Question: computer networks A client uses UDP to send data to a server. The data are 16 bytes. Calculate the efficiency of this transmission at the

computer networks

A client uses UDP to send data to a server. The data are 16 bytes. Calculate the efficiency of this transmission at the UDP level (ratio of useful bytes to total bytes). UDP and TCP use 1s complement for their checksums. Suppose you have the following three 8-bit bytes: 01010011,01100110,01110100. What is the 1s complement of the sum of these 8-bit bytes? (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.) Show all work. Why is it that UDP takes the 1s complement of the sum; that is, why not just use the sum

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