Diane Barrett's Computer Networking Illuminated PDF

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By Diane Barrett

ISBN-10: 0763726761

ISBN-13: 9780763726768

Incorporated are a number of problem workouts, which enable scholars to realize hands-on adventure with networking similar instruments and utilities, and problem eventualities.

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The CRC-16 is able to detect all single, double, and odd numbers of errors, as well as errors with burst less than 16 bits in length. 9984% of other error patterns will be detected. The Ethernet and Token Ring local area network protocols both used a 32-bit CRC. 4 Error Correction Error checking and correcting (ECC), also known as error-correction code, is a more sophisticated form of checking than parity because errors are corrected when they are detected. An error-correcting code is an algorithm for expressing a sequence of numbers such that any occurring errors can be detected and corrected based on the remaining numbers.

Once this is done, the signal is encoded. Encoding is the process of representing the sampled values with a chosen power of 2 depending on the level of accuracy. The number is always a power of 2, for example, 8, 16, 32, or 64. At this point, the pulse code modulator outputs a series of binary numbers. When this string gets to the receiving end of the communications circuit, a pulse code demodulator converts the binary numbers back into pulses having the same quantum levels as those in the modulator.

Once this is done, the signal is encoded. Encoding is the process of representing the sampled values with a chosen power of 2 depending on the level of accuracy. The number is always a power of 2, for example, 8, 16, 32, or 64. At this point, the pulse code modulator outputs a series of binary numbers. When this string gets to the receiving end of the communications circuit, a pulse code demodulator converts the binary numbers back into pulses having the same quantum levels as those in the modulator.

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Computer Networking Illuminated by Diane Barrett


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