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Which statements are true regarding ISDN channels?()

A. Each B channel can transmit up to 64 kbps

B. The ISDN B channel carries voice or data

C. The ISDN D channel transmits control information.

D. The D channel transmission rate varies depending on the service used.

E. HDLC or PPP can be used to encapsulate D channel information.


参考答案

更多 “ Which statements are true regarding ISDN channels?() A. Each B channel can transmit up to 64 kbpsB. The ISDN B channel carries voice or dataC. The ISDN D channel transmits control information.D. The D channel transmission rate varies depending on the service used.E. HDLC or PPP can be used to encapsulate D channel information. ” 相关考题
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