A customer has two sites connected to PE-1 and a third site dual-homed to PE-2 and PE-3. If BGP is used as the PE-CE protocol, what is the total number of BGP and MP-BGP sessions required on PE-1 for a functional VPRN service? Assume that route reflection is not used.

A customer has two sites connected to PE-1 and a third site dual-homed to PE-2 and PE-3. If BGP is used as the PE-CE protocol, what is the total number of BGP and MP-BGP sessions required on PE-1 for a functional VPRN service? Assume that route reflection is not used.
A . 0 BGP and 2 MP-BGP sessions
B. 2 BGP and 0 MP-BGP sessions
C. 2 BGP and 1 MP-BGP sessions
D. 2 BGP and 2 MP-BGP sessions
E. 1 BGP and 2 MP-BGP sessions

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Answer: D