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SSCP · Question #325

What is defined as the hardware, firmware and software elements of a trusted computing base that implement the reference monitor concept?

The correct answer is C. A security kernel. A security kernel is defined as the hardware, firmware and software elements of a trusted computing base that implement the reference monitor concept. A reference monitor is a system component that enforces access controls on an object. A protection domain consists of the…

Submitted by emma.c· Apr 18, 2026Security Concepts and Practices

Question

What is defined as the hardware, firmware and software elements of a trusted computing base that implement the reference monitor concept?

Options

  • AThe reference monitor
  • BProtection rings
  • CA security kernel
  • DA protection domain

How the community answered

(44 responses)
  • A
    2% (1)
  • B
    2% (1)
  • C
    89% (39)
  • D
    7% (3)

Explanation

A security kernel is defined as the hardware, firmware and software elements of a trusted computing base that implement the reference monitor concept. A reference monitor is a system component that enforces access controls on an object. A protection domain consists of the execution and memory space assigned to each process. The use of protection rings is a scheme that supports multiple protection domains.

Topics

#Security Kernel#Trusted Computing Base (TCB)#Reference Monitor#Operating System Security

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