20 Software Testing Interview Questions and Answers for QA Engineers
Searching for QA engineering jobs in India? From Chennai to Mumbai and Kolkata, there are plenty of QA engineering positions available. But you’ll need to nail the interview before you’ll be offered a position. The best way to prepare for an interview is to study the most commonly asked questions and formulate your answers ahead of time.
Here are interview questions and answers for QA engineers.
What is Testware?Testware is the utilities and software application needed to test the software package.
Explain bug release and bug leakage.Bug leakage occurs when the testing team fails to detect a bug, and end-user customers report the bug. Bug release refers to the handing over of software with known bugs.
What are the steps in the bug cycle?Review all six steps thoroughly, but in a concise manner. Be detailed with your answer, noting the specific status assignment for each step.
What types of software testing are available?Be sure to cover the main types of testing, including:
- Alpha and Beta
- White box and Black box
- Stress and load
- Integration and regression
Explain the difference between boundary and branch testing.The testing of the software’s limit conditions is boundary testing, while the testing of all application branches is branch testing.
What is agile testing, and why is it important?Explain that agile testing tests software from the customer’s point of view, and follows the SDLC methodologies.
What tools do testers use during testing?Explain the various available tools, including Firebug, Selenium, WinSCP, OpenSTA and the web developer toolbar in Firefox.
Explain the differences between load testing, stress testing, and volume testing.Explain the differences between these three and in a detailed, concise manner. You may need to refresh your memory and review these three testing methods.
What is the difference between validation and verification when testing software?Verification takes into account all the key aspects of software development, validation is the actual testing of verification aspects.
What is a bug triage?A bug triage is a simple process that assigns a bug’s owner, severity and priority.
Explain Test Metric and the information it provides.Test Metric is simply a standard of test measurement, and may include information such as: test run, total test, test failed, test passed, test passed the first time, and tests deferred.
What is the difference between retesting and regression testing?Regression testing checks to see if a defect fix impacts other functionality, while retesting checks the defect fix.
What types of documentation are used in QA?Be thorough with your answer and include all of the documentation you would normally use, including:
- Test metrics
- Test plan and cases
- Task distribution
- User profiles
- Test logs
- Test incident and summary reports
What is an MR?MR is a Modification Request that is written when reporting errors, suggestions or problems with the software.
How should validation activities be handled?When performing validation activities, a third party should conduct validation and verification. An independent validation should be performed and internal staff members not connected to the projects should be assigned validation-related tasks.
What is Ad Hoc testing?During this test, the tester attempts to break the system by randomly using its functionality. This may also include negative testing.
What is ‘USE’ case?A USE case is a document that describes the system response and user action for specific function.
Explain CRUD testing.CRUD (Create, Read, Update and Delete) is another term used for Black box testing.
Explain thread testing.Thread testing is the process of performing top-down testing.
What is configuration management?Configuration management is the process of documenting changes made during the project’s lifecycle.
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