Assessment and Evaluation Flashcards
7 cards from real PSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Assessment and Evaluation flashcards as text
In CCTV assessment, the Johnson criteria describe which three levels of visual discrimination?
Answer: Detection, recognition, and identification
Johnson criteria set the resolution needed to detect, recognize, and identify objects or people.
A security professional is asked to compare a $50,000 countermeasure that is expected to cut ALE from $80,000 to $20,000. What is the annual net benefit before ongoing costs?
Answer: $10,000
The $60,000 reduction in ALE minus the $50,000 cost leaves a $10,000 net benefit in the first year.
Which method best evaluates insider threat vulnerability at a facility handling high-value assets?
Answer: Analyzing access privileges, two-person rule enforcement, and paths available to authorized personnel
Insiders already have authorized access, so evaluation looks at how privileges, procedures, and controls could be abused.
When a sensor test shows a probability of detection of 0.90 at a 95% confidence level, what does this mean?
Answer: There is 95% confidence that the true P(D) is at least 0.90
The confidence level shows how sure testers are that actual performance meets or exceeds the stated P(D).
What distinguishes a security audit from a security survey?
Answer: An audit checks compliance with existing policies and standards, while a survey is a broader critical review of the security posture
Audits measure conformance to set criteria, while surveys assess threats, vulnerabilities, and recommendations more broadly.
A gap analysis in a security assessment compares which two things?
Answer: The current security posture and the desired or required state
A gap analysis finds the shortfall between existing protection and the target level of protection.
Which factor most directly lowers the probability of neutralization P(N) during a PPS evaluation?
Answer: Responders outnumbered or outgunned by the adversary force described in the DBT
P(N) depends on how the response force's numbers, training, and equipment compare with the adversary's capabilities.
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