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

Coder-decoder
Attenuation
Checksum
Codec
None of these

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Computer Networking
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is

All of these
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
None of these
the method of determining which device has access to the transmission medium at any time.
a medium access control technique for multiple access transmission media

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