Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

widely dispersed terminals and access to international packets switched services
None of these
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
All of these
bursty traffic and low communications intensity

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Computer Networking
Demodulation is the process of

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

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