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CTFL18 · Question #443
CTFL18 Question #443: Real Exam Question with Answer & Explanation
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Question
A software application is supposed to calculate square root of all integers from 1 to 32767. The tester divides the input into valid and invalid equivalence classes. Valid equivalence class: 1- 32767, invalid: all negative numbers, all numbers > 32767, all non-integers etc. However, when square root for all numbers in the valid equivalence class was calculated, it was found that for 3 number, the results were incorrect. These number were not the boundary values. Which of the following is correct?
Options
- AIt is sometimes possible to find that some values in equivalence class do not behave in the same
- BThe tester should always try all possible.
- CIt is practically impossible for values in an equivalence class to behave in different manner.
- DThe tester chose equivalence classes incorrectly.
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