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Explain the difference between LAN and WAN. What are the use cases for each type of network?

Revati S Misra40217-Apr-2023

Explain the difference between LAN and WAN. What are the use cases for each type of network?

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Updated on 24-Apr-2023
Revati S Misra

Revati S Misra

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Krishnapriya Rajeev

Krishnapriya Rajeev

24-Apr-2023

LAN and WAN are two types of computer networks that are commonly used to connect devices and enable communication and data transfer between them.

LAN (Local Area Network) is a network that connects devices within a limited geographic area, such as a home, office, or school. It typically uses Ethernet cables, Wi-Fi, or other local communication technologies to connect devices to a central router or switch. The main advantages of a LAN are high-speed data transfer and low latency, which makes it suitable for applications that require real-time communication, such as video conferencing, online gaming, and file sharing within a small group of users.

WAN (Wide Area Network) is a network that connects devices over a larger geographic area, such as a city, country, or even the entire globe. It typically uses long-distance communication technologies such as leased lines, satellite links, and the Internet to connect devices. The main advantage of a WAN is its ability to connect devices across large distances, which makes it suitable for applications such as online shopping, online banking, and remote work, where users need to access services and data from different locations.

Some common use cases for a LAN include:

  • Home networks: LANs are commonly used in homes to connect devices such as computers, smartphones, and smart home devices to the internet and each other.
  • Office networks: LANs are used in offices to connect computers, printers, and other devices to a central server, enabling users to share data and resources.
  • Schools and universities: LANs are used in schools and universities to provide internet access and enable communication between students and teachers.

Some common use cases for a WAN include:

  • Online shopping: WANs are used by online shopping platforms to enable users to shop from different locations and access a wide range of products.
  • Banking and finance: WANs are used by banks and financial institutions to provide online banking services to users across different locations.
  • Telecommunications: WANs are used by telecommunications companies to connect users across different cities and countries.

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