CTFL-v4 Static Testing Practice Question
When should static analysis be performed in the development lifecycle?
⚠ Common exam trap
Candidates often select post-release or system testing phases, assuming static analysis is just another type of testing that requires code execution, completely missing the principle of early defect detection.
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
✓
As early as possible, ideally during code development.
Static analysis is most effective when performed as early and as often as possible. By integrating tools into the IDE or build pipeline, developers get immediate feedback, allowing them to fix issues before they even commit code. This continuous approach minimizes the effort required for remediation and ensures that the codebase maintains high quality, preventing technical debt from accumulating throughout the development process.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Only at the end of the project to ensure the final delivery is clean.
Why it's wrong here
Performing static analysis only at the end is ineffective and expensive. By that time, fixing defects is much more costly because they are deeply embedded in the system. Early identification is a fundamental principle of static testing and defect prevention.
- ✓
As early as possible, ideally during code development.
Why this is correct
Early integration allows for immediate detection and correction of code quality and security issues. This reduces the overall cost of defects, as they are easier to fix when the developer is still familiar with the code, leading to a more efficient development lifecycle.
- ✗
Only after the system has passed all functional testing phases.
Why it's wrong here
Static analysis should be performed long before functional testing begins. Relying on it after functional testing ignores the benefits of early defect discovery and means that the codebase might have been unnecessarily flawed during the testing phase, complicating the overall verification process.
- ✗
Only when the code is deployed to the production environment.
Why it's wrong here
Analyzing code in production is too late. Static analysis is a development-time activity meant to prevent defects from ever reaching production. Applying it at the deployment stage is counter-productive because the cost of fixing defects in production is significantly higher than during the development phase.
About these practice questions
Courseiva writes every CTFL-v4 question from scratch — 144 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 September 2026 · checked against the official ISTQB exam blueprint
This CTFL-v4 practice question is part of Courseiva's free ISTQB 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 CTFL-v4 exam.