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Classifications of Network (Local Area Network (LAN) (Wireless LAN (A…
Classifications of Network
Local Area Network (LAN)
a network that connects computers and
devices in a small area such as a home, school
computer lab, office building or closely
located buildings
Typically owned by a single organization, such
as school, college, university or company.
LAN is used to link computers and to share
expensive devices such as laser printer and file
server.
the nodes are connected via cables.
A network which consists of less than 500
interconnected devices across several
buildings, is still recognized as a LAN.
Example of LAN:
A network that connects computers on three
floors in an office building.
Wireless LAN
A wireless LAN (WLAN) is LAN that uses radio
signals to connect computers and other
devices.
Computers and devices that access wireless
LAN must have built-in wireless capabilities.
All communications pass through the
network’s centrally located Wireless Access
Point (or WAP).
Computers and mobile devices on a wireless
LAN often communicate with a wired LAN to
access its software, printer, the Internet, and
other resources.
Metropolitan Area Network (MAN)
MAN is a high-speed network that connects
local area networks (LAN) in a metropolitan
area such as a city or town.
managed by a consortium of users or
by a single network provider that sells the
service to the users.
Example of MAN
Traffic light system in a city
Wide Area Network (WAN)
WAN is a network that covers a large area
such as a country or the world.
Involve many types of transmission media
such as telephone lines, cables, or radio
waves.
can be one large network or can
consist of one or more LANs connected
together.
owned by a group of organizations
including network service providers which
provides network services.
Business and government entities use WAN to
relay data among employees, clients, buyers,
and suppliers from various geographical
locations
Example of WAN
The Internet (the biggest WAN)