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