Refer to the exhibit.
The entire contents of the MAC address table are shown. Sales-4 sends a data frame to Sales-1.
What does the switch do as it receives the frame from Sales-4?
A.Perform a lookup in the MAC address table and discard the frame due to a missing entry. B.Insert the source MAC address and port into the forwarding table and forward the frame to Sales-1. C.Map the Layer 2 MAC address to the Layer 3 IP address and forward the frame. D.Flood the frame out of all ports except on the port where Sales-1 is connected.正确答案B
