difference between Hub, Bridge, Router, Switch

最近在恶补计算机网络的相关知识，本文mark一下Hub, Bridge, Router, Switch的相关笔记。

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1. Hub vs Switch vs Router

仅需观看集线器，交换机和路由器解释 - 有什么区别？，就能明白了。有时候，千言万语，不如一个动画。

2. Hub vs Bridge vs Switch

仅需观看What is difference between Hub, Bridge, Router, Switch，就能明白了。

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参考资料：

1. 集线器，交换机和路由器解释 - 有什么区别？
2. What is difference between Hub, Bridge, Router, Switch