I'm still not super-clear in my head on the differences between a hub, router and switch and how it relates to the gnomes that live inside of each.

我的脑袋里还是非常地不明白集线器，路由器和交换机之间的区别，并且也不明白他们怎么在里面联系起来的。

youdao

This is typically used to detect network failures (cable, switch, router, and so on) where the processes stay running but the communication between them fails.

这通常用于检测网络故障(电缆、交换机、路由器，等等)，其中进程仍然运行但它们之间的通信失败。

youdao

For example, a router could be shown as three things: a router, a switch, and an access point.

例如，一个路由器可能会显示为以下三个部分：一个路由器、一个开关和一个访问点。

youdao

Dubbed BRCK, the solution is a rugged wireless router that connects to the internet via Ethernet, WiFi, 3G and 4G, and can switch its source on the fly if a connection dies.

ENGADGET