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Testing Interview Questions And Answers
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Q: What is white box testing?
A: White box testing is based on knowledge of the internal logic of an application's code. Tests are based on coverage of code statements, branches, paths and conditions. Q: What is unit testing? A: Unit testing is the first level of dynamic testing and is first the responsibility of developers and then that of the test engineers. Unit testing is performed after the expected test results are met or differences are explainable/acceptable. Q: What is parallel/audit testing? A: Parallel/audit testing is testing where the user reconciles the output of the new system to the output of the current system to verify the new system performs the operations correctly. Q: What is functional testing? A: Functional testing is black-box type of testing geared to functional requirements of an application. Test engineers should perform functional testing. Q: What is usability testing? A: Usability testing is testing for 'user-friendliness'. Clearly this is subjective and depends on the targeted end-user or customer. User interviews, surveys, video recording of user sessions and other techniques can be used. Test engineers are needed, because programmers and developers are usually not appropriate as usability testers. Q: What is incremental integration testing? A: Incremental integration testing is continuous testing of an application as new functionality is recommended. This may require that various aspects of an application's functionality are independent enough to work separately, before all parts of the program are completed, or that test drivers are developed as needed. This type of testing may be performed by programmers, software engineers, or test engineers. |