We set up a local area network at home.

我们在家里设置了一个局域网。

This local area network covers the entire building.

这个局域网覆盖了整个建筑。

Our office uses a local area network to share files.

我们的办公室使用局域网来共享文件。

The coverage area of a metropolitan area network is broader than that of a local area network.

城域网的覆盖范围比局域网更广。

The speed of the local area network is faster than the internet.

局域网的速度比互联网快。

You can connect to the printer through the local area network.

你可以通过局域网连接到打印机。

The metropolitan area network connects multiple local area networks in the city.

城域网连接了多个城市中的局域网。

All our office computers are on a local area network.

我们公司里所有的计算机都在局域网上.

Local-Area Network (LAN) A computer network that spans a relatively small area. Most LANs are confined to a single building or group of buildings.

局域网局域网（LAN）是指覆盖相对较小区域的计算机网络，大多数局域网局限在单一的建筑或建筑群内。

Want what prevent a local area network effectively to monitor, the working principle that needs to be monitored to the local area network above all has certain knowledge.

要有效防止局域网的监听，则首先需要对局域网监听的工作原理有一定的了解。