Overview of LANs The term Ethernet refers to a family of LAN standards that define physical and data-link layers of the world’s most popular wired LAN technology. The cabling, the connectors of the cables, the protocol rules, to create an Ethernet LAN.
TCP/IP Networking Model A set of protocols, physical requirements, and logical rules that devices must follow to communicate with other network devices.
What is a network? A computer network is two or more computers to share resources. A network is a collection of computers, servers, network devices, peripherals, or other devices connected to one another to allow the sharing of data.