TCS Manual Testing Interview Questions

TCS Manual Testing Interview Questions

In this article, we will explore a range of common TCS manual testing interview questions and provide insights on how to answer them effectively, helping you to ace your tcs interview for software testing. Manual testing plays a critical role in ensuring the quality and reliability of software applications. Aspiring testers often face a battery of manual testing interview questions designed to assess their knowledge, skills, and problem-solving abilities.

TCS Manual Testing Interview Questions and Answer

1.What is Manual Testing, and how does it differ from Automated Testing?

  • Explain the process of manually verifying and validating software.
  • Highlight the differences between manual and automated testing, such as when to use each approach.

2.What are the key phases of the Software Testing Life Cycle (STLC)?

  • Describe the different stages in the STLC, including requirements analysis, test planning, test execution, and test closure.

3.What is the purpose of a Test Plan, and what information should it include?

  • Explain the importance of a test plan in guiding the testing process.
  • Discuss the components that should be present in a comprehensive test plan.

4.What is the difference between Test Cases and Test Scenarios?

  • Differentiate between test cases (specific test inputs, actions, and expected outcomes) and test scenarios (broad test ideas or scenarios).

5.How do you prioritize test cases when time and resources are limited?

  • Explain your approach to prioritizing test cases based on risk, critical functionality, and business impact.

6.What is Regression Testing, and why is it important?

  • Define regression testing as the practice of retesting previously tested functionality to ensure that new code changes have not introduced defects.
  • Discuss the significance of regression testing in maintaining software quality.

7.What is Traceability Matrix, and how is it useful in manual testing?

  • Describe a traceability matrix as a document that links requirements to test cases.
  • Explain how it helps ensure that all requirements are covered by test cases.

8.Can you explain the concept of Black Box Testing?

  • Define black box testing as a testing technique that focuses on the functionality of a software application without considering its internal code.
  • Provide examples of black box testing methods, such as equivalence partitioning and boundary value analysis.

9.What is the purpose of Test Execution and Defect Reporting?

  • Describe the process of executing test cases and recording test results.
  • Explain how to report defects, including the essential information to include in a defect report.

10.How do you handle ad-hoc testing or exploratory testing?

  • Explain your approach to exploratory testing, where testers use their domain knowledge and intuition to uncover defects.
  • Discuss the benefits of ad-hoc testing in uncovering unexpected issues.

11.What is Smoke Testing and Sanity Testing, and when are they performed?

  • Define smoke testing as a preliminary test to ensure that the basic functionality of an application is working before more extensive testing.
  • Differentiate between smoke testing and sanity testing and explain when each is performed.

12.How do you ensure effective communication with developers and other team members during testing?

  • Discuss your strategies for maintaining clear and open communication with the development team to resolve issues and clarify requirements.

13.What is Negative Testing, and why is it important?

  • Define negative testing as a type of testing that evaluates how an application handles invalid or unexpected inputs.
  • Explain the significance of negative testing in identifying vulnerabilities and improving software robustness.

14.How do you handle Test Data Management and Test Environment Setup in manual testing?

  • Describe your approach to managing test data and ensuring that the test environment is set up correctly for testing.

15.Can you share an example of a challenging defect you discovered during manual testing and how you approached its resolution?

  • Provide a real-world example of a complex defect, including how you identified it, reported it, and worked with the development team to resolve it.

16.What is the V-Model in Software Testing, and how does it relate to manual testing?

  • Describe the V-Model as a testing methodology that aligns with the various stages of software development.
  • Explain how manual testing activities are integrated into the V-Model.

17.What is Boundary Value Analysis, and when is it used in manual testing?

  • Define Boundary Value Analysis (BVA) as a testing technique that focuses on the boundary or extreme values of input ranges.
  • Discuss scenarios where BVA is particularly useful and provide an example.

18.How do you handle Test Case Design for complex software systems?

  • Explain your approach to designing test cases for complex systems, including strategies for ensuring comprehensive test coverage.

19.What is Usability Testing, and how do you conduct it manually?

  • Define usability testing as an evaluation of a software application’s user-friendliness and user interface design.
  • Describe how you plan and execute usability tests, including user scenario creation and observation techniques.

20.What is the Exit Criteria for the Testing Phase, and how do you determine when testing is complete?

  • Discuss the criteria that need to be met to signify the completion of the testing phase.
  • Explain how you assess whether these criteria are satisfied before concluding testing.

21.How do you handle Test Documentation and Test Reporting in manual testing?

