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

1. A. Digital security infrastructure
2. B. Food security infrastructure
3. C. Health care and education infrastructure
4. D. Telecommunication and transportation infrastructure

Answer: A

Explanation

Public Key Infrastructure (PKI) is a technology for authenticating users and devices in the digital world. The basic idea is to have one or more trusted parties digitally sign documents certifying that a particular cryptographic key belongs to a particular user or device. Hence option (a) is the correct answer.