100+ Software Testing Interview Questions

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https://www.youtube.com/watch?v=qaANTCZt20g What is Regression testing? It is a type of software testing that verifies that software performs correctly after the change or defect fix. Changes may include software enhancements, patches, hardware, networking, data structure, configuration changes, etc. In other words purpose of regression testing is to identify that  new defects are not introduced in the system after the change. 2) At what levels regression testing should be done? At all levels mainly Unit Testing, Integration testing and System Testing: Focus on testing is different at different levels. 3) What are the types of Regression testing techniques? Corrective Regression Testing: Progressive Regression Testing: Retest-All Strategy:. Selective Strategy: (dependencies between a test case and the program entities it covers) 4) What should be the frequency of regression testing? Ideally Regression testing should be done after bug fix and after any change to the syste
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