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Question 66 - CTFL4 discussion

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A software calculates the annual car tax using three inputs:

- E; the emission level of the vehicle

- P: the power of the vehicle

-T the type of the vehicle

The input value for P can be integer positive values between 15 and 350.

Which of the following answers contains a correct list of a boundary values for the P input?

A.
14,351
Answers
A.
14,351
B.
14,15,350,351
Answers
B.
14,15,350,351
C.
15,350
Answers
C.
15,350
D.
5.175.500
Answers
D.
5.175.500
Suggested answer: B

Explanation:

A correct list of boundary values for the P input should include the minimum and maximum values of the valid range (15 and 350), as well as the values just below and above the boundaries (14 and 351). Boundary value analysis is a test design technique that involves testing the values at or near the boundaries of an input domain or output range, as these values are more likely to cause errors than values in the middle. Option B satisfies this condition, as it has all four boundary values (14, 15, 350, 351). Option A has only two boundary values (14 and 351), option C has only two boundary values (15 and 350), and option D has no boundary values at all. Verified

Reference:A Study Guide to the ISTQB Foundation Level 2018 Syllabus - Springer, page 34.

asked 18/09/2024
Sae Frrr
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