Technology and Engineering · #4 in series
QATest Engineer interview prep
Top 100 interview questions for QATest Engineer — modeled on real FAANG loops.
100
Questions
10
Topics
20
Free
General Testing Concepts
10 questions1
What is the difference between verification and validation in software testing?
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2
Can you explain the different levels of testing?
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3
What are the different types of software testing?
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4
What is the difference between functional and non-functional testing?
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5
Explain what is meant by test coverage.
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6
How do you prioritize test cases?
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7
What is a test plan, and what does it include?
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8
Define the term 'test bed'.
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9
What is the role of a QA engineer in Agile development?
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10
What is the difference between regression testing and retesting?
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Manual Testing
10 questions11
How do you conduct manual testing?
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12
What are test cases, and how do you design them?
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13
How do you ensure the quality of a software product?
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14
What is exploratory testing, and how does it differ from script-based testing?
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15
How do you perform boundary value analysis?
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16
What is equivalence partitioning in testing?
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17
Describe a situation where you found a critical bug during manual testing.
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18
How do you handle incomplete or changing requirements?
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19
What is user acceptance testing (UAT)?
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20
How do you perform a root cause analysis for a defect?
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Automation Testing
10 questions21
What is automation testing, and why is it important?
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22
Which tools have you used for automation testing?
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23
How do you decide which test cases to automate?
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24
Explain the concept of a test automation framework.
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25
What is the Page Object Model in Selenium?
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26
How do you handle dynamic elements in automation testing?
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27
What are the challenges of test automation?
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28
Describe how you would implement continuous integration with automated tests.
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29
What is the difference between Selenium WebDriver and Selenium RC?
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30
How do you handle exceptions in your automation scripts?
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Performance Testing
10 questions31
What is performance testing, and why is it important?
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32
Explain the difference between load testing and stress testing.
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33
What tools do you use for performance testing?
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34
How do you identify bottlenecks in performance testing?
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35
What is the difference between latency and throughput?
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36
Describe the process of conducting a performance test.
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37
How do you analyze performance test results?
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38
What is a performance baseline?
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39
How do you simulate a high-load environment?
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40
What are some common performance testing metrics?
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Security Testing
10 questions41
What is security testing?
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42
How do you perform security testing on web applications?
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43
Explain the concept of penetration testing.
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44
What are some common security vulnerabilities you look for?
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45
What is SQL injection, and how do you test for it?
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46
How do you test for cross-site scripting (XSS)?
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47
What is the OWASP Top Ten?
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48
How do you perform authentication and authorization testing?
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49
Describe a time when you identified a security issue.
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50
What tools do you use for security testing?
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Tools and Technologies
10 questions51
What is your experience with Selenium?
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52
How do you use JIRA for test management?
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53
What are the benefits of using TestNG over JUnit?
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54
How do you use Jenkins for continuous testing?
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55
What is your experience with version control systems like Git?
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56
Describe how you use Postman for API testing.
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57
How do you integrate automated tests into a CI/CD pipeline?
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58
What is your experience with Docker in testing environments?
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59
How do you use Appium for mobile testing?
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60
What scripting languages do you use for test automation?
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Behavioral and Situational
10 questions61
Describe a challenging testing project you worked on and how you handled it.
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62
How do you handle conflicts in a team?
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63
Describe a time when you missed a critical bug. What did you learn from it?
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64
How do you stay updated with the latest testing trends and technologies?
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65
How have you improved the testing process in your previous roles?
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66
Describe a time when you had to test a product with limited documentation.
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67
How do you ensure effective communication with developers?
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68
Describe how you handle tight deadlines in testing.
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69
How do you manage stress during critical project phases?
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70
What is your approach to continuous learning and improvement in testing?
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Agile and DevOps
10 questions71
What is the role of QA in a DevOps environment?
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72
How do you ensure quality in an Agile process?
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73
How do you collaborate with developers in a Scrum team?
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74
What is the difference between Agile testing and traditional testing?
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75
How do you handle changing requirements in Agile?
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76
Describe how you implement test automation in a DevOps pipeline.
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77
What tools do you use for Agile project management?
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78
How do you participate in sprint planning and retrospectives?
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79
How do you ensure test coverage in continuous deployment?
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80
How do you balance speed and quality in Agile development?
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Problem Solving and Analytical
10 questions81
How would you test a complex algorithm?
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82
Describe how you would test a large-scale distributed system.
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83
How do you approach testing a new feature with unknown impact?
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84
How do you conduct a risk analysis for a testing project?
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85
How would you test a third-party API integration?
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86
Describe how you would test a machine learning model.
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87
How do you troubleshoot a failing test case?
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88
How do you approach testing in a microservices architecture?
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89
How would you test a system with high availability requirements?
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90
How do you perform data validation testing?
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Miscellaneous
10 questions91
What is the difference between QA and QC?
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92
How do you ensure data integrity in testing?
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93
What is the role of a QA engineer in test environment setup?
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94
How do you test for internationalization and localization?
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95
What is the importance of documentation in testing?
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96
How do you handle non-reproducible bugs?
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97
What is the role of a QA engineer in product design?
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98
How do you use metrics to improve the testing process?
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99
What is your experience with cloud-based testing environments?
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100
How do you ensure compliance with industry standards in testing?
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