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

None of these
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
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

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Computer Networking
In geosynchronous orbit, satellite

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
moves faster than the earth's rotation so that it can cover larger portion of earth.
None of these
moves simultaneously

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Computer Networking
Terminals are used to

communicate management decisions to the physical system
provide information for the manager
None of these
All of these
collect data from the physical system

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Computer Networking
What is the purpose of flow control?

To ensure that data is retransmitted if an acknowledgment is not received.
To reassemble segments in the correct order at the destination device.
To regulate the size of each segment.
To provide a means for the receiver to govern the amount of data sent by the sender.

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