Which of the following is the LEAST user accepted biometric device?

The correct answer is C. Retina scan. The biometric device that is least user accepted is the retina scan, where a system scans the blood-vessel pattern on the backside of the eyeball. When using this device, an individual has to place their eye up to a device, and may require a puff of air to be blown into the eye.

Submitted by yasin.bd· Apr 18, 2026Access Controls

Question

Options

AFingerprint
BIris scan
CRetina scan
DVoice verification

How the community answered

(62 responses)

A
5% (3)
B
3% (2)
C
90% (56)
D
2% (1)

Explanation

The biometric device that is least user accepted is the retina scan, where a system scans the blood-vessel pattern on the backside of the eyeball. When using this device, an individual has to place their eye up to a device, and may require a puff of air to be blown into the eye. The iris scan only needs for an individual to glance at a camera that could be placed above a door.

Topics

#Biometrics#Authentication factors#User acceptance#Access control systems

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