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Difficulty: EasyPhysical Security Controls

Match each physical security control to its primary protective function.

  • Biometric scannerVerifies user identity by measuring unique physiological features such as fingerprints or iris patterns.
  • Physical port lockPrevents unauthorized physical insertion of external USB drives into workstation ports.
  • Faraday enclosureBlocks external electromagnetic signals and radio frequency emissions from reaching sensitive devices.
  • Smart card readerAuthenticates user identity using an embedded microchip integrated into a physical badge.

Answer

Biometric scanner matches physiological identity verification; Physical port lock matches blocking unauthorized external drive insertion; Faraday enclosure matches blocking electromagnetic and radio frequency signals; Smart card reader matches authenticating badges with embedded microchips.
Each physical security control serves a targeted protective function: Biometric scanners analyze physiological traits (fingerprints, retina); Physical port locks obstruct physical interface ports to prevent unauthorized USB flash drives; Faraday enclosures shield electronics against wireless and RF signals; Smart card readers process credentials stored on badge microchips.

Step-by-Step Solution

1
Identify the primary mechanism of Biometric scanner.
Matches verification of physiological traits such as fingerprints or iris scans.
Biometrics specifically rely on biological measurement.
2
Identify the function of Physical port locks.
Matches preventing unauthorized insertion of USB drives.
Port locks physically obstruct interface slots on workstation hardware.
3
Identify the purpose of Faraday enclosures.
Matches blocking electromagnetic signals and RF emissions.
Faraday shielding creates a conductive cage that attenuates external RF signals.
4
Identify the role of Smart card readers.
Matches authenticating embedded microchips on ID badges.
Smart cards utilize embedded integrated circuits to prove identity.

Key Concept

Physical Security Controls
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Topics

Physical Security Controls

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