In use case modeling, an actor represents a specific instance of a class in the system.Select one:TrueFalse

Use cases are graphical representations that describe the flow of events in a system from the perspective of an external actor.True or False?Select one:TrueFalse

Which of the following statements is applicable to an Actor in a Use Case Diagram?Select one:An actor specifies a role played by a user or an external system that interacts with the system being depictedAn actor is a person who is actively involved in the design of the systemAn actor can be placed inside the system boundary to show that it belongs to the systemEach actor in a Use Case Diagram can interact with only one Use Case

What is the relationship between a use case and an actor in a use case diagram?a.Dependencyb.Associationc.Aggregationd.Inheritance

Which of the following is not an element of use caseQuestion 2Select one:a.Actorb.Post-conditionc.Named.Relatione.Extension

In a use case model, what does each use case represent? Select all that apply. There are 3 correct answers. Group of answer choices A feature done on behalf of an actor Relationships between different parts of the system Internal systems Navigation between different parts of the system Something the system can do External systems A case (scenario) for which the system will be used