What is true about the following configuration in a PE router? Router bgp 21
address-family ipv4 vrf yellow
neighbor 10.3.2.1 remote-as 44
neighbor 10.3.2.1 active
A.
It configures an MP-BGP neighborship to another PE.
B.
It configures an EBGP neighborship to a CE.
C.
It configures an IBGP neighborship with a CE.
D.
It configures an IBGP neighborship to another PE.