Which of the following is likely to benefit most from the use of test tools?
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User acceptance testing
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System testing
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Integration testing
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Regression testing
D
Correct answer
Explanation
Regression testing involves re-running many existing tests repeatedly after each code change. Test tools automate this efficiently, saving significant time and effort compared to manual execution. Other testing types like UAT, system testing, and integration testing often require more human judgment and exploratory approaches that benefit less from pure automation.