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Waterfall Model Best Use Case

publish date: 2026/05/30 13:51:26.476720 UTC

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The waterfall model should only be used when which of the following conditions is met?

Waterfall Suitability Scale A clear visual spectrum showing when the Waterfall model is appropriate based on requirements stability, from stable to rapidly changing. ✓ OPTIMAL WATERFALL ZONE Requirements Stable & Well-Understood Requirements Rapidly Changing & Iterative Model selection depends directly on requirement volatility

Correct Answer

The requirements are well understood and unlikely to change radically during system development

Explanation

In principle, the waterfall model should only be used when the requirements are well understood and unlikely to change radically during system development.

Reference

Software Engineering, Ian Sommerville, 9th edition

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