A local area network(LAN)is the communication of a number of computers by(68)connecting to each one in a single location, usuall

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问题 A local area network(LAN)is the communication of a number of computers by(68)connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.

选项 A、line
B、cable
C、copper
D、copper cash

答案B

解析 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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