Classify network in the basis of size.

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The size of a network should be expressed by the geographic area and number of computers, which are a part of their networks. It includes devices housed in a single room to millions of devices spread across the world. Following are the popular types of Computer Network acording to size:

  • PAN (Personal Area Network)
  • LAN (Local Area Network)
  • MAN (Metropolitan Area Network)
  • WAN (Wide Area Network)

1. Personal Area Network:

PAN (Personal Area Network) is a computer network formed around a person. It generally consists of a computer, mobile, or personal digital assistant. PAN can be used for establishing communication among these personal devices for connecting to a digital network and the internet.

Characteristics:

  • It is mostly personal devices network equipped within a limited area.
  • Allows you to handle the interconnection of IT devices at the surrounding of a single user.
  • PAN includes mobile devices, tablet, and laptop.
  • It can be wirelessly connected to the internet called WPAN.
  • Appliances use for PAN: cordless mice, keyboards, and Bluetooth systems.

2. Local Area Network:

Local Area Network (LAN) is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building. It is a widely useful network for sharing resources like files, printers, games, and other application.

Characteristics:

  • It is a private network, so an outside regulatory body never controls it.
  • LAN operates at a relatively higher speed compared to other WAN systems.
  • There are various kinds of media access control methods like token ring and ethernet.

3. Wide Area Network:

WAN (Wide Area Network) is another important computer network that which is spread across a large geographical area. WAN network system could be a connection of a LAN which connects with other LAN’s using telephone lines and radio waves. It is mostly limited to an enterprise or an organization.

Characteristics:

  • The software files will be shared among all the users; therefore, all can access to the latest files.
  • Any organization can form its global integrated network using WAN.

4. Metropolitan Area Network:

Metropolitan Area Network or MAN is consisting of a computer network across an entire city, college campus, or a small region. This type of network is large than a LAN, which is mostly limited to a single building or site.

Characteristics:

  • It mostly covers towns and cities in a maximum 50 km range
  • Mostly used medium is optical fibers, cables
  • Data rates adequate for distributed computing applications.

 

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