossing member AS boundaries within a confederation.
  4. None of the well known mandatory attributes is modified within a confederation.

Answer(s): C



Click the exhibit.


Which of the following is a valid BGP configuration for router R2?

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

Answer(s): A



Click the exhibit.


Routers C and E are route reflectors. When the update for prefix 192.168.2.0/24 is received at router F, what will be the Originator_ID attribute?

  1. The router ID of router
  2. The router ID of router
  3. The router ID of router
  4. It will not be set.

Answer(s): B



Click the exhibit.



Routers RR1 are RR2 are redundant route reflectors for clients R3 and R4. Which of the following is a valid configuration on router R3?

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

Answer(s): C



Which of the following regarding BGP confederations is FALSE?

  1. A confederation is a collection of Autonomous Systems advertised as a single AS number to BGP speakers outside the confederation.
  2. Each member AS must either maintain a full mesh of iBGP sessions, or use route reflection.
  3. Confederations can be used to subdivide ASs that have a large number of BGP speakers into smaller domains.
  4. A full mesh of intra-confederation eBGP sessions is required between the member ASs.

Answer(s): D



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