First we tried with a hub and we had a lot of collisions because everybody was doing it a once. When we had the switch only one computer caused the collision. It was cool. There are four rules to Ethernet. OSI has seven layers of tasks that the computer performs before sending the information over a network.
Protocol means a set of rules.
We have to know five of the protocols with in the stack and what they do. HTTP stands for HyperText Transfer Protocol and is used to transfer information over the Internet. FTP stands for File Transfer Protocol and is used to transfer documents between different types of computers. IP stands for Internet Protocol and it is use for addressing information so it can be sent to the proper location. TCP stands for Transmission Control Protocol and it is used to transfer and monitor information between two devices on a network.