SSCP · Question #907
Which of the following biometric characteristics cannot be used to uniquely authenticate an individual's identity?
The correct answer is D. Skin scans. Retina scans read the unique pattern of blood vessels at the back of the eye. Iris scans read the unique colored ring pattern around the pupil. Palm scans read the unique vein patterns or ridge geometry of the hand. All three are stable over a person's lifetime and highly…
Question
Options
- ARetina scans
- BIris scans
- CPalm scans
- DSkin scans
How the community answered
(47 responses)- A2% (1)
- B4% (2)
- C2% (1)
- D91% (43)
Explanation
Retina scans read the unique pattern of blood vessels at the back of the eye. Iris scans read the unique colored ring pattern around the pupil. Palm scans read the unique vein patterns or ridge geometry of the hand. All three are stable over a person's lifetime and highly unique. Skin scans have no standardized biometric meaning - skin texture, tone, and condition change with age, injury, sun exposure, and disease, and do not provide a sufficiently unique or stable identifier for reliable authentication.
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