Which two MBGP IPv4 sub-AFIs does the JUNOS software support？（）

A.Split horizon.
B.AS confederation sequence.
C.The BFP cluster ID attribute.
D.The BGP originator ID attribute.

A.An open message with the E bit set.
B.An update message with the E bit set.
C.An open message with an end-of-RIB marker.
D.An update message with an end-of-RIB marker.

A.inet.6
B.ipv6.0
C.inet.0
D.inet6.0