Manual Testing Interview Questions

Manual Testing Interview Questions

To help you prepare for your upcoming manual testing interview, we’ve compiled a comprehensive list of 60 manual testing interview questions and provided concise answers to each. Manual testing plays a crucial role in ensuring the quality and reliability of software applications. In manual testing interviews, candidates are often confronted with a variety of questions to assess their knowledge, experience, and problem-solving abilities.

Manual Testing Interview Questions and Answers

1.What is manual testing?

Manual testing is a process of verifying and validating software applications manually to find defects or bugs.

2.How is manual testing different from automated testing?

Manual testing is performed by human testers, while automated testing uses scripts and tools to execute test cases.

3.What is a test case?

A test case is a detailed document that outlines the steps, conditions, and expected results of a particular test scenario.

4.What is a test plan?

A test plan is a comprehensive document that defines the scope, objectives, resources, and schedule for testing activities.

5.Can you explain the Software Development Life Cycle (SDLC)?

SDLC is a structured process for developing software, typically involving phases like requirements, design, coding, testing, and maintenance.

6.What is the purpose of regression testing?

Regression testing ensures that new changes or features in the software do not introduce new defects or break existing functionality.

7.What is the difference between smoke testing and sanity testing?

Smoke testing is a subset of initial tests to ensure basic functionality, while sanity testing verifies specific areas of concern or recent changes.

8.What is exploratory testing?

Exploratory testing is unscripted testing where testers explore the application, learn as they test, and design tests on the fly.

9.How do you report a defect, and what information should be included in a defect report?

A defect report should include details like the steps to reproduce the issue, the expected and actual results, the environment, and severity.

10.What is test coverage?

Test coverage measures the extent to which the application’s functionality is tested by a set of test cases.

11.What is equivalence partitioning?

Equivalence partitioning is a test design technique that divides input data into classes, treating all data in each class as equivalent.

12.What is boundary value analysis?

Boundary value analysis focuses on testing values at the extremes or boundaries of input domains.

13.What is positive testing?

Positive testing checks if the system behaves as expected with valid inputs.

14.What is negative testing?

Negative testing verifies how the system handles invalid or unexpected inputs.

15.What is usability testing?

Usability testing assesses the user-friendliness of the software by evaluating user interactions and user satisfaction.

16.Explain the difference between functional and non-functional testing.

Functional testing checks if the software meets specified functional requirements, while non-functional testing assesses aspects like performance, security, and usability.

17.How do you ensure traceability between test cases and requirements?

Traceability matrices are used to link test cases to specific requirements, ensuring that all requirements are tested.

18.What is a test environment?

A test environment is a setup that mimics the production environment for testing purposes.

19.How do you prioritize test cases when resources are limited?

Prioritize test cases based on risk, critical functionality, and business impact.

20.How do you handle test data management in manual testing?

Test data should be carefully selected, created, and managed to cover various test scenarios.

21.What are the advantages of manual testing?

Human intuition and adaptability, early defect detection, and cost-effectiveness for small projects.

22.What are the disadvantages of manual testing?

Labor-intensive, time-consuming, less repeatable, and limited scalability for large projects.

23.ow do you stay updated with the latest testing trends and best practices?

Attend training, conferences, webinars, and read industry blogs and books.

24.Describe your experience in working with Agile development methodologies.

Discuss your experience with Agile ceremonies like sprint planning, daily stand-ups, and sprint reviews.

25.Can you provide an example of a challenging bug you’ve encountered and how you resolved it?

Share a real-life scenario, including the steps you took to identify, reproduce, and resolve the issue.

26.What is a test script?

A test script is a set of instructions that specifies the actions to be performed and expected results during the execution of a test case.

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

Black-box testing focuses on testing the software’s functionality without knowing its internal code, while white-box testing involves testing based on knowledge of the code’s internal structure.

28.Explain the importance of test data and test data generation.

Test data is crucial for conducting tests. Test data generation involves creating relevant input data to test different scenarios and conditions.

29.What is end-to-end testing, and when is it performed?

End-to-end testing verifies the flow of data and functionality through an entire system, often conducted before release to ensure system integration.

30.How do you handle testing of software updates or patches?

Focus on regression testing to ensure that the updates do not break existing functionality, along with targeted testing of the updated features.

31.What is ad-hoc testing, and when is it useful?

Ad-hoc testing is unplanned, informal testing where testers use their domain knowledge to identify defects. It’s helpful for exploring areas not covered by formal test cases.

32.Explain the concept of load testing.

Load testing evaluates how well a system performs under specific conditions, such as a high volume of users or data, to identify bottlenecks or performance issues.

