If a switch receives a frame for an endpoint whose MAC address exists in the MAC address table, how does it process the traffic?

If a switch receives a frame for an endpoint whose MAC address exists in the MAC address table, how does it process the traffic?
A . It will forward the frame back out of the interface that it came in through.
B . It will drop the frame, as it does not know where to forward it.
C . It will be sent to all multicast listeners in hope of finding its destination host.
D . It will forward the frame out of the identified port in the table and filter transmission to all other ports.

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Answer: D