Computer Networking

• Network


  It is defined as two or more computers connected to share resources. It refers to any interconnected group or system that shares information.
• PAN

  Personal Are Network
• Personal Are Network


  composed of personal devices like a cellphone and notebook computer, communicating at close range at least about 20-30 feet
• LAN

  Local Are Network
• Local Area Network 


  It is used for workstations, servers, printers, and other devices to communicate and share resources and covers a small local area such as office, home, other building, or small group of building.
• WLAN

  Wireless Local Area Network
• Wireless LAN


  covers a limited geographical are and other places where networking cables are difficult to install, such as outdoors, in public places, and in homes that are not wired for networks.
• CAN

  Campus Area Network
• Campus Area Network 


  A network made up of an interconnection of local area network within a limited geographical area. It is also a form of a metropolitan area network, specific to an academic setting.
• MAN

  Metropolitan Area Network
• Metropolitan Area Network


  A network that can cover a large campus or city.
• WAN

  Wide Area Network
• Wide Area Network

  It is made up of many smaller networks and covers a large geographical area.
• GAN

  Global Area Network
• Global Area Network

  It is no common definition and its specification is in development by several groups.
• VPN

  Virtual Private Network
• Virtual Private Network

  A computer network in which some of the links between nodes are carried by open conncetions or virtual circuits in some larger network instead of by phisical wires.