Local Area Network ( Wan )

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LAN stands for local area network and is normally a group of computers that share a common communications line typically, connected devices share the resources of a single processor or server within a small area such as an office. A LAN may serve as few as two or three users such as in a home network or as many as thousands of users such as a FDDI network.

WAN
A Wide Area Network (WAN) is a communication network made up of computers that are far away from each other. The most common example of a Wan is the Internet although a WAN doesn’t need to be global to qualify as a wide area network.

MAN
A metropolitan area network (MAN) is a network that interconnects users with computer resources in a geographic area or region larger
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The tree allows you to have many servers on the network and you can branch out the network in many ways. This is useful for colleges, universities and schools so that each of the branches can identify the relevant systems in their own network.

Advantages
A Tree Topology is supported by many network vendors and even hardware vendors.
A point to point connection is possible with Tree Networks.
All the computers have access to the larger and their immediate networks.
Best topology for branched out networks.

Disadvantages
The Tree Topology network is reliant on the trunk which is the main backbone of the network. If that has to fail then the entire network would fail.
In a Network Topology the length of the network depends on the type of cable that is being used.

Star Star Topology is the most common type of network topology that is used in homes and offices. In the Star Topology there is a central connection point called the hub which is a computer hub or sometimes just a switch.

Advantages
• A Star Network Topology is very easy to manage because of its simplicity in functionality.
• The problems can be easily located logically in a Star Topology and therefore is easy to troubleshoot also.
• The Star Topology is very simple in format so it is very easy to expand on the Star Topology.

Disadvantages
The Star Topology has to fully rely on the hub and the whole working of the network depends on the hub.
If there are many nodes and the
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