QA Interview Questions and Answers for 7 years experience

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7 Years QA Experience Interview Questions and Answers

  1. What is the difference between Verification and Validation?

    • Answer: Verification confirms that we are building the product right (meeting specifications), while validation confirms that we are building the right product (meeting user needs).

  2. Explain your experience with different testing methodologies (Agile, Waterfall, etc.).

    • Answer: (This answer needs to be personalized. Example:) "I have extensive experience in both Agile and Waterfall methodologies. In Agile, I've participated in daily stand-ups, sprint planning, and retrospectives, focusing on iterative testing and continuous feedback. My role involved creating and executing test cases within short sprints, providing quick feedback to developers. In Waterfall, I was involved in more comprehensive, upfront planning and documentation, with testing phases occurring later in the development cycle. I'm comfortable adapting my approach to the specific project needs."

  3. Describe your experience with Test Case design techniques (Equivalence Partitioning, Boundary Value Analysis, etc.).

    • Answer: (This answer needs to be personalized. Example:) "I regularly use Equivalence Partitioning to divide input data into groups that are likely to be treated similarly by the system, reducing the number of test cases while maximizing coverage. Boundary Value Analysis helps me focus on the edge cases, where errors are more likely to occur. I also employ Decision Table testing for complex logic, and State Transition testing for applications with different states and transitions."

  4. How do you handle bugs/defects found during testing?

    • Answer: I meticulously document each bug using a bug tracking system, including clear steps to reproduce, expected vs. actual results, severity, and priority. I add screenshots or screen recordings when necessary. I communicate effectively with developers, providing context and collaborating to find solutions. I follow up on the bug's status until it's resolved and verified.

  5. What is your experience with different types of testing (Unit, Integration, System, Regression, UAT)?

    • Answer: (This answer needs to be personalized. Example:) "I have experience in all these testing types. I've participated in unit testing reviews, ensuring developers have sufficient test coverage. I’ve conducted integration testing to verify interactions between different modules. System testing is a key part of my role, where I test the entire system to ensure it meets requirements. I routinely perform regression testing after code changes to prevent regressions. Finally, I've participated in User Acceptance Testing (UAT), working with end-users to validate the system meets their needs."

  6. Explain your experience with automation testing tools (Selenium, Appium, Cypress, etc.).

    • Answer: (This answer needs to be personalized. Example:) "I have extensive experience with Selenium WebDriver for automating web application testing. I'm proficient in Java and Python for test scripting. I've used Selenium to create robust and maintainable automation frameworks, including data-driven testing and reporting. I'm also familiar with Appium for mobile testing and have some experience with Cypress for its ease of use in frontend testing."

  7. How do you prioritize test cases?

    • Answer: I prioritize test cases based on risk, criticality, and business impact. High-risk areas, functionalities critical to the system's core operations, and features with high business value receive higher priority. I also consider the time available and resources allocated.

  8. Describe your experience with performance testing.

    • Answer: (This answer needs to be personalized. Example:) "I have experience using JMeter to conduct load and performance testing. I can design and execute performance tests, analyze results, identify bottlenecks, and recommend performance improvements. I'm familiar with key performance indicators (KPIs) such as response time, throughput, and resource utilization."

  9. How do you handle a situation where you disagree with a developer about a bug?

    • Answer: I approach such situations professionally and collaboratively. I clearly and calmly explain my reasoning, providing detailed steps to reproduce the issue and supporting evidence. I actively listen to the developer's perspective and try to understand their point of view. If we cannot reach a consensus, I involve a senior team member or project manager to help mediate and reach a resolution.

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