Which two features are used to provide high availability multicast?

Which two features are used to provide high availability multicast? (Choose two.)

A.
BFD

B.
NSF/SSO

C.
PIM NSR

D.
PIM triggered join

E.
IGMP triggered report

F.
MSDP

Explanation:
Triggered joins are sent when the primary or the secondary RPF information changes. No
RPF change prunes are sent for MoFRR streams.
mofrr
To perform a fast convergence (multicast-only fast reroute, or MoFRR) of specified
routes/flows when a failure is detected on one of multiple equal-cost paths between the router
and the source, use the mofrr command under PIM configuration mode.
mofrr rib acl_name

no rib acl_name