A computer network is a network which allows nodes to share resources; in simpler terms, it is a way of connecting different devices that have access to the internet, allowing them to share data and resources. Some examples of computer networks are; LAN, WAN (WLAN), and SAN.
The main difference between these network types is the range of which they span over.
LAN is the abbreviation for local area network. LANs are usually found in places like homes and schools, hence the term “local area.” For LAN, Wi-Fi and Ethernet are the most common technologies used in a LAN network. Wireless LAN networks have become popular within households as you usually have a fast internet connection when connected to the network.
LAN is generally a reliable network type, but, for example if you have a big house, you may have a poor connection in certain parts of the home. But LAN networks are easy to install in the home and work place so they are the most popular network found around the common home.
WAN, or wide area network, is a network which spans over a large geographical distance, for example, a university campus or town or city. These are used to easily send and receive data by teachers, students, companies and even government bodies. The internet itself to some people is considered a WAN. In summary, a WAN is used to send and receive data over long distances, and between different LANs, MANs and other computer network types.
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