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CompTIA A+ 220-901

Category - Hardware

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Which of the following is an example of biometric authentication on a device?

PIN code
Smart card
Retinal scanner
Card slider

Explanation

Answer: C - A retinal scanner is an example of biometric authentication on a device.

Biometric authentication is more common since they are less vulnerable to hacks. Retinal scanners scan the eye to verify the user’s identity. Another common biometric authentication option is a fingerprint scanner.

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