Hosts A through J have been connected to a switch for some time, with each device connected to a matching port—Host A is on port 1, Host B on port 2, and so on. A user moves his system and connects...

Hosts A through J have been connected to a switch for some time, with each device connected to a matching port—Host A is on port 1, Host B on port 2, and so on. A user moves his system and connects Host A to interface 12. Immediately after the connection, Host A sends a unicast message to Host B. Which of the following are true?

A. When the frame enters the switch, it is flooded to all interfaces.

B. When the frame enters the switch, it is sent directly to interface 2, and no other.

C. After this unicast message is sent, frames addressed to Host A will continue to be sent to interface 1.

D. After this unicast message is sent, frames addressed to Host A will be sent to interface 12.