Which of the following categories of access controls is deployed in the organization to prevent all direct contacts with systems?

Question

Options

• ADetective access control
• BPhysical access control
• CTechnical access control
• DAdministrative access control

• A
  5% (1)
• B
  89% (17)
• D
  5% (1)

Explanation

Physical access control (B) prevents all direct contact with systems by using barriers like locked server rooms, badge readers, mantraps, and security guards - these controls literally stop unauthorized people from physically reaching hardware.

Detective controls (A) are wrong because they identify and record incidents after they occur (think cameras and audit logs) - they don't block contact, they document it.

Technical controls (C) are wrong because they operate logically through software (firewalls, encryption, MFA) - they restrict access over networks and systems but don't prevent someone from physically touching a machine.

Administrative controls (D) are wrong because they are policy-based (acceptable use policies, security training, hiring procedures) - they govern behavior through rules, not physical barriers.

Memory tip: Think "Physical = Physical barrier." If the question mentions direct contact, touching, or entering a location, the answer is Physical. The word "direct" is the key signal - only a locked door can stop someone from directly touching a server.

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