Which of the following describes the function of a switch in a network?

Which of the following describes the function of a switch in a network?

A.
Transmits packets it receives to specific connections

B.
Converts a packet for transmission from one network to another network

C.
Determines whether a packet belongs on an internal or external network

D.
Broadcasts packets it receives to all connections

Explanation:

http://en.wikipedia.org/wiki/Network_switch