Question: This is a six mark question UDP and TCP use 1s complement for their checksums. Suppose you have the following three 8-bit bytes: 01010010, 01100110,

This is a six mark question

UDP and TCP use 1s complement for their checksums. Suppose you have the following three 8-bit bytes: 01010010, 01100110, 01110110. (Note that although UDP and TCP use 16-bit words in computing the checksum, for this problem you are being asked to consider 8-bit sums.)

a) With the 1s complement scheme, how does the receiver detect errors?

b) What is the 1s complement of the sum of these 8-bit bytes? Show your work step by step.

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