ISTQB Foundation Level Terms|
Comprehensive Questions and Answers|
2025/2026
What is the main objective of regression testing?
A. To validate the original functionality of the system
B. To ensure that new changes do not adversely affect existing functionalities
C. To test the performance of the application
D. To verify that the application meets all requirements
Which type of testing is performed to determine the compliance of the system with specified
requirements?
A. System testing
B. Acceptance testing
C. Unit testing
D. Integration testing
What is the purpose of a test case?
A. To outline the overall testing strategy
B. To specify conditions under which a test will be performed and what the expected
outcome is
C. To record defects found during testing
1
,D. To manage the testing environment
In which phase of the software development lifecycle is static testing performed?
A. After coding
B. Before coding
C. During integration
D. After deployment
What is a key advantage of using risk-based testing?
A. It guarantees that all functionalities will be tested
B. It prioritizes testing efforts based on the likelihood and impact of risks
C. It eliminates the need for test planning
D. It is faster than traditional testing methods
What type of testing is used to validate the interface between integrated components?
A. Unit testing
B. Integration testing
C. System testing
D. User acceptance testing
What does the term "defect density" refer to?
A. The number of tests executed in a given time
B. The number of defects found per size of the software (e.g., per KLOC)
2
,C. The total number of defects reported
D. The rate of defect discovery
Which of the following is an example of white-box testing?
A. User acceptance testing
B. Code coverage testing
C. System testing
D. Exploratory testing
What is the primary purpose of a test plan?
A. To document test cases
B. To outline the testing strategy and objectives, resources, and schedule
C. To manage defects
D. To execute test cases
What is the purpose of exploratory testing?
A. To test the application against documented requirements
B. To discover defects through informal, ad-hoc testing
C. To automate test cases
D. To validate performance under load
What type of testing is performed to validate that the system meets the performance
requirements?
3
, A. Unit testing
B. Performance testing
C. System testing
D. Regression testing
Which of the following best describes the role of a test lead?
A. To perform manual testing exclusively
B. To oversee the testing process, manage the test team, and ensure quality
C. To develop the application
D. To write automated test scripts
What is the purpose of defect life cycle management?
A. To execute test cases
B. To track defects from identification through resolution and closure
C. To manage testing resources
D. To validate test cases
What is a typical outcome of a review process?
A. To validate the execution of test cases
B. To identify defects early in the project lifecycle
C. To develop new test cases
D. To perform exploratory testing
4
Comprehensive Questions and Answers|
2025/2026
What is the main objective of regression testing?
A. To validate the original functionality of the system
B. To ensure that new changes do not adversely affect existing functionalities
C. To test the performance of the application
D. To verify that the application meets all requirements
Which type of testing is performed to determine the compliance of the system with specified
requirements?
A. System testing
B. Acceptance testing
C. Unit testing
D. Integration testing
What is the purpose of a test case?
A. To outline the overall testing strategy
B. To specify conditions under which a test will be performed and what the expected
outcome is
C. To record defects found during testing
1
,D. To manage the testing environment
In which phase of the software development lifecycle is static testing performed?
A. After coding
B. Before coding
C. During integration
D. After deployment
What is a key advantage of using risk-based testing?
A. It guarantees that all functionalities will be tested
B. It prioritizes testing efforts based on the likelihood and impact of risks
C. It eliminates the need for test planning
D. It is faster than traditional testing methods
What type of testing is used to validate the interface between integrated components?
A. Unit testing
B. Integration testing
C. System testing
D. User acceptance testing
What does the term "defect density" refer to?
A. The number of tests executed in a given time
B. The number of defects found per size of the software (e.g., per KLOC)
2
,C. The total number of defects reported
D. The rate of defect discovery
Which of the following is an example of white-box testing?
A. User acceptance testing
B. Code coverage testing
C. System testing
D. Exploratory testing
What is the primary purpose of a test plan?
A. To document test cases
B. To outline the testing strategy and objectives, resources, and schedule
C. To manage defects
D. To execute test cases
What is the purpose of exploratory testing?
A. To test the application against documented requirements
B. To discover defects through informal, ad-hoc testing
C. To automate test cases
D. To validate performance under load
What type of testing is performed to validate that the system meets the performance
requirements?
3
, A. Unit testing
B. Performance testing
C. System testing
D. Regression testing
Which of the following best describes the role of a test lead?
A. To perform manual testing exclusively
B. To oversee the testing process, manage the test team, and ensure quality
C. To develop the application
D. To write automated test scripts
What is the purpose of defect life cycle management?
A. To execute test cases
B. To track defects from identification through resolution and closure
C. To manage testing resources
D. To validate test cases
What is a typical outcome of a review process?
A. To validate the execution of test cases
B. To identify defects early in the project lifecycle
C. To develop new test cases
D. To perform exploratory testing
4
