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Classify Lifecycle Activities

publish date: 2026/06/22 22:28:19.270533 UTC

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Classify each described activity into the correct lifecycle phase.

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Correct Answer

(1) A major new module is added that changes the system architecture,Evolution
(2) A small patch is applied to fix an urgent but minor issue,Servicing
(3) Data is migrated to a new platform and the old system is shut down,Retirement

Explanation

Evolution involves significant architectural and functional change. Servicing involves only small, essential fixes. Retirement involves taking the system out of use, typically with associated data migration costs to a replacement system.

Reference

Software Engineering, Ian Sommerville, 10th edition

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