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

signal to noise ratio divided by the ratio of energy per bit to noise per hertz
None of these
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 undetected when an error detection scheme is used
the probability that one or more errors will be detected when an error detection mechanism is used

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Computer Networking
In geosynchronous orbit, satellite

moves faster than the earth's rotation so that it can cover larger portion of earth.
moves simultaneously
None of these
remains in a fixed position so that as earth rotates, it can fully cover the earth
remains in a fixed position related to points on earth

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