Answer: B Biometric devices are used to maintain physical security. Som

Which of the following procedures can a biometric system
perform?

A. Measure airborne contamination.

B. Provide security over physical access.

C. Monitor temperature and humidity levels.

D. Detect hazardous electromagnetic fields in an area.

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Answer: B

Biometric devices are used to maintain physical security.
Some examples are fingerprint and retina scanners. Airborne
contamination is measured using air-quality monitors.
Temperature and humidity levels and electromagnetic fields
are measured by environmental monitoring devices.

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