Which of the following statements best describes a Use Case?

Question

BlackTom AI · Accepted Answer

When tackling the concept question, the first step is to restate what is provided and what is missing to frame the analysis clearly.
The question asks: Which statement best describes a Use Case?
The available answer option is: "A Use Case represents behaviour which when performed is of value to one or more actors".
Option evaluation begins with understanding what a Use Case is in common practice: a Use Case models a specific sequence of interactions between an actor (or external system) and a system to achieve a goal of value. It focuses on the observable behavior of the system from the perspective of a user or actor, describing how the system should behave to fulfill meaningful results for someone outside the system boundary.
Now, examining the provided option: it asserts that a Use Case represents behaviour that, when performed, is of value to one or more actors. This aligns with the core purpose of a Use Case by emphasizing value delivery to actors and the system’s behavior in achieving a goal. The phrasing captures the typical emphasis on observable interactions and stakeholder benefit; this matches standard definitions found in use case literature.
With no additional answer choices to compare, we can still assess the reasoning quality: the statement correctly centers on behaviour (the sequence of steps or interactions) and the value to actors, which is the essence of a Use Case. It does not claim extraneous or inaccurate scope, such as focusing on internal design details, non-valued tasks, or abstract system internals, which would be inconsistent with Use Case intent.
If there were other options, we would contrast them by checking whether they:
- Describe internal implementation details rather than user-visible behavior (incorrect for Use Case definitions).
- Imply value to non-actors or to the system itself without stakeholder benefit (misaligned with Use Case goals).
- Confuse Use Case with broader requirements or with non-functional specifications (overly broad or misclassified).
- Fail to reference actors or observable interactions (undermines the Use Case focus).
In the absence of competing choices, the given statement stands as a reasonable, purpose-aligned description of a Use Case, emphasizing the interaction-driven behavior that yields value to actors.
Note: If there were any ambiguity or if the wording subtly implied something different (for example, focusing solely on system internal processes or performance metrics without actor value), that would raise questions about its completeness. Here, the wording emphasizes both behavior and value to actors, which is coherent with standard Use Case practice.
Overall, the statement provided captures the essence of what a Use Case represents: a behavior sequence that delivers value to one or more actors through interactions with the system.

FIT2001_S1_2025 Applied Quiz Practice for Exam (Weeks 2-12) - Questions are by topics

Which of the following statements best describes a Use Case?

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