Computer Networking
Bulletin board system

None of these
converts analog signals to digital signals
is a modem capable of accepting commands
converts digital signals to analog signals
is a public access message system

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Add the source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame
Discard it and send an error message back to the originating host
Flood the network with the frame

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