Unit 1: Automated Testing and Test Tools - Practice Quiz

1 What is a major benefit of automating repetitive software tests?

2 Which type of testing commonly benefits from automation?

3 How can automated tools improve test consistency?

4 Which benefit is provided by faster automated test execution?

5 What is a test tool?

6 Which tool is mainly used to record and manage reported defects?

7 What does a test management tool commonly help organize?

8 Which tool measures how much program code is exercised by tests?

9 What is software test automation?

10 What does an automated test script usually contain?

11 What is the purpose of an automated test assertion?

12 When should an automated test report a failure?

13 What is random testing?

14 What is one purpose of random testing?

15 What information can help reproduce a failed randomized test?

16 Which statement about random testing is correct?

17 What is a common initial cost of test automation?

18 Why do automated test scripts require maintenance?

19 Which statement describes a realistic limitation of test automation?

20 What should a team consider before selecting a test tool?

21 A team must execute the same 600 regression tests on three browser versions before every weekly release. Which benefit most strongly supports automating these tests?

22 An automated suite runs overnight and produces timestamped logs, screenshots, and pass/fail results. Which testing benefit is demonstrated most directly?

23 A performance tool simulates 5,000 concurrent users accessing an application. Why is using a tool especially beneficial in this situation?

24 A calculation test must be repeated with 2,000 input combinations. What is the main advantage of using data-driven automation?

25 A manager wants to record requirements, connect them to test cases, schedule executions, and summarize defects. Which category of tool is most appropriate?

26 A tool examines source code without running it and reports unreachable code and possible null dereferences. What type of tool is being used?

27 During integration testing, a payment service is unavailable and expensive to access. Which tool capability would best allow testing to continue?

28 A coverage tool reports that a test suite executed 75 of 100 executable statements. What statement coverage was achieved?

29 A web application's layout changes frequently, causing many recorded scripts to fail even though the behavior remains correct. Which improvement would most reduce maintenance?

30 An automated test sometimes fails because it checks a result before an asynchronous request finishes. What is the best correction?

31 A team is selecting its first set of test cases for automation. Which candidate is generally the most suitable?

32 An automated test creates a customer account but leaves the account in the database. Later runs fail because the username already exists. Which design change is most appropriate?

33 A random test generator occasionally exposes a crash, but the team cannot reproduce it. What should the framework record to improve reproducibility?

34 A random input generator sends arbitrary byte sequences to a date field, but most cases are rejected immediately by basic validation. How can the test become more effective?

35 A random test executes 10,000 valid transaction sequences without crashing. Which conclusion is justified?

36 A random-testing tool finds a failure using a 300-step action sequence. Which follow-up technique would best help developers diagnose it?

37 A company buys a popular automation tool, but adoption fails because it does not support the application's custom controls. What should have been done before purchase?

38 A manager estimates automation cost using only license fees. Which additional cost is most important to include?

39 After automating 80% of regression tests, a team plans to eliminate all manual testing. Why is this approach risky?

40 An automated suite reports many failures after a planned interface update, but investigation shows that the product works correctly. What do these results primarily indicate?

41 A regression suite requires 12 staff-hours per manual execution. Automation requires 180 staff-hours initially, then 1.5 staff-hours for execution supervision and 2.5 staff-hours for maintenance per run. Ignoring other costs, what is the minimum number of executions needed for automation to become less expensive than manual testing?

42 A tool reduces regression execution from ten hours to two hours, but test results still require three hours of human investigation. Releases are delayed mainly because the shared test environment is available only once per week. Which conclusion best evaluates the tool's likely benefit?

43 A team reports that automation increased executed test cases by 400%, while escaped defects remained unchanged. Which additional metric would best determine whether automation improved fault-detection effectiveness rather than merely test throughput?

44 Two automated suites have equal maintenance cost. Suite X runs every commit and detects failures after 15 minutes; Suite Y runs nightly and detects the same failures with slightly higher diagnostic accuracy. When rapid feedback is the primary economic objective, which benefit most strongly favors Suite X?

45 A concurrency defect disappears whenever a detailed tracing tool is enabled because the tool changes thread timing. What is the most appropriate response?

46 A coverage tool reports 100% branch coverage, but mutation testing shows that most altered conditions survive. Which interpretation is most defensible?

47 A capture-and-replay GUI suite fails after each deployment because controls receive new generated identifiers, although labels and business behavior remain stable. Which tool capability would most directly reduce this maintenance problem?

48 A test management tool claims 100% requirements coverage because every requirement has at least one linked test. Which condition is necessary before this figure can support a meaningful audit conclusion?

49 An automated suite contains the same checkout workflow in 80 scripts, each with different test data. A minor workflow change requires editing every script. Which redesign best addresses the underlying automation problem?

50 A UI test intermittently fails because it checks an element exactly two seconds after submitting a request whose completion time varies between one and five seconds. Which synchronization strategy is most robust?

51 A business rule can be verified through either a browser test or a service-level test. Both detect the same rule violation, but the browser test is slower and more fragile. Which allocation is most appropriate?

52 Tests pass individually but fail unpredictably when the suite runs in parallel because several tests modify the same customer account. Which architectural correction best addresses the root cause?

53 Each independent random input has probability of exposing a particular defect. What is the minimum number of inputs required to obtain at least a 95% probability of exposing it once?

54 A randomized concurrent test logs its pseudo-random seed, but replaying that seed does not reproduce the failure. Which additional information is most critical for reproducibility?

55 Uniformly random byte strings almost never pass a structured protocol parser's initial validation, so deeper states remain untested. Which generation strategy best improves defect discovery while retaining randomness?

56 A property-based test finds a failure for a valid transaction sequence, but its shrinker reduces the sequence to one that violates the test's preconditions and no longer demonstrates the original fault. What is the best correction?

57 A stable feature is scheduled for retirement after four more regression cycles. Automating it requires 60 hours, while each remaining manual cycle costs 12 hours and each automated cycle would cost 3 hours in maintenance and supervision. What is the best economic decision?

58 A vendor demonstrates near-perfect automation on a small sample application. Before organization-wide purchase, which evaluation provides the strongest evidence of suitability?

59 An automated suite reports all tests passing, yet a tax calculation is wrong in production. Investigation shows that each script compared the result with a value computed using the same faulty formula as the application. Which limitation does this illustrate?

60 A team automates an unstable approval process while business rules are changing weekly. Script maintenance rapidly consumes more effort than manual execution. Which action best addresses the situation?