试题详情
- 多项选择题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.
- A,B,D
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