CSSLP Secure Software Architecture And Design Practice Question
Which design principle suggests that developers should keep the security mechanisms simple to understand and implement?
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
✓
Economy of mechanism.
Economy of mechanism ensures that small, simple security designs are easier to verify and less prone to vulnerabilities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Open design.
Why it's wrong here
Focuses on not relying on security through obscurity.
- ✓
Economy of mechanism.
Why this is correct
Complexity is the enemy of security.
- ✗
Complete mediation.
Why it's wrong here
Focuses on checking all access points.
- ✗
Defense in depth.
Why it's wrong here
Focuses on multiple layers.
About these practice questions
This CSSLP question is part of Courseiva's 198-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
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 CSSLP 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 CSSLP exam.