Question

Which of the following Internet connectivity technologies enables data to be sent over existing copper telephone lines by sending digital pulses in the high-frequency area of telephone wires?

A) integrated services digital network technology
B) digital subscriber line technology
C) dial-up service technology
D) cable modem technology
E) fiber-to-home technology

Answer 1

Answer:

The answer is B. Digital subscriber line technology

Explanation:

Digital subscriber line or DSL technology is used to transmit digital data over telephone wires.

It makes file sharing possible which includes multimedia data (i.e. transfer of pictures and graphics), and also video and audio conferencing.

DSL uses a reliable medium that prevents packet loss and interruptions. It is also fast.