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

Last Updated on April 10, 2022 by Admin 3

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

  • The reference monitor
  • Protection rings
  • A security kernel
  • A protection domain
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.
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 5: Security Architecture and Models (page 194).
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