For which of the following reasons could a single server# s NIC transmit packets from multiple MAC address sources?

A.
The server contains several virtual machines and the MAC addresses are from the virtual machines.

B.
The server is hosting a web server and the MAC addresses are from connected browsers.

C.
The server is hosting a VPN concentrator and the MAC addresses are from the connected clients.

D.
The server NIC is starting to fail and should be replaced.