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计算机网络可分为三类,它们是

单选题
2021-09-06 21:25
A、Internel,、Intran~!t、Extranet.
B、广播式网络、移动网络、点一点式网络
C、X.25、ATM、B-ISDN
D、LAN、MAN、WAN
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正确答案
D

试题解析

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