To use the analog telephone system for sending digital data, you must also use:
A) coaxial cable.
B) a router.
C) DSL.
D) twisted wire.
E) a modem.

Question

Quizplus · Accepted Answer

To transmit digital data over the analog telephone system, a modem is required to convert the digital signal into an analog signal that can travel over the telephone line. The other options listed (coaxial cable, router, DSL, twisted wire) may be used in other types of data transmission, but are not necessary for sending digital data over the analog telephone system.

To Use the Analog Telephone System for Sending Digital Data