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多选题
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.
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更多 “多选题Which of the following statements regarding ISDN are correct?（）AEach ISDN B channel has transmission speeds of up to 64 kbps.BThe ISDN B channel can carry video, voice or data.CThe ISDN B channel transmission rate varies depending on the service used.DThe ISDN D channel transmits control information.EThe ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.” 相关考题
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