1.

________ is the mechanism of sending data bits multiple times to ensure consistency.(a) Repetition(b) Duplication(c) Mirroring(d) Redundancy

Answer» Correct option is (a) Repetition

The best I can explain: Repeating data bits multiple times is done to ensure consistency. If the data bit to be sent is a 1, a n=3 repetition code will send 111. If the bits are not the same, an error has occurred.


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