authentication

This is the act of proving to some other entity that you are truly who you are representing yourself to be. That is, you’re not pretending to be someone else. “You,” of course, means a computer or IoTThe Internet of Things. A broad term covering many different applications where "things"  are interconnected through the internet. device or any other entity trying to make a 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. connectionThis 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. with another computer or device.