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ISC2 CC Practice Question: When designing a secure network, which TWO of the…
When designing a secure network, which TWO of the following are fundamental security principles that should be applied?
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
✓
Fail secure
Fail secure ensures the system remains secure on failure. Least privilege restricts access to the minimum. The other options are important but less fundamental in network design.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Fail secure
Why this is correct
Fail secure ensures security during failures.
- ✗
Complete mediation
Why it's wrong here
Complete mediation is a principle but not as fundamental in network design.
- ✗
Open design
Why it's wrong here
Open design is important but not a fundamental network security principle.
- ✗
Economy of mechanism
Why it's wrong here
Simplicity is good but not a top-tier principle.
- ✓
Least privilege
Why this is correct
Least privilege is a core principle for access control.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Access control
Access control is the security practice of determining who or what is allowed to view, use, or enter a resource, and under what conditions.
Key term
Least privilege
Least privilege is a security principle that means giving users, systems, or programs only the minimum permissions they need to do their job and nothing more.
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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.