Figure 2.4 Networking Standards.
2.9.1 Local Area Network LAN
According to Margaret Rouse, TechTarget, local area network LAN is a group of computers and associated devices that share a common communications line or
wireless link to a server. Typically, a LAN encompasses computers and peripherals connected to a server within a small geographic area such as an office building or
home. Computers and other mobile devices can share resources such as a printer or network storage.
Figure 2.5 Local Area Network.
2.9.2 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.
Figure 2.6 Wide Area Network.
2.9.3 Personal Area Network PAN
According Paul Zandbergen, University of British Columbia, Geographic Information Systems, statistics and computer programming states that 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.
Figure 2.7 Personal Area Network.
2.9.4 Metropolitan Area Network MAN
According to Paul Zandbergen, University of British Columbia, Geographic Information Systems, statistics and computer programming, 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. A MAN is often used to connect
several LANs together to form a bigger network. When this type of network is specifically designed for a college campus, it is sometimes referred to as a campus
area network, or CAN.
Figure 2.8 Metropolitan Area Network.
2.9.5 Storage Area Network SAN
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