What is two-factor authentication (2FA)?

A. A cybersecurity attack एक साइबर सुरक्षा हमला

B. A social engineering tactic एक सोशल इंजीनियरिंग रणनीति

C. A security mechanism that requires users to provide two forms of identification to access an account or system एक सुरक्षा तंत्र जिसके लिए उपयोगकर्ताओं को किसी खाते या सिस्टम तक पहुंचने के लिए दो प्रकार की पहचान प्रदान करने की आवश्यकता होती है

D. A programming language एक प्रोग्रामिंग भाषा

Correct Answer is :

C. A security mechanism that requires users to provide two forms of identification to access an account or system

Explanation

Two-factor authentication (2FA) is a security mechanism that requires users to provide two forms of identification, typically something they know (e.g., a password) and something they have (e.g., a smartphone or token), to access an account or system.