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Four Strategic Options for Legacy Systems
publish date: 2026/06/24 21:04:0.860118 UTC
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Which of the following are the four recognized strategic options for evolving a legacy system? Select all that apply.
Correct Answer
(1) Scrap the system completely
(2) Leave the system unchanged and continue with regular maintenance
(3) Reengineer the system to improve its maintainability
(4) Replace all or part of the system with a new system
Explanation
The four strategic options for legacy system management are: scrap the system completely; leave it unchanged with regular maintenance; reengineer it to improve maintainability; or replace all or part of it with a new system. The choice depends on a combined assessment of business value and technical quality.
Reference
Software Engineering, Ian Sommerville, 10th edition