A LAN is a group of computers and network communication devices inter connected with in a geographical limited area, such as a building or industry.


With the help of LAN file and computer equipment can be shared by these connected computers as well as E-mail is exchange LAN are categories by the following.

1. They transfer data at high speed.

2. They exit in a limited geographical area.

3. They are less expensive.

4. Useable by several 100 users at a time.


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