Question

Internet access by transmitting digital data over the wires of a local telephone network is provided by _______

(a) leased line

(b) digital subscriber line

(c) digital signal line

(d) digital leased line

This question was addressed to me in homework.

The origin of the question is Internet topic in chapter Wireless LAN’s, Electronic Mail and File Transfer of Computer Network

Answer 1

Right answer is (b) digital subscriber line

Explanation: DSL (Digital Subscriber Line) is the technology designed to use the existing telephone lines to transport high-bandwidth data to service subscribers. DSL was used to allow the early users access to the internet and it provides dedicated, point-to-point, public network access.