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What Is A Computer Network? - Science/Technology - Nairaland

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What Is A Computer Network? by eyangloria19: 7:03pm On Jun 07, 2022
Computer network is a group of computer systems and other computing hardware devices that are linked together through communication channels to facilitate communication and resource-sharing among a wide range of users.

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Uses Of Network

File sharing
Allows several users to share a single hardware device e.g. printer
Allows for sharing of operating system or software on remote system
Facilitate Communication via email, video conferencing, instant messaging e.t.c
Easy access of information among users.
Types Of Network

Local Area Network(LAN): This is the interconnection of computers that are geographically close, i.e., in the same building.

Wide Area Network(WAN): This is the connection of computers which are largely apart via radio or line waves.

Metropolitan Area Network(MAN): It involves connecting computers within the same town or city.

Home Area Network(HAN): A network contained within a user's home that connects a person's digital devices.

Intranet: This is a network that is local to a company(resources can be retrieved by users within the company without having to go outside the company).This may be LANs, private WANs and MANs.

Extranet:This is an extended intranet, where certain internal services are made available to known external users or external business partners at remote locations.

Internet: This is when an unknown external users need to access internal resources in your network. In other words, your company might have a website that sells various products, and you want any external user to be able to access this service.

Virtual Private Network:This is a secured network type. A VPN is used to provide a secure connection across a public network, such as an internet. Extranets typically use a VPN to provide a secure connection between a company and its known external users or offices.

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Re: What Is A Computer Network? by pvpzonevc: 9:25am On Oct 02, 2022
That's useful indeed, thanks! Now can you advise which network is the most preferred one? It's hard to choose

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