LO 3: Distinguish between types of
networks
There are different categories of
network including local-area network (LAN), metropolitan-area network (MAN) and
wide-area network (WAN). A LAN is a network that connects computers and devices
in a limited geographical area such as a single floor in a building or within a
single building. LAN covers a short distance only. MAN is designed to extend
over an entire city. MAN maybe a single network, or connecting a number of LANs
into a larger network. It can be owned by a private company or public company,
such as a local telephone company. WAN provides long distance transmission of
data, voice, video, image, over large geographical areas such as country,
continent or the whole world. WANS is usually in combination of public, leased
or provide communication devices. WAN which wholly owned by a single company is
often referred to as an enterprise network.
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