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Plan-driven nature of the waterfall model

publish date: 2026/05/28 22:08:31.019777 UTC

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The waterfall model is often described as a plan-driven process.

What does it mean for the waterfall model to be plan-driven?

Plans are created incrementally after each phase is completed.

Only testing activities are planned in advance.

All process activities are planned and scheduled before development begins.

Planning is avoided to keep the process flexible.

Correct Answer

All process activities are planned and scheduled before development begins.

Explanation

In a plan-driven process like the waterfall model, the major activities and their order are planned up front, and progress is measured against this plan.

Reference

Software Engineering, Ian Sommerville, 9th edition

Quizzes you can take where this question appears

The Waterfall Model