Testing & Quality Assurance

This page is an excellent resource for Testers & Quality Assurance Engineers, preparing for interviews. It covers 17 topics and 730 interview questions which are mostly gathered from real users who confirmed being asked these questions during their interviews. As a result, there is a good chance that these questions will be asked in your interview as well.

Commonly asked Testing fundamentals interview questions:

• What is the purpose of software testing?
• What is the most common type of testing?
• What is the difference between functional testing and non-functional testing?
• What is regression testing and why is it important?
• What are the different levels of testing?
• What is the difference between white box and black box testing?
• What is the software development life cycle (SDLC)?
• What is the difference between verification and validation?
• What are the common bug types?
• What is the difference between a bug, defect and error?

Commonly asked Test design and planning interview questions:

• What techniques do you use to design tests?
• How do you create a test plan?
• What is the difference between a test plan and a test case?
• What methods do you use to ensure that tests are comprehensive?
• How do you determine the appropriate test coverage for an application?
• How do you decide when to use manual or automated testing?
• How do you prioritize tasks in a test plan?
• What challenges have you encountered when designing tests?
• How do you ensure that all test cases are documented and tracked?
• What processes do you use to identify and document test results?

Commonly asked Test automation interview questions:

• What is your understanding of Test Automation?
• What is your experience in automation testing?
• What scripting language skills do you have for automation?
• What tools have you used for test automation?
• How do you ensure that automated tests are running accurately?
• How do you ensure that automated tests are up to date?
• What techniques do you use to debug automated tests?
• How do you define test automation success criteria?
• What is the benefit of using a keyword-driven approach for test automation?
• What challenges have you faced while working on test automation projects?

Commonly asked Bug tracking and reporting interview questions:

• What is bug tracking and reporting?
• How do you prioritize bug reports?
• What are the best practices for bug tracking and reporting?
• What metrics do you use to measure the effectiveness of bug tracking and reporting?
• Describe the process for reproducing a bug?
• How do you communicate bug reports to stakeholders?
• How do you keep track of bug reports in a project?
• What tools do you use for bug tracking and reporting?
• What challenges have you faced in bug tracking and reporting?
• How do you ensure accuracy of bug reports?

Commonly asked Performance testing interview questions:

• What is performance testing?
• What are the different types of performance testing?
• What tools are commonly used for performance testing?
• How do you decide which performance tests to run?
• What is the most important performance metric to track?
• What is the difference between load and stress testing?
• Describe a performance incident you have encountered and how you addressed it.
• What challenges have you faced when performing performance testing?
• What is the most difficult aspect of performance testing?
• What is the difference between throughput and response time?

Commonly asked Software development life cycle (SDLC) interview questions:

• What is the purpose of the software development life cycle (SDLC)?
• What are the different stages in the SDLC model?
• What is the importance of Requirement Analysis in the SDLC?
• What is the difference between Waterfall and Agile methodologies of SDLC?
• What are the main activities involved in System Testing?
• How do you ensure quality in the software development process?
• What are the different types of Software Testing?
• What are the main elements of Software Quality Assurance?
• What is the purpose of Acceptance Testing?
• What is the role of a Quality Assurance Engineer in the SDLC?

Commonly asked Types of testing interview questions:

• What is the difference between functional testing and non-functional testing?
• What is the purpose of compatibility testing?
• Name some common types of testing?
• Describe smoke testing in detail?
• What is the purpose of regression testing?
• What is the purpose of usability testing?
• What is the purpose of security testing?
• What is the most important part of the testing process?
• Name three techniques for test case design?
• How do you ensure that all the requirements of a system are tested?

Commonly asked Test design techniques interview questions:

• What is the difference between positive and negative testing?
• Describe the process of designing a test case?
• How would you ensure the quality of your tests?
• What is the most effective way to create a test plan?
• How do you identify test conditions?
• What are the different test design techniques?
• What is equivalence class testing?
• What is boundary value testing?
• How do you decide which test cases to automate?
• What is the purpose of a test case?

Commonly asked CI/CD interview questions:

• What is continuous integration and delivery (CI/CD)?
• What are the benefits of using CI/CD?
• What are the main components of a CI/CD pipeline?
• What is a code repository and how does it relate to CI/CD?
• How can CI/CD help to reduce software development errors?
• What are the best practices for setting up a CI/CD pipeline?
• What are the differences between continuous integration and continuous delivery?
• How can a CI/CD pipeline be automated?
• What are the challenges of implementing CI/CD?
• What tools are used in a CI/CD pipeline?

