Which of the following statements regarding ISDN are correct?()

A . Each ISDN B channel has transmission speeds of up to 64 kbps. B . The ISDN B channel can carry video, voice or data. C . The ISDN B channel transmission rate varies depending on the service used. D . The ISDN D channel transmits control information. E . The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.

时间:2022-11-10 14:40:32 所属题库:CCNA(640-801)题库

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