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OMG-OCUP2-ADV300 Exam - Topic 9 Question 50 Discussion

Choose the correct answer:Which statement is correct about StateMachme Redefinition?
D) StateMachine Redefinition is a necessary capability in UML because UML allows modelers to specialize Classifiers and their Behavior definitions.
A) UML has no concept or discussion of StateMachine Redefinition.
B) StateMachine Redefinition is the act of altering an existing StateMachine to support new States or new Events.
C) When a modeler corrects typographical errors or removes inappropriate States in their StateMachine, they are redefining that StateMachine.

OMG-OCUP2-ADV300 Exam - Topic 9 Question 50 Discussion

Actual exam question for OMG's OMG-OCUP2-ADV300 exam
Question #: 50
Topic #: 9
[All OMG-OCUP2-ADV300 Questions]

Choose the correct answer:

Which statement is correct about StateMachme Redefinition?

Show Suggested Answer Hide Answer
Suggested Answer: D

StateMachine Redefinition in UML allows for the specialization of a StateMachine by a derived Classifier. This is crucial as it ties into the broader capability of UML to specialize behaviors and classifiers:

A is incorrect; UML does discuss StateMachine Redefinition.

B describes one aspect of redefinition but is too narrow as it omits that redefinition can also redefine transitions and internal behaviors, not just states or events.

C describes more of an error correction or revision process, which is not specifically what StateMachine Redefinition is about.

D captures the essence of StateMachine Redefinition, emphasizing that it is a necessary extension of UML's capabilities to allow for specialization and refinement of classifiers and their behaviors.


UML Specification, Section on StateMachines

StateMachine Redefinition is further elaborated in UML 2.5 Documentation under the Behavior StateMachines sections.

by Cassi at Jul 15, 2026, 04:38 PM

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Devora
11 days ago
But D also sounds good. Specializing Classifiers is important in UML.
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Hubert
16 days ago
I agree, B seems accurate. New States and Events are crucial.
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Hannah
21 days ago
I think B is the right choice. It makes sense to alter existing StateMachines.
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Darrin
26 days ago
Totally agree with B, it’s all about adapting to new needs!
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Kaycee
1 month ago
Wait, are we sure about C? That sounds a bit sketchy.
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Christoper
1 month ago
A seems way off, UML has a lot on StateMachines.
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Lynette
1 month ago
I think D makes a good point too.
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Lore
2 months ago
B is definitely the right choice!
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Blondell
2 months ago
Option D seems right to me since we talked about how UML supports specialization, but I’m not 100% confident.
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Theodora
2 months ago
I’m a bit confused about option C; I thought correcting errors was just maintenance, not really redefinition.
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Levi
2 months ago
I think option B sounds familiar because we practiced questions about altering StateMachines to add new States or Events.
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Carlee
2 months ago
I remember discussing StateMachine Redefinition in class, but I'm not entirely sure if UML really has no concept of it.
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