CSSLP Secure Software Requirements Practice Question
Which phase of the secure software lifecycle is the most cost-effective for identifying and correcting security requirements?
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
✓
Requirements phase
The earlier a requirement gap is identified, the cheaper it is to fix (before design or coding begins).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Maintenance phase
Why it's wrong here
This is long-term and costly.
- ✗
Deployment phase
Why it's wrong here
Post-production fixes are the most expensive.
- ✓
Requirements phase
Why this is correct
Fixing issues during requirements is significantly cheaper than in testing or production.
- ✗
Testing phase
Why it's wrong here
This is late in the cycle and very expensive to remediate.
About these practice questions
Courseiva writes every CSSLP question from scratch — 198 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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.