COGNITIVE ASSESSMENT Which of the Following Best Describes DSL Connections

COGNITIVE ASSESSMENT Which of the following best describes DSL connections?

A) transmits at fast speeds on existing standard copper telephone wiring; popular for small business or home user
B) uses long-distance digital telephone lines to carry multiple signals over a single line; only medium to large companies can afford them
C) uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical, permanent location
D) a service that carries voice, data, video, and multimedia at a high speed; used by telephone networks and the Internet