ISTQB
CTFL18 · Question #479
CTFL18 Question #479: Real Exam Question with Answer & Explanation
Sign in or unlock CTFL18 to reveal the answer and full explanation for question #479. The question stem and answer options stay visible for context.
Question
You are testing an e-commerce system. The system accepts four different types of Credit Cards; each card has its own rules for valid and invalid numbers. The combination of the conditions Valid Card Number (NO) + Purchase Approved (YES) is not feasible. You wish to perform a test which completely covers all the combinations of equivalence partitioning for the different types of credit card, according to the rules shown in the above Decision Table. How many test cases do you need?
Options
- A8
- B4
- C16
- D12
Unlock CTFL18 to see the answer
You've previewed enough free CTFL18 questions. Unlock CTFL18 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.