Software Testing Interview Questions and Answers

Software testing is an essential part of the software development process, as it helps to ensure that the software is reliable and fit for its intended purpose. During a software testing interview, you may be asked a variety of questions to evaluate your understanding of software testing concepts, methodologies, and best practices. These questions may cover topics such as different types of software testing, the difference between manual and automated testing, the importance of test planning, and the difference between verification and validation. It’s also important to have knowledge about test case prioritisation, regression testing, white box testing, black box testing. Answering these questions accurately and confidently can help you to demonstrate your expertise in software testing and increase your chances of being hired for a software testing role.

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  1. What is software testing and why is it important?

Software testing is the process of evaluating a software application or system to determine if it meets the specified requirements and functions as intended. It is important because it helps to identify bugs, errors, and defects in the software, ensuring that it is reliable and fit for its intended purpose.

  1. What are the different types of software testing?

There are several types of software testing, including unit testing, integration testing, system testing, acceptance testing, and regression testing.

  1. What is the difference between manual testing and automated testing?

Manual testing is the process of testing software manually, where a tester physically executes test cases. Automated testing is the process of using software tools to execute test cases automatically.

  1. What is the purpose of test planning?

Test planning is the process of creating a detailed plan for how testing will be conducted. It is important as it helps to identify what needs to be tested, the resources required, and the schedule for testing.

  1. What is the difference between the verification and validation?

Verification is the process of ensuring that the software meets the specified requirements. Validation is the process of ensuring that the software is fit for its intended purpose.

  1. What is the difference between a bug and a defect?

A bug is an error or mistake in the software code. A defect is an error or mistake in the software that causes it to not function as intended.

  1. What is the difference between white box testing and black box testing?

White box testing is a method of testing software where the tester has access to the internal code and structure of the software. Black box testing is a method of testing software where the tester only has access to the inputs and outputs of the software.

  1. How do you ensure that your testing is thorough?

To ensure thorough testing, test cases should be selected carefully, taking into account all possible scenarios and edge cases. Automation can also help to increase test coverage.

  1. What is the purpose of regression testing?

Regression testing is the process of testing changes to the software to ensure that new changes do not cause any previously fixed bugs to reappear.

  1. How do you prioritise your test cases?

Test cases can be prioritised based on factors such as the criticality of the feature being tested, the risk of the feature not working correctly, and the frequency of use.

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