Which of the following best describes the function of a fingerprint scanner?
It stores unlimited passwords for user access control.
It measures a user's typing speed for access control.
It uses facial recognition to authenticate users.
It captures and verifies a person's unique fingerprints for authentication.
A fingerprint scanner captures the unique patterns of an individual's fingerprint for verification purposes. This method provides a secure means of authentication because it is difficult to replicate or forge a person's fingerprint.
Other options might refer to devices that do not provide biometric verification, such as keypad entry, which relies on memorized passwords and is less secure by comparison.
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