Classification of computer network

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There are several ways to classify computer networks. Here are some common classifications:

1. Local Area Network (LAN): A LAN is a network that covers a small geographical area, such as a single building or a campus. It is typically owned and controlled by a single organization.

2. Wide Area Network (WAN): A WAN covers a large geographical area, usually spanning multiple cities, countries, or even continents. It connects multiple LANs or other networks together, typically using leased telecommunication lines.

3. Metropolitan Area Network (MAN): A MAN is a network that covers a larger geographical area than a LAN but smaller than a WAN. It connects multiple LANs within a city or metropolitan area.

4. Personal Area Network (PAN): A PAN is a network that connects devices in close proximity to an individual, typically using wireless technologies such as Bluetooth.

5. Campus Area Network (CAN): A CAN is a network that connects multiple LANs within a university campus or a large corporate site.

6. Storage Area Network (SAN): A SAN is a specialized network that provides high-speed connectivity between storage devices and servers. It is commonly used in data centers to improve storage performance and scalability.

7. Virtual Private Network (VPN): A VPN is a network that extends a private network across a public network, such as the internet. It is commonly used to create secure connections for remote users or branch offices to access the organization's resources.

8. Internet: The internet is a global network of interconnected networks, allowing computers and devices all over the world to communicate and share information.

These are just a few examples of network classifications, and there can be other types of networks as well depending on specific requirements and technologies involved.