What is the most important information that is missing from this use case?

The user selects no further service’ Expected results

– The ATM provides 50 to the user

– The ATM returns the card and balance slip

– The ATM clears the screen

– The ATM returns to start menu

You are asked to review this use case. You are asked to review this use case.

What is the most important information that is missing from this use case?
A . Nothing has been defined for expected response times.
B . The use case should also include alternative behaviour.
C . More test cases are needed to achieve the minimum acceptable level of coverage.
D . Expected results not clearly defined

View Answer

Answer: B

Explanation:

The use case only describes the normal or happy path scenario, where the user performs a successful cash withdrawal. However, it does not consider any alternative or exceptional scenarios, such as invalid card, incorrect PIN, insufficient balance, network failure, etc. These scenarios are important to test the robustness and reliability of the ATM system, and should be included in the use case specification.

Reference = ISTQB Certified Tester Advanced Level Syllabus Test Analyst, Section 2.2.1, Use Case Testing1; ISTQB Advanced Level Test Analyst (CTAL) Exam Study Guide, Section 2.2.1, Use Case Testing2