A QA manager is comparing the quality of two releases. Release A has 10 defects in 5,000 lines of code, and Release B has 15 defects in 10,000 lines of code. Which release has a higher defect density?

Cannot be determined without test coverage data

Release A, because it has 0.002 defects per line of code

Release B, because it has more defects

Both have the same defect density

A QA manager is reviewing test metrics for a critical module. The module has 1,000 lines of code, 20 defects found during testing, and 5 defects found in production after release. The test suite achieves 90% code coverage. The manager wants to assess the effectiveness of the testing process in finding defects before release. Which metric should they calculate?

Defect density = 20 / 1000 = 0.02 defects per line

Defect removal efficiency = 20 / (20 + 5) = 80%

Defect detection percentage = 5 / 20 = 25%

A QA manager is reviewing the test coverage of a project. The team has written 200 test cases, but the code coverage tool reports only 60% line coverage. The manager wants to improve coverage. Which action is most likely to increase line coverage?

Run the existing test cases multiple times

Increase the number of testers on the team

Add test cases that exercise untested branches and conditions

Remove test cases that are not passing

A QA engineer is designing test cases for a login form that accepts a username and password. The requirement states that the username must be between 3 and 10 characters. Which test data set is the most effective for boundary value analysis?

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 characters

EC-CouncilDevSecOps Essentials

Domain 1Objective 3

Application Testing and Quality Assurance DSE Practice Questions (Page 1)

Part of the Application Development and Security Fundamentals domain, which makes up ~20% of our current practice bank. EC-Council does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 2–3 from this objective — we provide 40 practice questions to prepare you well beyond it. (estimate)

40questions here

8free pages

5concepts

Questions 1–5

1expert · hard
A QA manager is comparing the quality of two releases. Release A has 10 defects in 5,000 lines of code, and Release B has 15 defects in 10,000 lines of code. Which release has a higher defect density?
Select an answer first
2expert · hard
A QA manager is reviewing test metrics for a critical module. The module has 1,000 lines of code, 20 defects found during testing, and 5 defects found in production after release. The test suite achieves 90% code coverage. The manager wants to assess the effectiveness of the testing process in finding defects before release. Which metric should they calculate?
Select an answer first
3foundation · easy
Which metric measures the percentage of the application's code or functionality that is exercised by the test suite?
Select an answer first
4application · medium
A QA manager is reviewing the test coverage of a project. The team has written 200 test cases, but the code coverage tool reports only 60% line coverage. The manager wants to improve coverage. Which action is most likely to increase line coverage?
Select an answer first
5application · medium
A QA engineer is designing test cases for a login form that accepts a username and password. The requirement states that the username must be between 3 and 10 characters. Which test data set is the most effective for boundary value analysis?
Select an answer first

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Application Testing and Quality Assurance DSE Practice Questions (Page 1)

Questions 1–5

A QA manager is comparing the quality of two releases. Release A has 10 defects in 5,000 lines of code, and Release B has 15 defects in 10,000 lines of code. Which release has a higher defect density?

Which metric measures the percentage of the application's code or functionality that is exercised by the test suite?

A QA manager is reviewing the test coverage of a project. The team has written 200 test cases, but the code coverage tool reports only 60% line coverage. The manager wants to improve coverage. Which action is most likely to increase line coverage?

A QA engineer is designing test cases for a login form that accepts a username and password. The requirement states that the username must be between 3 and 10 characters. Which test data set is the most effective for boundary value analysis?

Keep studying — Application Development and Security Fundamentals