UPSC Prelims 2020·GS1·science-and-technology·it and communication

In India, the term "Public Key Infrastructure" is used in the context of

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Last updated 23 May 2026, 3:31 pm IST
  1. ADigital security infrastructureCorrect
  2. BFood security infrastructure
  3. CHealth care and education infrastructure
  4. DTelecommunication and transportation infrastructure

Explanation

In India, and globally, the term "Public Key Infrastructure" (PKI) is used in the context of **Digital security infrastructure**. PKI is a system of hardware, software, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. These digital certificates bind public keys to identities, making it possible for users to securely exchange information over public networks like the internet. PKI is fundamental for secure online transactions, digital signatures, encryption, and authentication in various digital services, ensuring the integrity and confidentiality of data. It forms a cornerstone of trust in the digital world.
science-and-technology: In India, the term "Public Key Infrastructure" is used in the context of

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