ISTQB Related Exams
ISTQB-CTFL Exam

Select which of the following statements describe the key principles of software testing?
i. Testing shows the presence of defects, not their absence.
ii. Testing everything Is possible.
iii. Early testing Is more expensive and is a waste of time.
iv. Defects cluster together.
v. Testing is context dependent.
vi. Beware of the pesticide paradox.
vii. Absence of errors is a fallacy.
Select the correct answer:
Which of the following BEST defines risk level?
Following a risk-based testing approach you have designed 10 tests to cover a product risk with a high-risk level. You want to estimate, adopting the three-point test estimation technique, the test effort required to reduce the risk level to zero by executing those 10 tests. You made the following three initial estimates:
• most optimistic = 6 person hours
• most likely = 30 person hours
• most pessimistic = 54 person hours
Based only on the given information, which of the following answers about the three-point test estimation technique applied to this problem is true?