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

None of these
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 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
the number of bit errors per twenty four hours of continuous operation on an asynchronous line

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Computer Networking
Bandlimited signal is

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

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Computer Networking
Which of the following is true when describing an anycast address?

These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
Packets addressed to a unicast address are delivered to a single interface.
This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.

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