ISC Systems Security Engineering Foundations Practice Question
What is the primary benefit of modularity in secure systems design?
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
✓
Facilitates security analysis and component isolation
Modularity allows for fault isolation and easier security verification of individual components.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reduces the total number of lines of code
Why it's wrong here
Modularity does not necessarily reduce code volume.
- ✗
Eliminates the need for API gateways
Why it's wrong here
Modularity often increases the need for secure API management.
- ✗
Guarantees the system cannot be hacked
Why it's wrong here
No design methodology guarantees immunity from attacks.
- ✓
Facilitates security analysis and component isolation
Why this is correct
Smaller, independent parts are easier to audit and secure.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.