What are the two prerequisites for enabling multicast-only fast reroute (MoFRR) in a network? (Choose two.)
A. There must be an Equal-Cost Multipath (ECMP) topology.
B. IP multicast traffic must use the group address 232.0.0.0/8.
C. PIM-SSM needs to be configured.
D. There must be a valid reverse path back to the multicast source.
