A secure research lab currently uses fingerprint scanners to control entry to its clean-room area. Staff must wear latex gloves, and management wants to remove any need to touch shared surfaces while keeping a very low false-acceptance rate. Which biometric control should the IT team recommend to best meet these requirements?
Retina scanners read the unique pattern of blood vessels at the back of the eye using a low-power infrared beam. They work without any physical contact, are unaffected by gloves or skin contamination, and provide one of the lowest false-acceptance rates among biometric methods. Palm print and fingerprint scanners generally require a user to touch a sensor, so gloves and hygiene rules remain an obstacle. Voice recognition is contactless but is more susceptible to background noise and typically offers lower accuracy than retinal scanning, making it less suitable for a high-security clean-room.
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Why are retina scanners considered more secure than other biometric methods?
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How does a retina scanner work without requiring physical contact?
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Why is voice recognition less suitable for high-security environments like clean rooms?