In the provided basic eBGP example, which AS numbers are used for R1 and R2?

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Multiple Choice

In the provided basic eBGP example, which AS numbers are used for R1 and R2?

Explanation:
In an eBGP setup, the two routers that form the session must sit in different autonomous systems. The basic example assigns R1 to AS 65100 and R2 to AS 65000, so the mapping is R1: 65100, R2: 65000. This aligns with how eBGP is supposed to connect across AS boundaries, using distinct AS numbers for each side. The other mappings would either place both routers in the same AS (which would make it iBGP, not eBGP) or use unrelated numbers that don’t match the given diagram, so they don’t reflect the stated example.

In an eBGP setup, the two routers that form the session must sit in different autonomous systems. The basic example assigns R1 to AS 65100 and R2 to AS 65000, so the mapping is R1: 65100, R2: 65000. This aligns with how eBGP is supposed to connect across AS boundaries, using distinct AS numbers for each side. The other mappings would either place both routers in the same AS (which would make it iBGP, not eBGP) or use unrelated numbers that don’t match the given diagram, so they don’t reflect the stated example.

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