On an ISDN BRI interface, the control channel is the 'D'
channel.
What is the rate of this channel?
A.) 64 Kbps
B.) 1.544 Mbps
C.) 128 Kbps
D.) 2.048 Mbps
E.) 16 Kbps
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Answer: E
16K for the D channel (control)
64K for the two B channels (data)
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Answer / m haja bahurudeen
Ans : E) 16 Kbps
ISDN BRI interface
2B (Barrier channel) - 2*64 Kbps
1D (Data channel) - 1*16 Kbps
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