WAN (wide area network): As the name implies, a WAN connects computers over a wide area, such as from region to region or even continent to continent. WLAN (wireless local area network): A WLAN is just like a LAN but connections between devices on the network are made wirelessly. Typically, LANs are privately owned and managed. For example, a LAN may connect all the computers in an office building, school, or hospital. LAN (local area network): A LAN connects computers over a relatively short distance, allowing them to share data, files, and resources. Here are the most common and widely used computer network types: Computer network typesĪs networking needs evolved, so did the computer network types that serve those needs. The internet, online search, email, audio and video sharing, online commerce, live-streaming, and social networks all exist because of computer networks. You can further define a computer network by the protocols it uses to communicate, the physical arrangement of its components, how it controls traffic, and its purpose.Ĭomputer networks enable communication for every business, entertainment, and research purpose. The internet is the largest example of a WAN, connecting billions of computers worldwide. For example, a LAN (local area network) connects computers in a defined physical space, like an office building, whereas a WAN (wide area network) can connect computers across continents. Geographic location often defines a computer network. You build a computer network using hardware (e.g., routers, switches, access points, and cables) and software (e.g., operating systems or business applications).
What is a computer network?Ī computer network comprises two or more computers that are connected-either by cables (wired) or WiFi (wireless)-with the purpose of transmitting, exchanging, or sharing data and resources.
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In this introduction to networking, learn how computer networks work, the architecture used to design networks, and how to keep them secure.
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