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

Question

Quizplus · Accepted Answer

The analog telephone system cannot transmit digital data directly. Therefore, to send digital data over this system, a modem is required to convert the digital data into an analog signal that can be transmitted over the telephone line.

To Use the Analog Telephone System for Sending Digital Data,you