Computer Networking
Demodulation is the process of

dividing the high-speed signals into frequency bands
converting digital signals to analog signals
combining many low speed channels into one high speed channel
None of these
converting analog signals to digital signals

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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?

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

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