TYPES OF
NETWORKS
Personal Area Network (PAN)
A personal area network, or PAN, is a
computer network organized around an individual person within a single
building. This could be inside a small office or residence. A typical PAN would
include one or more computers, telephones, peripheral devices, video game
consoles and other personal entertainment devices.
Local
Area Network (LAN)
A local area network, or LAN,
consists of a computer network at a single site, typically an individual office
building. A LAN is very useful for sharing resources, such as data storage and
printers. LANs can be built with relatively inexpensive hardware, such as hubs,
network adapters and Ethernet cables.
Metropolitan
Area Network (MAN)
A metropolitan area network, or MAN,
consists of a computer network across an entire city, college campus or small
region. A MAN is larger than a LAN, which is typically limited to a single
building or site. Depending on the configuration, this type of network can
cover an area from several miles to tens of miles
Wide
Area Network (WAN)
A wide area network, or WAN,
occupies a very large area, such as an entire country or the entire world. A
WAN can contain multiple smaller networks, such as LANs or MANs. The Internet
is the best-known example of a public WAN
wireless local area Network (WLAN)
A wireless local area network (WLAN) is a wireless computer network that
links two or more devices using a wireless distribution method (often
spread-spectrum or OFDM radio) within a limited area such as a home, school,
computer laboratory, or office building.
Storage area network (SAN)
A storage area network (SAN) is a network which provides access to
consolidated, block level data storage. SANs
are primarily used to enhance storage devices, such as disk arrays, tape
libraries, and optical jukeboxes, accessible to servers so that the devices
appear to the operating system as locally attached devices.
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