In Part 1 of this tutorial series, we configured Windows to accept remote desktop connections, so we can log into and use a PC anywhere in the World with Microsoft’s Remote Desktop Connection client ...

Routers and network switches aren't the same hardware—depending on your setup, you may need both.

You can do tons of stuff with a computer that most hardware NAT-routers cannot do, like having firewall software run on it, provide services (print (I know the SMC routers also have this), file, proxy ...