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Find the checksum byte for the fallowing data words: 10110011, 10101011, 01011010, 11010101

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Find the checksum byte for the fallowing data words: 10110011, 10101011, 01011010, 11010101

(a) 10001101

(b) 01110010

(c) 10110101

(d) 01110010

This question was addressed to me during an interview for a job.

This key question is from Layers topic in chapter Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security

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Best answer
Right choice is (a) 10001101

Best explanation: Do binary addition to compute the result.

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