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Exam SSCP topic 2 question 120 discussion

Actual exam question from ISC's SSCP
Question #: 120
Topic #: 2
[All SSCP Questions]

What can best be defined as the sum of protection mechanisms inside the computer, including hardware, firmware and software?

  • A. Trusted system
  • B. Security kernel
  • C. Trusted computing base
  • D. Security perimeter
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Suggested Answer: C 🗳️
The Trusted Computing Base (TCB) is defined as the total combination of protection mechanisms within a computer system. The TCB includes hardware, software, and firmware. These are part of the TCB because the system is sure that these components will enforce the security policy and not violate it.
The security kernel is made up of hardware, software, and firmware components at fall within the TCB and implements and enforces the reference monitor concept.
Reference:
AIOv4 Security Models and Architecture pgs 268, 273
by xymavu at April 4, 2025, 11:12 p.m.

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