📝 Question
#2666
X.25 Protocol can be carried over _________ channels of a Basic Rate Interface (BRI) Line.
✓
Correct Answer
A. B
💡
Explanation
B channel is the Bearer channel where data and voice communication is carried; D is the Delta channel that carries control and signaling information; and H channel is the High-speed communication channel that is formed by combining multiple Bearer channels. Thus B or D channels of BRI line and B channels of PRI (Primary Rate Interface) line are used for carrying X.25.
⌨️ Press
A
B
C
D
to select