Refer to the exhibit. On the basis of the partial configuration provided in the exhibit, what additional configuration is required to allow the router to properly participate in a PIM sparse-dense mode scenario?
A.
The RP configuration needs to be added for the router to participate in dense mode network areas.
B.
The RP configuration needs to be added for the router to participate in sparse mode network areas.
C.
The PIM dense-mode state, refresh interval needs to be configured.
D.
IGMP needs to be enabled on the router.