56、what does reverse path forwarding ensure in a multicast network?
IT ENSURES THAT ANY MULTICAST HOST CAN RECEIVE THE MULTICAST STREAM.
IT ENSURES THAT THE SOURCE OF THE MULTICAST CAN FORWARD THE MULTICAST STREAM.
IT ENSURES A LOOP-FREE MULTICAST NETWORK.
IT ENSURES THAT MULTICAST HOSTS CAN JOIN THE INTENDED MULTICAST GROUPS.
