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A ISDN BRI circuit can be described as a which of the following?
A.) 3B channels
B.) 2-64Kbps B channels and 1-16Kbps D channel
C.) none of the above
D.) 2-64Kbps B channels and 1-16Kbps C channel
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Answer / guest
Answer: B
There are two types of ISDN Channels :
BRI (Basic Rate Interface) - is 2 64Kbps B channels for data
and one
16Kbps D channel for link management.
PRI (Primary Rate Interface) - is 23Kbps B channels and 1
64Kbps D channel.
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CCNA 
