When enabling interdomain multicast routing, which two statements are correct? (Choose two.)
A.
Multiprotocol BGP is used instead of PIM SM to build the intradomain and interdomain multicast
distribution trees
B.
Use MSDP to enable the RPs from different domains to exchange information about active
multicast sources
C.
MSDP SA packets are sent between the multiprotocol BGP peers
D.
Noncongruent unicast and multicast topologies can be supported using multiprotocol BGP