Question at position 20 Which type of testing is done without any knowledge of the internal code or structure of the system?White Box TestingCode Coverage TestingBlack Box TestingUnit Testing

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BlackTom AI · Accepted Answer

When considering testing approaches, we evaluate what each method requires in terms of knowledge about the system's internals.
Option 1: White Box Testing. This approach relies on knowledge of the internal code, logic, and structure of the system, and testers design tests based on code paths, branches, and internal data flows. Since the prompt specifies testing without internal knowledge, this option is not appropriate.
Option 2: Code Coverage Testing. This term typically refers to measuring what portion of the code is executed by tests, which inherently presumes some visibility into the codebase to assess coverage. It is not about testing without internal knowledge; instead, it complements white-box strategies by focusing on coverage metrics.
Option 3: Black Box Testing. This method tests the system from an external perspective, treating the software as a "black box" with no exposure to its internal workings. Testers validate functionality, inputs, outputs, and behavior without accessing or relying on internal code structure, making this the alignment with the prompt.
Option 4: Unit Testing. Unit testing targets individual components or functions within the code and requires familiarity with the internal implementation to write precise, granular tests. It is clearly not conducted without knowledge of the internals.
In summary, the description in the prompt matches a testing approach that operates without looking inside the code, rather than approaches that require code-level insight or internal details.

Question at position 20 Which type of testing is done without any knowledge of the internal code or structure of the system?White Box TestingCode Coverage TestingBlack Box TestingUnit Testing

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