Is wan a wide area network or a local area network?

wan is a wide area network, and its full English name is Wide Area Network, which refers to a remote network that connects computers in local area networks or metropolitan area networks in different regions for communication.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

Is wan a wide area network or a local area network?

Wide Area Network, the English name is Wide Area Network, abbreviated as WAN, also known as wide area network, external network, and public network. Refers to the remote network that connects computer communications in local area networks or metropolitan area networks in different areas. Usually spans a large physical range, covering a range from tens to thousands of kilometers. It can connect multiple regions, cities and countries, or span several continents and provide long-distance communications, forming an international network. remote network.

WAN is not the same as the Internet.

When the distance exceeds the distance connected by the hub in an area, it must be connected through a router. This type of network is called a wide area network. If there are northern, central, southern and other branches, or even overseas branches, connecting these branches through dedicated lines is called a "wide area network".

The transmission medium of WAN mainly uses telephone lines or optical fibers, and ISP operators connect enterprises. These lines are pre-buried under the road by ISP operators. Because the project is huge, maintenance is difficult, and the bandwidth is It can be guaranteed, so it will be more expensive in terms of cost.

The Internet generally refers to a public wide area network. The cost of a public wide area network will be lower and it is a cheaper online environment. However, compared with a wide area network, it cannot be managed. Bandwidth, using a public online system, the bandwidth of any section cannot be guaranteed.

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