What is a feature of a dial-up connection?

Information Technology Essentials (ITE)

What is a feature of a dial-up connection?

the use of an analog modem to transmit data over voice telephone lines.
the use of different frequencies to send multiple signals over the same medium.
the use of multiple channels which can carry different types of services.
the use of different frequencies to carry voice and data signals on the copper telephone wire.

Explanation:

Dial-up Internet connections use a modem to send data over analog telephone lines.

Tags: Introduction to Computer Studies