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Which of the following is used for modulation and demodulation?

A. modem

B. protocols

C. gateway

D. multiplexer

E. None of the above

Answer: Option A

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Related Questions on Networking Miscellaneous

Error rate is

A. an error-detecting code based on a summation operation performed on the bits to be checked.

B. a check bit appended to an array of binary digits to make the sum of all the binary digits.

C. a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and

D. the ratio of the number of data units in error to the total number of data units

E. None of the above