ISTQB CTAL-TTA Exam - Topic 1 Question 51 Discussion

Actual exam question for ISTQB's CTAL-TTA exam

Question #: 51
Topic #: 1

A unit test should be deterministic. Which option correctly describes the meaning of 'deterministic' as a characteristic of a unit test9

SELECT ONE OPTION

AIt should be small so that many tests can be run in a short period of time

BWhenever it is run under the same conditions, it should produce the same results.

Cit should not depend on any other test.

DIt should only test the functionality related to it.

Show Suggested Answer

Suggested Answer: B

A unit test being 'deterministic' means that whenever it is run under the same conditions, it should produce the same results. This characteristic is crucial for reliable, repeatable testing outcomes that are not influenced by external factors or previous test states .

by Ethan at May 27, 2026, 02:48 AM

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