In biometric identification systems, at the beginning, it was soon apparent that truly positive identification could only be based on :

The correct answer is B. physical attributes of a person. Early identification systems recognized that attributes like sex (A), age (C), or voice (D) alone are not sufficiently unique or stable enough for reliable positive identification across all individuals. Physical attributes - such as fingerprints, retinal patterns, or facial…

Submitted by tom_us· Apr 18, 2026Access Controls

Question

In biometric identification systems, at the beginning, it was soon apparent that truly positive identification could only be based on :

Options

Asex of a person
Bphysical attributes of a person
Cage of a person
Dvoice of a person

How the community answered

(33 responses)

A
3% (1)
B
94% (31)
C
3% (1)

Explanation

Early identification systems recognized that attributes like sex (A), age (C), or voice (D) alone are not sufficiently unique or stable enough for reliable positive identification across all individuals. Physical attributes - such as fingerprints, retinal patterns, or facial geometry - are unique to an individual and remain relatively stable over time, making them the foundational basis for truly positive biometric identification. This realization drove the development of modern biometrics.

Topics

#Biometric Identification#Authentication Factors#Physical Biometrics#Unique Identifiers

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