In biometrics, "one-to-many" search against database of stored biometric images is done in:

The correct answer is B. Identification. Biometric identification is a one-to-many process: a captured biometric sample is compared against an entire database of stored records to determine who a person is, without any prior identity claim. In contrast, authentication (verification) is a one-to-one process - a user…

Submitted by daniela_cl· Apr 18, 2026Access Controls

Question

In biometrics, "one-to-many" search against database of stored biometric images is done in:

Options

AAuthentication
BIdentification
CIdentities
DIdentity-based access control

How the community answered

(46 responses)

A
2% (1)
B
96% (44)
D
2% (1)

Explanation

Biometric identification is a one-to-many process: a captured biometric sample is compared against an entire database of stored records to determine who a person is, without any prior identity claim. In contrast, authentication (verification) is a one-to-one process - a user claims an identity and the system verifies that claim by comparing the sample only against that specific stored template. Identification is used in scenarios like law enforcement facial recognition, while authentication is used for login systems.

Topics

#Biometrics#Identification#Access Control Mechanisms

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