When forwarding a multicast frame, normal behavior for a LAN switch (with IGMP snooping enabled) is to forward the frame as if it were:
A) A unicast frame with a known destination in the forwarding table.
B) A unicast frame with an unknown destination in the forwarding table.
C) A unicast frame with a known source in the forwarding table,
D) A unicast frame with an unknown source in the forwarding table.

Question

Quizplus · Accepted Answer

With IGMP snooping enabled, a LAN switch forwards multicast frames to specific ports that have joined the multicast group, similar to how it handles unicast frames with a known destination.

When Forwarding a Multicast Frame, Normal Behavior for a LAN