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UDP uses 16-bit checksums for error control. The following three 16-bit words are to be sent from host A to host B: 0111100010101010, 1101100000111100, and

UDP uses 16-bit checksums for error control. The following three 16-bit words are to be sent from host A to host B: 0111100010101010, 1101100000111100, and 0000111001010100. [12]

a) Calculate the checksum that A will send to B?

b) How will B use the checksum to verify integrity of data?

c) Does the method that you suggest detect all one-bit errors? Why?

d) Can it correct one-bit errors? Why?

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