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Difficulty: MediumPhysical Security Controls

A field technician is setting up network equipment inside an Intermediate Distribution Frame (IDF) closet located in a public hallway of a multi-tenant facility. Because the closet door must remain unlocked during business hours to comply with local building regulations, the technician needs to secure the physical hardware itself from unauthorized physical extraction and prevent unauthorized Ethernet connections. Which of the following physical security controls should the technician implement?

  1. Install lockable equipment enclosures and physical RJ-45 port locksAnswer
  2. B
    Affix tamper-evident asset tags to the chassis of each network device
  3. C
    Position exterior CCTV cameras to monitor the main entry doors of the building
  4. D
    Attach privacy screens to the management console displays in the closet

Answer

Installing lockable equipment enclosures and physical RJ-45 port locks directly secures the hardware inside the unlocked room from physical theft and blocks unauthorized physical connections.
Lockable rack enclosures prevent unauthorized removal of network switches from the rack frame, and RJ-45 port locks physically restrict insertion of cables into open ports. Together, these measures secure hardware and ports even when the room itself cannot be locked.

Step-by-Step Solution

1
Analyze the physical security threat in the scenario.
The equipment is exposed in an unlocked room where unauthorized individuals could physically steal devices or plug into open network ports.
Identifying the specific threat vector dictates which physical controls are appropriate.
2
Evaluate the controls that prevent physical extraction and unauthorized port access.
Lockable equipment enclosures prevent unauthorized removal of hardware from server racks, and RJ-45 port locks block open ports from unauthorized cable insertion.
These controls provide direct active physical deterrence against theft and unauthorized network connection.

Key Concept

Physical Hardware and Port Security Controls
Estimated Time:1m 0s
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Topics

Physical Security Controls

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