Public works posts 'Authorized Personnel Only' signs on a pump-station fence. Which control type best describes the signs by themselves?
Select an answer to reveal the explanation.
Short Explanation
A 'Keep Out' sign is more like a scarecrow than a padlock — it tries to talk people out of trying, but it does not actually bar the gate. That is deterrent territory. Pair signs with real locks and cameras when you need prevention and detection too.
Full Explanation
Deterrent controls discourage unwanted behavior through warning, visibility, or the appearance of consequences without necessarily blocking the action themselves. Signage such as 'Authorized Personnel Only' is a classic deterrent. A lock or fence gate that actually prevents entry would be preventive; cameras or alarms that detect intrusion would be detective; restoration after damage would be corrective. Candidates should not equate every posted notice with a preventive physical barrier.