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Overlapping Lifecycle Phases
publish date: 2026/06/22 22:28:18.310090 UTC
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True or False: The development, evolution, servicing, and retirement phases of a software system have sharp, non-overlapping boundaries, with one phase ending completely before the next begins.
Correct Answer
False
Explanation
These phases overlap with each other rather than having sharp boundaries. A system may show characteristics of more than one phase simultaneously as it transitions gradually from one stage to the next.
Reference
Software Engineering, Ian Sommerville, 10th edition
