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ISC2 CC Practice Question: A company's security policy mandates that all…
A company's security policy mandates that all changes to the firewall configuration must be approved by two different administrators before implementation. This is an example of which security principle?
⚠ Common exam trap
ISC2 often tests separation of duties by presenting scenarios that involve dual approval or task division, and the trap here is confusing it with least privilege, as both limit individual power but least privilege focuses on permissions scope rather than collaborative authorization.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Separation of duties
The requirement for two different administrators to approve firewall configuration changes enforces separation of duties. This principle ensures that no single individual has the authority to make unilateral changes, reducing the risk of unauthorized or malicious modifications. In firewall management, this prevents a single admin from bypassing security controls or introducing backdoors without oversight.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Defense in depth
Why it's wrong here
Defense in depth involves multiple security controls, not necessarily split approval.
- ✗
Need to know
Why it's wrong here
Need to know restricts access to information, not actions.
- ✓
Separation of duties
Why this is correct
Requiring two administrators for approval is a classic example of separation of duties.
- ✗
Least privilege
Why it's wrong here
Least privilege would limit administrators' permissions, not require dual approval.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Risk
Risk is the possibility that an event or action will negatively affect an organization's ability to achieve its goals, often measured in terms of likelihood and impact.
Key term
Security policy
A security policy is a formal set of rules and guidelines that an organization establishes to protect its information assets and technology resources.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.