Computer Networking
Demodulation is the process of

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

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

a very common bit-oriented data link protocol issued by ISO.
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
a method access control technique for multiple-access transmission media.
None of these

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