PrepAway - Latest Free Exam Questions & Answers

Which three statements about an EBGP session or an IBGP session are true? (Choose three)

Which three statements about an EBGP session or an IBGP session are true? (Choose three)

PrepAway - Latest Free Exam Questions & Answers

A.
EBGP uses AS-Path to detect routing information loops.

B.
BGP route selection rules favor IBGP routes over EBGP routes.

C.
No BGP attributes are changed in IBGP updates except for the next-hop attribute if next-hop-self is configured.

D.
Routes learned from an IBGP peer are not advertised to another IBGP peer to prevent routing information loops within the AS.

E.
EBGP uses split horizon to prevent routing information loops; routes learned from an EBGP peer are not advertised to another EBGP peer.

Explanation:

1. A EBGP uses AS-Path to ensure that it is not passing its own route back to itself
2. C No BGP attributes are changed
3. D Router learned via IBGP are not advertised to prevent loops Wrong
1. B IBGP routes have admin distance of 200 and EBGP of 20. 20 is preferred
2. E routes learned from EBGP peers are advertised to other EBGP peers.


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