What are two purposes of the 224.0.1.40 address in Auto-RP?()
A.
Configured mapping agents listen to this address.
B.
Mapping agents select RP for a group based on highest IP address of all the group's C-RPs.
C.
RP mapping agent advertises complete list of group-to-RP mappings.
D.
All configured PIM-SM routers listen to this address and learn the correct RP to use for each known group.