Twenty hosts are connected to a hub Host A sends a unicast m

Twenty hosts are connected to a hub. Host A sends a unicast message to Host B. Which of the following is not true?

A. Only Host B opens and processes the message.

B. All hosts receive the message.

C. All hosts open and process the message.

D. The destination address field holds Host B’s MAC address.

Solution

D:The destination address field holds Host B\'S MAC adress because unicast transmission is the sending of messages to a single network destination identified by a unique address.