A ___________ is/are devices that permit a user to connect to a digital T-carrier service.
A)modem
B)codec
C)CSU/DSU
D)NIC
E)ATM

Question

Quizplus · Accepted Answer

CSU/DSU stands for Channel Service Unit/Data Service Unit, and it is specifically designed to allow users to connect to digital T-carrier services such as T1 or T3 lines. Modem (A) is used to connect to analog lines, codec (B) is used for audio compression and decompression, NIC (D) stands for Network Interface Card used to connect to a network, and ATM (E) stands for Asynchronous Transfer Mode, which is a type of networking technology.

A ___________ Is/are Devices That Permit a User to Connect