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一局域网1、什么是局域网局域网(LAN,Local Area Network)与广域网(WAN,Wide Area Network)的区别在于局域网是在一定地域范围内实现的数据通讯网,可以是一间房间、一个楼层、一幢大楼或较近距离的几幢大楼。它有以下特征:在一定地域范围有较高的传输速率,一般为10Mbps～1000Mbps在企业内部使用,一般不涉及公共传输介质,但反之企业内部网不一定是局域网,一个跨地域大企业的网络一般是以局城网(公司总部)为中心的广域网。2、几种主要的网络拓扑结构
A LAN 1, what is LAN (Local Area Network) and wide area network (WAN, Wide Area Network) The difference is that the LAN is in a certain geographical area of the data communication network can be a room, a floor, a Building or a few buildings in close proximity. It has the following characteristics: In a certain geographical area has a higher transfer rate, usually 10Mbps ~ 1000Mbps internal use in the enterprise, generally do not involve the public transmission medium, but on the contrary the intranet is not necessarily a local area network, a cross-regional network of large enterprises General Bureau City Network (company headquarters) as the center of the wide area network. 2, several major network topology