DO You Know Networks Types & Its Hide Benefits?

Networks, which consists of various combinations of computers, storage devices, and communications devices, may be divided into three main categories:

·       Wide Area Network:

A Wide Area Network (WAN) is a communications network that covers a wide geographical area, such as a country or the world. Most long distance and regional Bell telephone companies are WANs.

·       Metropolitan Area Network:

A Metropolitan Area Network (MAN) is a communications network covering a city or suburb. Many cellular phone systems are MANs.

·       Local Area Network:

A Local Area Network (LAN) connects computer and devices in a limited geographical area, such as one office, one building, or a group of buildings close together. A small LAN in a modest office, or even in a home.

Benefits of Networks:

People and organizational use computers in networks for several reasons. These include the following:

·       Sharing of peripheral devices:

Peripheral devices such as laser printers, disk drives, and scanners are often quite expensive. Usually, the best way to do this is to connect the peripheral to a network serving several computer users.

·       Sharing of programs and data:

In the most organizations, people use the same software and need access to the same information. It is less expensive for a company to buy separate word processing program that serves many employees than to buy a separate word processing program for each employee.

Finally, network-linked employees can more easily work together online on shared projects.

·       Better communications:

One of the greatest features of the network is electronic mail. With e-mail, everyone on a network can easily keep on other posted about important information.

·       Security of information:

If the employee is dismissed—or if a fire or flood demolished the office—the company would lose that information. Today such data would be backed up or duplicated on a network storage device shared by others.

·       Access to database:

Networks enable users to tap into numerous databases, whether private company database or public databases are available online through the internet.

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