CTFL-v4 Fundamentals of Testing Practice Question
When should the 'Test Planning' phase be revisited during a project?
⚠ Common exam trap
Students often believe test planning ends once the initial document is signed off, forgetting that planning is a continuous, iterative lifecycle activity.
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
✓
When significant changes occur to the project scope or requirements.
Test planning is not a one-time event; it is an iterative process. It must be revisited whenever there are significant changes to the project scope, timeline, requirements, or test results that suggest the original plan is no longer valid. Keeping the plan current ensures that the testing effort remains aligned with the project's reality, preventing wasted effort on obsolete tasks and helping the team adapt to dynamic project environments effectively.
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 when the testing phase is completely finished.
Why it's wrong here
Revisiting the plan after the test phase is useless, as the work is already done. The test plan acts as a roadmap for the team. If it is not updated during the project, the team will be working against an outdated plan that ignores current project constraints.
- ✓
When significant changes occur to the project scope or requirements.
Why this is correct
Changes to the project scope, requirements, or timeline are significant triggers that necessitate an update to the test plan. If these factors change, the original assumptions about resource needs and test coverage are likely invalid, and the plan must be adjusted to remain accurate and relevant.
- ✗
Only if a critical defect is discovered.
Why it's wrong here
While a critical defect might lead to a rethink of the schedule, it is not the only reason to update a test plan. Many other factors, such as budget cuts, team turnover, or changes in regulatory requirements, also necessitate a review and update of the test strategy.
- ✗
Never, as the test plan is a rigid document.
Why it's wrong here
The test plan is a living document, not a rigid one. In modern development, static plans that never change quickly become obsolete and disconnected from the team's actual work, leading to inefficiency and misalignment between the testing team and the overall project goals and stakeholder expectations.
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Last reviewed September 2026 · checked against the official ISTQB exam blueprint
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