Which of the following regarding BGP sessions in AS 65540 is TRUE?

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Routers RR1 and RR2are route reflectors with clients R1x and R2x, respectively. Routers RR1 and RR2 are non-clients of each other, and router R1 is a non-client of both.

Which of the following regarding BGP sessions in AS 65540 is TRUE?
A . Router R1must have at least one BGP session to each of routers R1x and R2x.
B . Routers R1, RR1 and RR2 must be fully meshed.
C . Routers R1x and R2x must have at least one BGP session between them.
D . Routers R1x as well as routers R2x must be fully meshed.

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Answer: B