what is computer networking - Wikitechy https://www.wikitechy.com/interview-questions/tag/what-is-computer-networking/ Interview Questions Tue, 09 Aug 2022 10:56:41 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png what is computer networking - Wikitechy https://www.wikitechy.com/interview-questions/tag/what-is-computer-networking/ 32 32 What are the types of networking ? https://www.wikitechy.com/interview-questions/networking/what-are-the-types-of-networking/ https://www.wikitechy.com/interview-questions/networking/what-are-the-types-of-networking/#respond Tue, 09 Aug 2022 10:56:41 +0000 https://www.wikitechy.com/interview-questions/?p=4603
  • Network is a group of computers linked to each other that enables the computer to communicate with another computer and share their data, applications and resources.
  • By their size network can be categorized.
  • Network is mainly consisting of four types, they are
    • LAN- Local Area Network
    • PAN- Personal Area Network
    • MAN- Metropolitan Area Network
    • WAN- Wide Area Network

    • LAN-Local Area Network

    • LAN is a group of computers connected to each other in a small area such as house, office, buildings.
    • Local Area Network is used for connecting two or more personal computers through a communication medium such as coaxial cable, twisted pair, etc.
    • Its cost is less as it is built with inexpensive hardware such as network adapters, hubs, and ethernet cables.
    • In LAN data is transferred at an extremely faster rate and provides higher security.

    PAN-Personal Area Network

    • PAN is a network arranged within an individual person, typically within a range of 10 meters.
    • PAN is used for connecting the computer devices of personal use.
    • Personal computer devices are used to develop the personal area network are the media player, laptop, play stations and mobile phones and it covers an area of 30 feet.

    MAN-Metropolitan Area Network

    • MAN is a network that covers a larger geographic area by interconnecting a different LAN to form a larger network.
    • MAN is used by government agencies to connect to the private industries and citizens.
    • It is higher range than LAN and most widely used protocols are ATM, ADSL, Frame Relay, RS-232, OC-3, etc.

    WAN-Wide Area Network

    • A WAN is a network that extends over a large geographical area such as countries or states.
    • It is not limited to a single location, but it spans over a large geographical area through a fiber optic cable, telephone line or satellite links.
    • It is quite bigger network than the LAN and widely used in the field of education, Business and government.

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