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The Differences Between LAN(Local Are Network) and WAN(Wide

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on 25 September 2013

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Transcript of The Differences Between LAN(Local Are Network) and WAN(Wide

The Differences Between LAN(Local Are Network) and WAN(Wide Area Network)
Confined to a small area.
LAN's are usually located in a single building.
These use cable's, wireless, infrared and microwave links, that are usually owned by the organization.
These are cheap to build and also cheap to run.
Wan(Wide Area Network)
Another difference between LAN and WAN, is the speed of the network. The maximum speed of a LAN can be 1000 megabytes per second, while the speed of a WAN can go up to 150 megabytes per second. This means the speed of a WAN, is one-tenth of the speed of a LAN. A WAN is usually slower because it has lower bandwidth.

LAN(Local Area Network)
WAN's cover a wide geographical area(e.g. between cities and countries and even continents!
Usually in lots of different buildings, cities , countries, e.t.c.
WAN's use more expensive telecommunication.
They are expensive to build and expensive to run.
The Speed Difference
LAN (Local Area Network)
-Is a network that's usually within an area of 1km.
-Privately owned N/Ws
-Widely used to connect PCs & workstations in offices & factories to share resources & exchange info
-They are distinguished from other kinds of N/Ws by 3 characteristics: size, transmission technology & topology.
-Often use transmission technology consisting of a single cable to which all machines are attached.
-Have speeds of up to 100mbps

MAN (Metropolitan Area N/W)
-Is simply a larger version of LAN & can be within a city/upto an area of 10kms.
-Might cover a group of nearby corporate offices & might be private/public.
-Can support both data & voice & might even be related to the local cable TV N/W

WAN (Wide Area N/W)
-Spans a large geographical area, often a country/continent.
-The Internet is a WAN
-A WAN contains a collection of machines intended for running user programs
-Transmission speed is low & error rate is high
-Connected using telephone cables/satellites
-Are public
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