33.What is the difference between system testing and integration testing?

System testing evaluates the entire system’s functionality as a whole, while integration testing focuses on verifying interactions between components or modules.

34.Describe the importance of boundary testing in manual testing.

Boundary testing is essential for identifying issues related to the edges or limits of input values, helping ensure robust software.

35.How do you handle testing when there are frequent changes in requirements?

Agile methodologies are often used in such situations, allowing for flexibility and adaptability during testing phases.

36.What is the purpose of smoke testing in a continuous integration environment?

Smoke testing ensures that the latest build of the software is stable enough for further testing and does not contain critical defects.

37.Explain the concept of test data independence.

Test data independence means that tests should not rely on specific data that may change or become unavailable, ensuring test repeatability.

38.What is the role of a test harness in manual testing?

A test harness is a set of tools or frameworks used to automate the execution of test cases and manage test data.

39.How do you handle exploratory testing in a structured testing process?

Allocate time for exploratory testing sessions alongside planned test cases to explore potential risks and critical areas.

40.What is the purpose of a test exit criteria checklist?

A test exit criteria checklist ensures that all testing activities are complete before releasing the software to production.

41.What is the importance of maintaining a test repository?

A test repository stores test cases, scripts, and related documentation, ensuring reusability and easy access to testing artifacts.

42.What is a test deliverable, and what are some examples?

Test deliverables are documents or artifacts produced during the testing process, such as test plans, test cases, and defect reports.

43.How do you handle test estimation and planning?

Test estimation involves determining the effort and resources required for testing, while planning includes defining the testing scope, objectives, and schedule.

44.What is a test log, and why is it important?

A test log records detailed information about test execution, including test case status, timestamps, and any issues encountered, aiding in troubleshooting.

45.Explain the concept of test reusability and its benefits.

Test reusability involves designing test cases that can be used across multiple projects or scenarios, saving time and effort.

46.What is test execution status reporting, and how often should it be done?

Test execution status reporting provides updates on the progress of testing activities and should be done regularly to keep stakeholders informed.

47.What is a test schedule, and how do you create one?

A test schedule outlines the timeline for testing activities, including test phases, milestones, and resource allocation.

48.How do you ensure effective communication within the testing team and with other project stakeholders?

Regular meetings, status reports, and clear documentation are essential for maintaining effective communication.

49.Explain the concept of a test closure report.

A test closure report summarizes the testing activities, including the test results, coverage, and any outstanding issues, as well as lessons learned for future projects.

50.How do you handle test environment issues that arise during testing?

Document and report environment issues promptly, collaborate with relevant teams to resolve them, and adjust the testing schedule if necessary.

51.What is defect triage, and why is it important?

Defect triage is the process of prioritizing and managing reported defects. It’s essential to address critical issues promptly while categorizing and scheduling less critical ones.

52.How do you determine the severity and priority of a defect?

Severity is based on the impact of the defect, while priority considers its importance in the current context. These are often defined in collaboration with stakeholders.

53.Explain the concept of a test closure meeting.

A test closure meeting is conducted at the end of testing to discuss the overall testing effort, share test results, and gather feedback for process improvement.

54.What is defect leakage, and how can it be minimized?

Defect leakage occurs when a defect is not identified during testing and is discovered later. Minimizing leakage involves thorough test coverage and effective test design.

55.How do you ensure that defects are effectively communicated and tracked within the testing team?

Use defect tracking tools, maintain clear defect documentation, and establish a process for defect assignment and resolution.

56.What is a test execution cycle, and how do you ensure its success?

A test execution cycle involves running test cases, recording results, and identifying defects. Success is ensured through careful planning, execution, and monitoring.

57.How do you handle the situation when a critical defect is discovered just before a software release?

Communicate the issue to stakeholders, assess the impact, and make a joint decision on whether to proceed with the release or postpone it for further testing.

58.Explain the concept of a test incident report.

A test incident report documents unexpected events during testing, such as defects, deviations from test cases, and environmental issues.

59.What is the role of a test coordinator or lead in defect management?

A test coordinator or lead is responsible for overseeing defect management activities, including triaging, assigning, and tracking defects until resolution.

60.How do you ensure that resolved defects are retested successfully?

Create test cases specifically designed to verify the resolution of each defect and execute them during regression testing.


Manual testing interview questions and answers to help you prepare for your upcoming interview. In the full article, we will cover an additional 60 questions manual testing interview question and provide detailed answers. Remember that while knowing the answers is essential, providing practical examples from your experience can greatly enhance your interview performance. Good luck with your manual testing interview!.

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