Which two functions are supported for BGP extension MP-BGP for IP multicasting? (Choose two.)
A. A network can support incongruent unicast and multicast topologies.
B. A network can support congruent unicast and multicast topologies.
C. MP-BGP is an enhanced BGP that carries routing information for multiple network layer protocols and IP multicast routes.
D. MP-BGP carries single sets of routes for unicast routing and multicast routing.
E. MP-BGP is useful when a link dedicated to multicast and unicast traffic is desired.
