An Ethernet cable lets you physically connect your computer to the internet. Ethernet connections are almost always faster than WiFi connections and are usually more stable. You'll need to connect one ...

I use a simple unmanaged switch to expand my wired Ethernet access without complicating my home network.

Whenever we work on multiple systems, we prefer sending files over the connection. After all being on the same LAN connection makes our work easier, file transfer is what makes our tasks difficult.