What of the following actions can enable fast failure detection on multicast networks?

exams H12-891_V1.0-ENU V2 H12-891_V1.0-ENU exam 0 Comments

What of the following actions can enable fast failure detection on multicast networks?
A . Shorten the Holdtime of Join/Prune messages
B. Reduce the interval at which the interface sends Hello messages
C. A PIM BFD session is established between neighbors
D. Reduce the interval between sending Join/Prune messages

Answer: B