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A computer network is a collection of communicating computers and other devices, such as printers and smart phones. Today almost all computers are connected ...
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Here are 11 types of networks:

Local area network (LAN) ...
Personal area network (PAN) ...
Wireless local area network (WLAN) ...
Campus area network (CAN) ...
Metropolitan area network (MAN) ...
Wide area network (WAN) ...
Storage area network (SAN) ...
Passive optical local area network (POLAN)
A computer network is a collection of communicating computers and other devices, such as printers and smart phones. Today almost all computers are connected to a computer network, such as the global Internet or an embedded network such as those found in modern cars.
The four types of wireless networks -- wireless LAN, wireless MAN, wireless PAN and wireless WAN -- differ in size, range and connectivity requirements. Wireless technologies have grown in popularity and require the right type of wireless network to support them.
Computer networking refers to interconnected computing devices that can exchange data and share resources with each other. These networked devices use a system of rules, called communications protocols, to transmit information over physical or wireless technologies.
A computer network is a group of two or more computers that are linked together. Networks are usually used to share resources, to exchange files, or to ...
Wikimedia Commons has media related to Computer networking. The main article for this category is Computer network.
Computer network programming involves writing computer programs that enable processes to communicate with each other across a computer network.