ISDN有（）之分。 A: N-ISDN B: M-ISDN C: B-ISDN D: E-ISDN

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公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！

2022-05-30 问题

ISDN有（）之分。 A: N-ISDN B: M-ISDN C: B-ISDN D: E-ISDN

2021-04-14 问题

用ISDN

2021-04-14 问题

【单选题】97:The difference between the mobile ISDN and MPDS isthat A. the mobile ISDN is charged by connection time and MPDS is charged by lVlbits transferred B. the mobile ISDN is charged by Mbits transferred and MPDS is charged by connection time C. there is no difference between the mobile ISDN and MPDS D. the communication fee of the mobile ISDN is inexpensive than that of MPDS

【单选题】97:The difference between the mobile ISDN and MPDS isthat A. the mobile ISDN is charged by connection time and MPDS is charged by lVlbits transferred B. the mobile ISDN is charged by Mbits transferred and MPDS is charged by connection time C. there is no difference between the mobile ISDN and MPDS D. the communication fee of the mobile ISDN is inexpensive than that of MPDS

2021-04-14 问题

中国大学MOOC: （）将信息从非ISDN格式转换为ISDN格式。

2021-04-14 问题

英文ISDN表示_________。

2022-05-30 问题

什么是ISDN？

2022-07-01 问题

‎目前普通家庭连接因特网，通过以下设备可以实现上网漫游，按传输速率（由低到高）顺序为‏ A: FDDI、ADSL、ISDN、调制解调器 B: 调制解调器、ADSL 、FDDI 、ISDN C: 调制解调器、ISDN、ADSL、FDDI D: 调制解调器、ISDN、FDDI 、ADSL

‎目前普通家庭连接因特网，通过以下设备可以实现上网漫游，按传输速率（由低到高）顺序为‏ A: FDDI、ADSL、ISDN、调制解调器 B: 调制解调器、ADSL 、FDDI 、ISDN C: 调制解调器、ISDN、ADSL、FDDI D: 调制解调器、ISDN、FDDI 、ADSL

2022-05-30 问题