ISQI Certified Tester Foundation Level — Question 39

Which of the following statements about use-case testing are most accurate?
(i)In a use-case diagram an actor represents a type of user.
(ii)Use-cases are the most common test basis for unit testing.
(iii)A use-case describes interactions between actors.
(iv)An actor is always a human user that interacts with the system.
(v)Test cases can be based on use-case scenarios.
(vi)Use-case testing will often identify gaps not found by testing individual components.

Answer options

• A. ii, iii, iv, v
• B. i, iii, v, vi
• C. i, ii, iv, v
• D. iii, iv, v, vi

Correct answer: B

Explanation

The correct answer is B because statements i, iii, v, and vi accurately describe use-case testing and its principles. Statement ii is incorrect as use-cases are not typically used for unit testing, and statement iv is misleading because an actor can also represent non-human entities interacting with the system.