Question

A network technician is documenting how a Layer 2 switch handles a frame whose destination MAC address is not yet in the switch's MAC address table. Which action will the switch take with that frame?

Accepted Answer

Flood the frame out all ports except the one it was received on

Answer

Drop the frame and send an ICMP unreachable message to the source

Answer

Forward the frame only to the default gateway for routing

Answer

Buffer the frame until an ARP reply resolves the destination MAC