Home » Isaca » CISA » Which of the following biometrics has the highest reliability and lowest false-acceptance rate (FAR)?
Which of the following biometrics has the highest reliability and lowest false-acceptance rate (FAR)?
A. Palm scan
B. Face recognition
C. Retina scan
D. Hand geometry
Correct Answer: C
Explanation/Reference:
Retina scan uses optical technology to map the capillary pattern of an eye’s retinA. This is highly reliable and has the lowest false-acceptance rate (FAR) among the current biometric methods. Use of palm scanning entails placing a hand on a scannerwhere a palm’s physical characteristics are captured.
Hand geometry, one of the oldest techniques, measures the physical characteristics of the user’s hands and fingers from a three dimensional perspective. The palm and hand biometric techniques lackuniqueness in the geometry datA. In face biometrics, a reader analyzes the images captured for general facial characteristics. Though considered a natural and friendly biometric, the main disadvantage of face recognition is the lack of uniqueness, which means that people looking alike can fool the device.
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