Computer Networking
If one link fails, only that link is affected. All other links remain active. Which topology does this?

Bus topology
Physical topology
Mesh topology
Star topology

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

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