A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus, or office building. Ethernet and Wi-Fi are the two most common technologies in use for local area networks.

Computer Network Terms I

A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. The connections between nodes are established using either physically wired, optical, or wireless radio-frequency that may be arranged in various network topologies. The best-known computer network is the Internet.