Refer to the exhibit.
Which one of the following descriptions is correct, assuming that all the IGMP join, PIM join and multicast traffic are for the same multicast group?
A . IGMP is enabled on Router A and B’s interfaces facing the switch. PIM is not enabled on Router A and B’s interfaces facing the switch. IGMP snooping is enabled on the switch.
B . IGMP is enabled on Router A and B’s interfaces facing the switch. PIM is not enabled on Router A and B’s interfaces facing the switch. IGMP snooping is not enabled on the switch.
C . IGMP is enabled on Router A and B’s interfaces facing the switch. PIM is enabled on Router A and B’s interfaces facing the switch. IGMP snooping is enabled on the switch.
D . IGMP is enabled on Router A and B’s interfaces facing the switch. PIM is enabled on Router A and B’s interfaces facing the switch. IGMP snooping is not enabled on the switch.
Answer: B