The 'actor' in an UML use case diagrams:
A)is similar to an external entity on a DFD
B)is similar to a data store on a DFD
C)is similar to a process on a use case
D)is similar to polymorphism
E)is similar to encapsulation

Question

Quizplus · Accepted Answer

The 'actor' in a UML use case diagram represents an external entity, just like an external entity in a DFD. They both interact with the system being modeled, but are not part of the system itself.

The 'Actor' in an UML Use Case Diagrams