In North America, what ISDN connection type used two B channels and one D channel?
A) Basic Rate Interface (BRI)
B) Primary Rate Interface (PRI)
C) Bearer Rate Interface (BRI)
D) Dedicated Rate Interface (DRI)

Question

Quizplus · Accepted Answer

Basic Rate Interface (BRI) uses two B channels and one D channel for a total data rate of 144 kbps. This is the ISDN connection type commonly used in North America for small businesses and residential customers. Option B, C, and D are not correct as they either refer to non-existent ISDN connection types or incorrect names for existing types.

In North America, What ISDN Connection Type Used Two B