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Two Advantages of Reengineering Over Replacement

publish date: 2026/06/24 21:21:48.419906 UTC

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Match each advantage of reengineering to its correct explanation.

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Advantage

Reduced cost
Reduced risk

Explanation

Redeveloping business-critical software from scratch carries high risk of specification errors, development problems, and delays
The cost of reengineering may be significantly less than the cost of developing entirely new software

Correct Answer

(1) Reduced risk,Redeveloping business-critical software from scratch carries high risk of specification errors, development problems, and delays
(2) Reduced cost,The cost of reengineering may be significantly less than the cost of developing entirely new software

Explanation

Reengineering offers reduced risk (avoiding the high risk of redeveloping business-critical software from scratch, including specification errors and delays) and reduced cost (often significantly lower than full reimplementation, as illustrated by documented industry case studies).

Reference

Software Engineering, Ian Sommerville, 10th edition

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