什么是路由器： 路由器是使用一种或者更多度量因素的网络设备，它决定网络通信能够 通过的最佳路径。路由器依据网络层信息将数据包从一个网络前向转发 到另一个网络。 路由器的功能： ·隔绝广播，划分广播域 ·通过路由选择算法决定最优路径 ·转发基于三层目的地址的数据包 ·其他功能

联系人：郭先生
联系电话：18971415643《优先》
座机：027-83238871
传真：207-61537051
QQ：810334512《优先》

共享式以太网 共享式以太网的典型代表是使用10Base2/10Base5的总线型网络和以集 线器为核心的星型网络。在使用集线器的以太网中，集线器将很多以太 网设备集中到一台中心设备上，这些设备都连接到集线器中的同一物理 总线结构中。从本质上讲，以集线器为核心的以太网同原先的总线型以 太网无根本区别。

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