Computer Networking
TCP is:

Connection orientated and unreliable
Connectionless and unreliable
Operates at the Data Link layer
Connection orientated and reliable
None of these

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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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