问题 单项选择题

A local area network (LAN) is the communication of a number of computers by connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.
A. lineB. cable C. copper D. copper cash

答案

参考答案:B

解析:

[分析]: 一个局域网(LAN)实现在某个单一区域中(通常是某个建筑物中的一层或者是一家小型公司的全部计算机),通过电缆彼此连接的多台计算机之间的数据通信。

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