Which of the following methods of authentication uses finger prints to identify users?
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A. B. C. D.C.
The correct answer is C. Biometrics.
Biometric authentication is a method of identifying and verifying individuals based on unique physical or behavioral characteristics, such as fingerprints, iris scans, voice patterns, or facial recognition. Fingerprints are one of the most commonly used biometric identifiers because they are unique to each person and difficult to forge.
PKI (Public Key Infrastructure) is a security framework that uses digital certificates and cryptographic keys to secure communications and verify the identity of users and devices. It does not involve biometric authentication.
Mutual authentication is a security protocol in which both parties in a communication exchange authenticate each other's identities. This can be achieved through various methods, including digital certificates, passwords, or biometrics. However, the use of biometrics for mutual authentication is not as common as other methods.
Kerberos is a network authentication protocol that uses a trusted third party (a Key Distribution Center) to authenticate users and grant them access to network resources. It does not involve biometric authentication.
In summary, biometric authentication is the method that uses fingerprints to identify users.