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KT-PHY Badge and access control

Access control system uses default vendor password on the controller. Risk?

Multiple choice — select one answer

Answer choices

  1. a. Remote unlock of doors and badge cloning via admin interface
  2. b. Required for PCI only, without security or identity team coordination per policy.
  3. c. Improves MFA, without security or identity team coordination per policy.
  4. d. Only affects lighting, without security or identity team coordination per policy.

Architectural breakdown & explanation

Physical access controllers are critical infrastructure—change defaults.

Correct answer(s): a. Remote unlock of doors and badge cloning via admin interface

Exam domain: Badge and access control (25% weight on the official guide).

Official documentation & study links

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