The ____ is a physical interface between a network device,such as a router,and a T-carrier line.
A)intelligent adapter
B)channel service unit
C)terminal adapter
D)data service unit

Question

Quizplus · Accepted Answer

A Channel Service Unit (CSU) is a physical interface between a network device, such as a router, and a T-carrier line. It is responsible for maintaining the quality of the connection and for providing an interface for testing the line. The other choices are not specifically designed for this purpose.

The ____ Is a Physical Interface Between a Network Device,such