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

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

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Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Codec
Coder-decoder
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Checksum
Attenuation

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Computer Networking
Demodulation is a process of

multiplexing various signals into one high speed line signals
converting analog to digital signals
performing data description.
converting digital to analog signals

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