What is the ones complement of the sum of these bytes

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Assignment:

UDP and TCP use one's complement for their checksums. Suppose we have the following 8-bit bytes: 01010011, 01100110, 01110100. (While UDP and TCP use 16-bit words to compute the checksum, this problem only concerns 8-bit bytes.) Answer the following questions:

a. What is the one's complement of the sum of these bytes? Show all your work.

b. Why does UDP use the one's complement of the sum, not the sum?

c. How does the receiver detect errors? Can 1-bit or 2-bit errors go undetected? Explain your answer.

Reference no: EM133543554

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