MULTIMEDIA AND QUALITY OF SERVICE
COMPRESSION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Data compression is done with the intension of decreasing the size of data, while encryption is done to keep the data secret from third parties. Encrypted data cannot be decrypted easily. It requires the possession of a special piece of information called a key.
Detailed explanation-2: -Wikipedia’s definition: In cryptography, encryption is the process of encoding messages or information in such a way that only authorized parties can read it. Compression. Compression algorithms are techniques that exploit redundancy in data to reduce the size of the data representation.
Detailed explanation-3: -When you use COMPRESS=BINARY, patterns of multiple characters across the entire observation are compressed. Binary compression uses two techniques at the same time. This option searches for the following: Repeating byte sequences (for example, 10 blank spaces or 10 zero bytes in a row)