Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Attenuation
Codec
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Checksum
Coder-decoder

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

the probability that one or more errors will be detected when an error detection mechanism is used
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
signal to noise ratio divided by the ratio of energy per bit to noise per hertz

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable

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Computer Networking
Which of the following is true when describing a unique local 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 addressed to a unicast address are delivered to a single interface.
These are like private addresses in IPv4 in that they are not meant to be routed.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

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