Which of the following is an example of a requirements viewpoint?

In the context of business analysis, a requirements viewpoint refers to a perspective or lens through

which requirements are formulated and understood. A use case is an example of a requirements

viewpoint because it represents a sequence of actions, typically involving an actor and a system, to

achieve a goal. Use cases are used to capture functional requirements and describe how users will

interact with a solution. Reference: The BABOK Guide mentions use cases as a tool within the

requirements analysis and design definition, which aligns with the concept of a requirements

viewpoint1.