フリー問題

問題文

A switch receives a frame whose destination MAC address is not present in its bridge table. The frame arrived on an access interface that belongs to one VLAN. How does the switch treat that frame?

選択肢

1. The switch handles it with unknown unicast flooding inside that broadcast domain.
2. The switch handles it with static entry insertion inside that broadcast domain.
3. The switch handles it with reverse path checking inside that broadcast domain.
4. The switch handles it with immediate frame drop inside that broadcast domain.