Computer Networking
Which of the following refers to the terms "residual error rate"?

the number of bit errors per twenty four hours of continuous operation on an asynchronous line
signal to noise ratio divided by the ratio of energy per bit to noise per hertz
The probability that one or more errors will be undetected when an error detection scheme is used
None of these
the probability that one or more errors will be detected when an error detection mechanism is used

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Computer Networking
Terminals are required for

None of these
realtime, timesharing, and distributed processing
realtime, timesharing, and message switching
realtime, distributed processing, and manager inquiry
realtime, batch processing, and timesharing

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Computer Networking
The application layer of a network

consists of software being run on the computer connected to the network
All of these
None of these
defines the user's port into the network
establishes, maintains, and terminates virtual circuits

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

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

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