Exam 7: Modeling System Requirements With Use Cases

Which of the following is NOT a source mentioned in the textbook for finding potential actors?

A use case is a behaviorally related sequence of steps (a scenario) for the purpose of completing a single business task.

When performing requirements use case modeling, the first step is to identify the business actors.

An actor is anything that needs to interact with the system to exchange information.

In a college course website system if both the instructor and students can submit comments to a discussion thread, a use case diagram might model that with inheritance.

Use case modeling is the process of modeling a system's users and the activities they perform.

Which use case relationship is used to model the relationship between an abstract use case and the original use case?

A constraint on the state of the system after the use case has been successfully executed is called a(n):

A use case diagram graphically depicts the interactions between the system and external systems and users.

List five excellent questions to ask when looking for potential actors.

A motorist stops at a self-service gas station to fill up her car, paying by credit card at the pump. In this use case, who is the primary business actor?

A(n) ____________ is anything that needs to interact with the system to exchange information.

According to Fred Brooks, the hardest single part of building a software system is deciding ________________________________.

Which of the following best describes use cases?

An abstract use case is available for referencing (or use) by any other use case that requires its functionality.