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WAN (Wide Area Network)
WAN covers a wide geographical area. In other words, it is a group of computers that are separated
by a large distance and tied together. It links different metropolitans and even countries across
national boundaries. The most popular example of WAN is the Internet: a collection of an infinite
number of computers spread across the world.
LAN LAN LAN LAN
LAN LAN
Wide Area Network
PAN (Personal Area Network)
PAN refers to the privately owned network. Pan is used to establish communication amongst the
computers within the range of 20 to 30 feet. This type of network can be wired or wireless.
Personal Area Network
Info Byte
The concept of a PAN first was introduced by Thomas Zimmerman at M.I.T.'s Media Lab. It
was later supported by IBM's Almaden research lab.
CAN (Campus Area Network)
CAN, also known as Cluster Area Network, connects two or more LANs that are limited to specific
geographical areas. For example, college campus, office building, etc. A campus area network is
larger than LAN since it may span in multiple buildings within a specified area.
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Computer Networking

