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Question 14 - JN0-363 discussion

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What are three well-known mandatory BGP attributes? (Choose three.)

A.
next hop
Answers
A.
next hop
B.
origin
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B.
origin
C.
community
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C.
community
D.
MED
Answers
D.
MED
E.
AS path
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E.
AS path
Suggested answer: A, B, E

Explanation:

https://www.catchpoint.com/bgp-monitoring/bgp-attributes

BGP Attribute Categories

There are four categories of BGP attributes:

Well-known mandatory:Recognized by all BGP peers, passed to all peers, and present in all Update messages. Well-known mandatory attributes include:- Next-hop- Origin- AS PATH

Well-known discretionary:Recognized by all routers, passed to all peers, and optionally included in the Update message. Well-known discretionary attributes include:- Local Preference- Atomic Aggregate

Optional transitive:Possibly recognized by BGP routers and passed to BGP peers. Optional transitive attributes are marked as partial when not recognized. Optional transitive attributes include:- Aggregator- Community

Optional non-transitive:Possibly recognized by BGP routers but not passed to peers. Optional non-transitive attributes include:- Multi-exit discriminator (MED)- Originator ID- Cluster-ID

asked 18/09/2024
Davide Maranzana
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