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各种网络各有什么特点?

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正确答案:

局域网的特点有:用于将有限范围内的各种计算机、终端与外部设备互联成网,能提供高 数据传输速率、低误码率的高质量数据传输环境,一般易于建立、维护与扩展。覆盖有限的 地理范围,它适用于公司、机关、校园、工厂等有限范围内的计算机、终端与各类信息处理 设备连网的需求;提供高数据传输速率( 10Mb/s~10Gb/s )、低误码率的高质量数据传输环 境;一般属于一个单位所有,易于建立、维护与扩展。

城域网是介于广域网与局域网之间的一种高速网络;它的目标是要满足几十公里范围内的 大量企业、机关、公司的多个局域网互连的需求;能实现大量用户之间的数据、语音、图形 与视频等多种信息的传输功能;

广域网也称为远程网;覆盖的地理范围从几十公里到几千公里;覆盖一个国家、地区,或 横跨几个洲,形成国际性的远程网络;

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