EC-Council
712-50 · Question #391
Which of the following best describes the sensors designed to project and detect a light beam across an area?
The correct answer is D. Photo electric. https://en.wikipedia.org/wiki/Photoelectric_sensor
Information Security Core Competencies
Question
Which of the following best describes the sensors designed to project and detect a light beam across an area?
Options
- ASmoke
- BThermal
- CAir-aspirating
- DPhoto electric
How the community answered
(35 responses)- A11% (4)
- B6% (2)
- C3% (1)
- D80% (28)
Explanation
Topics
#physical security#photoelectric sensors#perimeter detection#intrusion sensors
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