Authentic ISTQB Certification Exam CTFL-Foundation Questions Answers

If the project isn't big enough to justify extensive testing, using risk-based analysis to find out which areas need to be tested is the best approach. Risk-based testing prioritizes testing activities based on the risk of failure and the impact of those failures, ensuring that critical areas of the application are tested thoroughly even with limited resources. This approach helps in focusing testing efforts where they are most needed. Reference: ISTQB CTFL Syllabus V4.0, Section 5.2.3​​.

Maintenance testing refers to the testing that is conducted on a software system that has been changed, either through corrections, enhancements, or other modifications. Its main purpose is to ensure that the changes have been implemented correctly and that the system as a whole continues to function as intended. This type of testing is crucial after a system has been released and needs to be updated or fixed. Maintenance testing ensures that the new changes do not adversely affect the existing functionality of the system​​.REREE33

Fault masking occurs when one defect prevents the detection of another defect. In other words, an error condition hides another error condition, making it more difficult to identify and correct all defects. This can happen in various scenarios, such as when a certain path of code execution is blocked by an existing error, preventing other potential errors from being executed and detected. Reference: ISTQB CTFL Syllabus V4.0, Section 1.5.5​​.