Exam CTAL-TTA Topic 1 Question 130 Discussion

Actual exam question for ISTQB's CTAL-TTA exam
Question #: 130
Topic #: 1
Which of the following statements is true regarding API and GUI testing?

Suggested Answer: A Vote an answer

API testing tends to focus on individual inputs more than combinations of inputs. This is because APIs, as the intermediary layers of software, often handle specific types of data input and output rather than user interaction sequences. GUI testing, on the other hand, involves testing the interface with which the user interacts, which frequently includes testing various combinations of user inputs and sequences to simulate actual user scenarios. Thus, GUI testing typically requires checking the integration and behavior of elements in combination to ensure they work together as expected in a user environment .

by Muriel at Nov 06, 2025, 12:12 AM

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