Refer to the following exhibit.
PIM is using the unicast table for RPF-check and the interface IGP metrics are shown.
What will happen when Router B receives the multicast packet on its interface facing Router A?
A . Discard the multicast packet as RPF-check fails
B . Forward the multicast packet to Router D (RP) according to its routing table
C . Forward the multicast packet out of all the interfaces in its (*, 239.1.1.1) entry’s outgoing interface list
D . Forward the multicast packet out of all the interfaces in its (192.168.1.1, 239.1.1.1) entry’s outgoing interface list
Answer: A