|In a typical home you would have a modem (DSL, Cable, FIOS) to bring in the internet, then you would connect a router which would include a firewall for your protection as well as connections for a few devices and possibly a wireless (as in a wireless router) connection to your devices. For those who use more than a few wired devices, a switch can be added to expand the number of ports for more devices. Devices meaning Computers and other electronics that need an internet connection. Most of us probably use a mixture of wired and wireless devices.|
You have to be a little bit crazy to keep you from going insane.