UPSC Prelims 2011·GS1·science-and-technology·it and communication

What is “Virtual Private Network”?

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Last updated 23 May 2026, 3:31 pm IST
  1. AIt is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization.
  2. BIt is a computer network across a public internet that provides users access to their organization’s network while maintaining the security of the information transmitted.Correct
  3. CIt is a computer network in which users can access a shared pool of computing resources through a service provider.
  4. DNone of the statements (a), (b) and (c) given above is a correct description of Virtual Private Network

Explanation

A Virtual Private Network is a technology that creates a secure and encrypted tunnel over a public network, typically the internet. It allows users to send and receive data as if their computing devices were directly connected to a private network. Option B is correct because it accurately identifies that a VPN operates across a public internet to provide secure access to a specific organization's network. While option A sounds similar, it describes a local private network rather than the method of using public infrastructure to create that private connection. Option C refers to cloud computing rather than a VPN. Therefore, the defining characteristic of a VPN is the use of public infrastructure to maintain a secure, private communication channel.
science-and-technology: What is “Virtual Private Network”?
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