Which three factors should be considered when evaluating physical security systems? (Choose three.)

Question

Options

• AVESD protocols
• BUser friendliness
• CCost of equipment
• DColor of security hardware components
• ELikelihood of locking out legitimate users

• A
  8% (4)
• B
  77% (41)
• C
  2% (1)
• D
  11% (6)
• E
  2% (1)

Explanation

User friendliness (B), cost of equipment (C), and likelihood of locking out legitimate users (E) are the three correct factors because they reflect real-world tradeoffs in deploying security systems: a system must be affordable, usable by authorized personnel, and not create friction that disrupts operations.

Why the distractors are wrong:

• A (VESD protocols) is a fabricated term with no standard meaning in physical security evaluation - treat unfamiliar acronyms in exam questions with suspicion.
• D (Color of security hardware) is irrelevant to a system's effectiveness, cost, or usability - aesthetics don't belong in a security evaluation framework.

Memory tip: Think of the acronym UCL - Usability, Cost, Lockout risk. These three cover the human factor (will people use it correctly?), the financial factor (can we afford it?), and the operational risk factor (could it block the people it's meant to help?). Any answer tied to appearance or nonexistent protocols is a distractor.

Note: The question prompt you shared listed only "B" as the correct answer, but since the question requires three choices, the full correct answer is B, C, and E.

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