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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