Computer Networking
Baseband is

the simultaneous transmission of data to a number of stations
a signal all of whose energy is contained within a finite frequency range
transmission of signals without modulation
All of these
None of these

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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
the probability that one or more errors will be detected when an error detection mechanism is used
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

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