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OMG Exam OMG-OCUP2-ADV300 Topic 8 Question 24 Discussion

Actual exam question for OMG's OMG-OCUP2-ADV300 exam
Question #: 24
Topic #: 8
[All OMG-OCUP2-ADV300 Questions]

Choose the correct answer:

Can State Machine Events have Features?

Show Suggested Answer Hide Answer
Suggested Answer: C

State Machine Events in UML are triggers for transitions and do not classify as objects or classifiers; thus they do not inherently have features:

A . Incorrect, because State Machine Events are not treated as classifiers with features.

B . Incorrect, though it hints at an extended use case, State Machine Events do not extend classifiers in standard UML usage.

C . Correct, State Machine Events are not Classifiers and therefore cannot have features such as properties or operations.

D . Incorrect, because UML State Machines certainly have an Event concept, but these Events are not classified as having features.


UML Specification: State Machine chapter, specifically sections discussing the nature of events and triggers.

Further insights can be found in the event and trigger management sections of the UML 2.5 Documentation.

Contribute your Thoughts:

Latia
6 days ago
Wait, State Machine Events can have Features? I thought they were just for triggering transitions. This UML stuff is getting too complicated for me.
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Rusty
7 days ago
Option D, really? UML State Machines definitely have an Event concept. This question is way too easy.
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Wai
9 days ago
I'm going to have to go with option C. State Machine Events are not Classifiers, so they can't have Features. This seems like a pretty straightforward question.
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Vanesa
30 days ago
I'm not sure, but I think the answer is C.
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Nickole
1 months ago
Hmm, I think option B is the correct answer. State Machine Events can have Features, but only if they extend Classifier. The UML standard is pretty clear on this.
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Rex
9 days ago
I believe option C is the correct answer. State Machine Events cannot have Features because they are not Classifiers.
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Peter
13 days ago
I think option A is the correct answer. State Machine Events can have Features without extending Classifier.
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Willodean
14 days ago
I agree with you, option B is the correct answer. State Machine Events can have Features if they extend Classifier.
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Dino
1 months ago
I disagree, I believe the answer is A.
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Celestina
1 months ago
I think the answer is B.
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Kenia
1 months ago
I'm pretty sure State Machine Events can have Features, but I'm not sure about the details. The UML spec should have more information on this.
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Kenneth
4 days ago
Good idea. It's always best to refer to the official documentation.
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Felix
6 days ago
That makes sense. I'll check the UML spec for more details.
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Kati
6 days ago
Good idea. It's always best to refer to the official documentation.
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Vincent
7 days ago
That makes sense. I'll check the UML spec for more details.
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Belen
15 days ago
Yes, they can. But only when the modeled Events also extend Classifier.
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Aleta
20 days ago
I think State Machine Events can have Features.
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Jules
24 days ago
Yes, they can. but only when the modeled Events also extend Classifier.
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Daniel
25 days ago
I think State Machine Events can have Features.
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