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Question 292 - CTFL-2018 discussion

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A holiday club restricts those booking the holiday, to people between the ages of 18 and 30 inclusive.

Using three-point boundary values, what ages would be required to test the lower and upper boundary?

A.
17, 18, 19, 29, 30, 31.
Answers
A.
17, 18, 19, 29, 30, 31.
B.
17, 18, 19, 30, 31, 32.
Answers
B.
17, 18, 19, 30, 31, 32.
C.
18, 19, 20, 28, 29, 30.
Answers
C.
18, 19, 20, 28, 29, 30.
D.
16, 17, 18, 30, 31, 32.
Answers
D.
16, 17, 18, 30, 31, 32.
Suggested answer: A

Explanation:

According to the syllabus, boundary value analysis is a technique that tests the values on and near the boundaries of an equivalence partition. The three-point boundary values are the minimum, just below the minimum, and just above the minimum for the lower boundary, and the maximum, just below the maximum, and just above the maximum for the upper boundary. The answer A is correct because it contains the three-point boundary values for both the lower and upper boundaries of the age range. The other answers are incorrect because they either miss some of the boundary values or include values that are too far from the boundaries.

asked 18/09/2024
Jason Evans
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