Exam 9: Requirements Modeling: Scenario- Based Methods

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List the types of models that might be used in requirements modeling and explain the role of each type of model

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-Scenario-based (system from the user's point of view)
-Data (shows how data are transformed inside the system)
-Class-oriented (defines objects,attributes,and relationships)
-Flow-oriented (shows how data are transformed inside the system)
-Behavioral (show the impact of events on the system states)

Which UML (unified modeling language)diagrams are useful in scenario-based modeling?

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-use-case diagrams
-activitiy diagrams
-swimlane diagrams

What questions should be asked to help refine a preliminary use case?.

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-Can an actor take some other action at this point?
-Is it possible that the actor will encounter some error condition at this point?
-Is it possible the actor will encounter some other behavior at this point?

Describe the purposes of domain analysis.

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