Which statement accurately describes how PIM sparse mode operates?
A . RPs can become bottlenecks, since multicast traffic must always flow through the RP and down the shared tree to get to the receivers.
B . RPs switch each traffic flow to the shortest path tree when more than one receiver is present.
C . If an RP fails and there is no backup RP, new sources that begin sending will not be discovered by the other PIM routers in the network.
D . If an RP fails and there is no backup RP, multicast traffic will cease flowing in the network.
Answer: C