Which of the following is true regarding standard ISDN BRI
service?
A.) ISDN BRI B channels are typically 64K.
B.) ISDN BRI can handle only voice.
C.) ISDN BRI can handle only data.
D.) ISDN BRI has 2B and 1D channels.
E.) ISDN BRI D channels are 16K.
F.) ISDN BRI can handle voice and data.
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Answer: A D E F
2 64K B channels carry the data.
1 16K D channel is used for control.
Note: In certain parts of the world, it is possible that the 'B'
channels are only 56k each instead of 64k each.
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