Commonly asked Security and vulnerability testing interview questions:

• What is Security Testing?
• What is the purpose of Security Testing?
• What are the steps involved in Security Testing?
• What are the techniques and tools used in Security Testing?
• What is the difference between Security Testing and Vulnerability Testing?
• What are the most common vulnerabilities that Security Testing can detect?
• What is the process for testing the security of a web application?
• How can you ensure the security of a web application?
• How can you detect and prevent SQL injection attacks?
• What tools and techniques do you use for security testing?

Commonly asked Industry standards and regulations interview questions:

• What industry standards and regulations do you understand?
• How do you ensure compliance with industry standards and regulations?
• What techniques do you use to evaluate the effectiveness of industry standards and regulations?
• How do you develop test cases to ensure compliance with industry standards and regulations?
• What experience do you have in auditing industry standards and regulations?
• How do you stay up to date with industry standards and regulations?
• How would you handle conflicting industry standards and regulations?
• What challenges have you faced when implementing industry standards and regulations?
• How do you ensure that industry standards and regulations are being followed?
• What processes do you use to ensure that industry standards and regulations are being met?

Commonly asked Testing methodologies interview questions:

• What is your understanding of the Software Testing Life Cycle (STLC)?
• What is the difference between verification and validation?
• What is the purpose of smoke testing?
• What is the difference between a bug and a defect?
• What is the difference between positive and negative testing?
• What is the difference between static and dynamic testing?
• What is the purpose of regression testing?
• What test techniques do you use to ensure the quality of the software?
• What is the most important skill for a software tester?
• What challenges have you faced in software testing?

Commonly asked Test management tools interview questions:

• What is your experience with test management tools?
• What test management tools have you used?
• How do you choose which test management tool to use?
• How do you use test management tools to track and report test results?
• What techniques do you use to ensure the accuracy of test data?
• How do you prioritize tasks when using test management tools?
• How do you ensure test cases are properly linked to requirements?
• How do you ensure the consistency of test data across multiple test cycles?
• What challenges have you faced while using test management tools?
• How do you troubleshoot and resolve issues with test management tools?

Commonly asked Test Automation Engineer - Web interview questions:

• What is test automation, and why is it important in software development?
• Can you explain the difference between manual testing and automated testing?
• What are some common tools used for web test automation?
• How do you determine which tests to automate?
• What programming languages are commonly used for writing test scripts?
• Can you describe a simple test case you would automate for a web application?
• How do you ensure the reliability of your automated tests?
• Have you ever encountered a failure during automated testing? How did you handle it?
• What is the role of version control systems in test automation?
• How do you stay updated with the latest trends and tools in test automation?

Commonly asked Tosca interview questions:

• What is Tosca and how does it differ from traditional test automation tools?
• Can you explain the concept of Test Case Design in Tosca?
• How do you create a new test case in Tosca?
• What are the key components of Tosca that contribute to its test automation capabilities?
• Describe how you would use Tosca's model-based testing approach.
• How do you manage test data in Tosca?
• Can you explain the role of the Tosca Repository and how it is utilized?
• What are some common types of tests you can perform using Tosca?
• How do you handle exceptions or errors in your test scripts in Tosca?
• Describe a challenging situation you faced while using Tosca and how you resolved it.

Commonly asked Tosca Automation interview questions:

• What is Tosca Automation, and how does it differ from other test automation tools?
• Can you explain the importance of test case design in Tosca?
• How do you create a new test case in Tosca?
• What are the key components of Tosca, and what role do they play in test automation?
• How does Tosca handle test data management?
• Can you discuss how you would manage and execute test cases in a test suite using Tosca?
• What is the purpose of the Tosca Execution List, and how do you use it?
• How do you ensure the maintainability and reusability of test cases in Tosca?
• Describe a challenging situation you faced while working on test automation with Tosca and how you resolved it.
• How do you approach collaboration with developers and other team members when using Tosca?

Commonly asked Selenium interview questions:

• What is Selenium and what is its primary purpose in software testing?
• Can you name the different components of the Selenium suite?
• What are the differences between Selenium WebDriver and Selenium RC?
• How do you locate web elements using Selenium?
• What is the purpose of the `findElement` and `findElements` methods in Selenium?
• How can you handle alerts, pop-ups, and notifications in Selenium?
• Can you explain what a synchronization issue is, and how do you handle it in Selenium tests?
• What is a Page Object Model (POM) and how does it benefit Selenium automation?
• Describe a situation where you had to troubleshoot a test case that failed. What steps did you take to resolve the issue?
• How do you manage test data in your Selenium automation projects?

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