Computer Networking
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

Forwards the switch to the first available link
Sends back a message to the originating station asking for a name resolution
Drops the frame
Floods the network with the frame looking for the device

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Computer Networking
Modulation is the process of

Multiplexing various signals into high speed line signals
performing data encryption.
converting digital signals to analog signals
converting analog signals to digital signals

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