  • Describe the types of test documentation you maintain during testing, such as test cases, test scripts, and test logs.
  • Explain the process of test reporting, including how you communicate test results and issues to stakeholders.

22.What is the Role of Test Estimation in manual testing projects?

  • Explain the significance of test estimation in project planning and resource allocation.
  • Discuss the factors you consider when providing test effort estimates.

23.Can you describe the Waterfall Model and its relationship with manual testing?

  • Explain the Waterfall Model as a traditional software development approach.
  • Discuss how manual testing activities are typically structured within the Waterfall Model.

24.What is the difference between Positive Testing and Negative Testing?

  • Differentiate between positive testing (valid inputs) and negative testing (invalid inputs) and explain their respective purposes.

25.How do you ensure Test Case Reusability in manual testing?

  • Describe your approach to creating reusable test cases and test scripts to improve testing efficiency and maintainability.

26.What is Compatibility Testing, and why is it important in manual testing?

  • Define compatibility testing as the evaluation of a software application’s compatibility with different browsers, operating systems, and devices.
  • Explain the importance of compatibility testing in delivering a consistent user experience.

27.How do you handle Test Data Validation and Verification in manual testing?

  • Discuss your strategies for ensuring that test data is accurate, complete, and valid before executing test cases.

28.Can you explain the concept of Test Case Traceability and its benefits in manual testing?

  • Describe how test case traceability helps ensure that each requirement is covered by corresponding test cases.
  • Explain the benefits of traceability in terms of test coverage and defect management.

29.How do you keep yourself updated with the latest trends and best practices in manual testing?

  • Discuss your approach to continuous learning and professional development in the field of manual testing.

30.What is the Role of Exploratory Testing in Manual Testing, and when is it most effective?

  • Define exploratory testing as a dynamic, unscripted approach to testing where testers actively learn about the application while executing test cases.
  • Discuss when and why exploratory testing is valuable and provide examples of scenarios where it excels.

31.Explain the concept of Test Coverage and its types in manual testing.

  • Define test coverage as a metric used to measure the extent to which testing has been performed.
  • Describe different types of test coverage, such as statement coverage, branch coverage, and path coverage.

32.What is the difference between Test Scenario and Test Case in manual testing?

  • Differentiate between test scenarios (high-level descriptions of functionality) and test cases (detailed, step-by-step instructions for testing specific functionality).

33.How do you ensure that Test Environments are identical between development and testing teams in manual testing?

  • Discuss your strategies for maintaining consistency in test environments, including configuration management and environment setup processes.

34.What are Test Execution and Test Reporting Metrics, and why are they important in manual testing?

  • Explain the significance of test execution metrics (e.g., pass/fail rates, defect density) and test reporting metrics (e.g., defect aging, test progress) in assessing the quality of testing efforts.

35.Can you provide an example of a challenging Test Case you designed and executed, and the results you obtained?

  • Share a real-world example of a complex test case, including the steps you followed, the expected outcome, and any issues or insights gained during execution.

36.How do you ensure Test Data Security and Confidentiality in manual testing, especially when dealing with sensitive data?

  • Discuss your approach to handling sensitive data during manual testing, including data anonymization, encryption, and compliance with data privacy regulations.

37.Explain the concept of Smoke Testing, and when is it performed in manual testing?

  • Define smoke testing as a preliminary test to ensure that the most critical and basic functionality of an application is working correctly before more extensive testing is carried out.
  • Discuss when smoke testing is conducted in the testing lifecycle.

38.How do you approach Test Execution on Multiple Platforms and Browsers in manual testing?

  • Describe your strategies for conducting manual testing across different platforms and browsers, including compatibility testing.

39.What is the Role of User Acceptance Testing (UAT) in manual testing, and how do you collaborate with end-users during UAT?

  • Explain the purpose of UAT in involving end-users in testing.
  • Discuss your approach to collaborating with end-users, collecting feedback, and ensuring their satisfaction during UAT.

40.Can you describe your approach to Test Case Reviews and Peer Testing in manual testing projects?

  • Discuss how you conduct test case reviews, peer testing, and the benefits of these practices in improving test case quality.


Preparing for a TCS manual testing interview requires a strong understanding of manual testing principles, testing methodologies, and effective communication skills. By mastering these tcs manual testing interview questions, you can demonstrate your expertise and readiness to excel as a manual tester at TCS. Remember to use practical examples from your experience to support your responses and showcase your problem-solving abilities. Good luck with your TCS manual testing interview!

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