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Phases of the waterfall model
publish date: 2026/05/28 22:08:30.751884 UTC
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The waterfall model defines a set of major phases that reflect the fundamental development activities.
Which set of phases best matches the waterfall model?
Correct Answer
Requirements analysis and definition; system and software design; implementation and unit testing; integration and system testing; operation and maintenance
Explanation
The waterfall model’s principal stages are: requirements analysis and definition, system and software design, implementation and unit testing, integration and system testing, and operation and maintenance.
Reference
Software Engineering, Ian Sommerville, 9th edition