A very common Layer 1 and 2 standardA way of doing something specific that has been agreed by multiple parties in an official manner. Some "standards" aren't official standards; the best ones have been established in an open fashion, where anyone with an interest can contribute and where large companies can't push little companies around. for wired networkA collection of items like computers, printers, phones, and other electronic items that are connected together by switches and routers. A network allows the connected devices to talk to each other electronically. The internet is an example of an extremely large network. Your home network, if you have one, is an example of a small local network. connectionsThis refers to some kind of electrical connection. It might be through a network cable, a cable connection, a wireless connection, or a phone - just to name some options. The connection might be to the internet or to some other local device..