Refer to the topology and MAC address table shown in the exhibit. 
Host A sends a data frame to host D. What will the switch do when it receives the frame from host
A?
A.
The switch will add the source address and port to the MAC address table and forward the
frame to host D.
B.
The switch will discard the frame and send an error message back to host A.
C.
The switch will flood the frame out of all ports except for port Fa0/3.
D.
The switch will add the destination address of the frame to the MAC address table and forward
the frame to host D.
Explanation: