ISACA Exam Questions

How do modems (modulation/demodulation) function to facilitate analog transmissions to enter a digit

How do modems (modulation/demodulation) function to facilitate analog transmissions to enter a
digital network?

A.
Modems convert analog transmissions to digital, and digital transmission to analog.

B.
Modems encapsulate analog transmissions within digital, and digital transmissions within
analog.

C.
Modems convert digital transmissions to analog, and analog transmissions to digital.

D.
Modems encapsulate digital transmissions within analog, and analog transmissions within
digital.

Explanation:
Modems (modulation/demodulation) convert analog transmissions to digital, and
digital transmissions to analog, and are required for analog transmissions to enter a digital
network.