Question
In India, the term “Public Key Infrastructure” is used in the context of
(a) Digital security infrastructure
(b) Food security infrastructure
(c) Health care and education infrastructure
(d) Telecommunication and transportation infrastructure
Answer:
A
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Explanation:
PKI is a technology that verifies device and user authenticity in the digital world. It involves trusted parties digitally signing documents to certify the association between cryptographic keys and individuals/devices. Private keys decrypt messages, while public keys encrypt them. PKI manages keys through digital certificates, confirming private key ownership. SSL certificates on websites exemplify PKI's common usage.