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Exam CT-TAE topic 1 question 86 discussion

Actual exam question from ISTQB's CT-TAE
Question #: 86
Topic #: 1
[All CT-TAE Questions]

Which of the following is a characteristic of a SUT that has been designed for testability?

  • A. Interfaces that could be used to change or control the SUT are protected and not accessible.
  • B. Interfaces between components are masked so that results can be viewed but inputs cannot be altered.
  • C. Interfaces in the form of stubs are included in the production code that can be used by the test automation to exercise error states.
  • D. Interfaces are provided that allow the test automation to check the system behavior that results from a tested stimulus.
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Suggested Answer: D 🗳️
by issoChan at Feb. 16, 2024, 11:56 a.m.

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issoChan
5 months ago
In fact, including stubs directly in production code might not always be considered good practice, as it can introduce complexity and potential maintenance issues. Stubs are typically used in testing environments or as part of test doubles to simulate the behavior of external dependencies or components, NOT in production. So C is incorrect. D is correct
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