A． local area network(LAN)is the communication of a number of computers by(66)connecting to each one in a single location, usually a single floor of a building or all the computers in a small company.

A．line

B．cable

C．copper

D．copper cash

[单选题]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.A．lineB．cableC．copperD．copper cash

[单选题]A local area network(LAN)is the communication of a number of computers by (66) connecting to each one in a single location,usually a single floor of a building or all the computers in a small company.(66) A．lineB．cableC．copperD．copper cash

[单选题]A local area network (LAN) is the communication of a number of computers by

[名词解释] 英译中：Local Area Network

[单选题]英文“local area network”的含义是“（）”。A .广域网B .虚拟专网C .信号网D .局域网

[填空题] 无线局域网（Wireless Local Area Network）是以射频（）通信技术构建的局域网，虽不采用缆线，但也能提供传统有线局域网的所有功能。

[试题]VLAN(Virtual Local Area Network)的中文名为“虚拟局域网”。VLAN是一种将局域网设备从逻辑上划分(不是从物理上划分)成一个个网段，从而实现虚拟工作组的新兴数据交换技术。这一新兴技术主要应用于交换机和路由器中，但主流应用还是在交换机之中。但又不所有交换机都具有此功能，只有VLAN协议的第三层以上交换机才具有此功能。VLAN技术的出现，使得管理员根据实际应用需求，把同一物理局域网内的不同用户逻辑的划分成不同的广播域，每一个VLAN都包含一组有着相同需求的计算机工作站，与

[判断题] VLAN（Virtual Local Area Network）即虚拟局域网是一种通过将局域网内的设备逻辑而不是物理划分成一个个网段从而实现虚拟工作组的技术。A . 正确B . 错误

[填空题] WLAN是Wireless Local Area NetWork的缩写，中文名称为（），指应用无线通信技术将计算机设备互联起来，客户可通过（）、（）、PDA、（）等终端以WLAN随时随地接入互联网和企业网，获取信息、娱乐或进行办公。

[单选题]In most wide area networks, the communication subnet consists of two distinct components：transmission lines andA．networtsB．switching elementsC．computersD．data terminal equipment