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OMG-OCUP2-ADV300 Exam - Topic 7 Question 45 Discussion

Choose the correct answer:Consider the following diagram fragment:Which statement is correct?
A) The set named 'b' is contained in a set named 'part'.
B) The set named 'b' has one subset, that contains the parts of B.
C) The property 'subsets part' specifies that b only partially defines A
D) The constraint limits the elements of b to be from a predefined set of parts

OMG-OCUP2-ADV300 Exam - Topic 7 Question 45 Discussion

Actual exam question for OMG's OMG-OCUP2-ADV300 exam
Question #: 45
Topic #: 7
[All OMG-OCUP2-ADV300 Questions]

Choose the correct answer:

Consider the following diagram fragment:

Which statement is correct?

Show Suggested Answer Hide Answer
Suggested Answer: A

In UML, the {subsets} keyword is used to indicate that one property is a subset of another property. In the provided diagram fragment, the association end -b {subsets part} indicates that the property b on class A is a subset of the property part on class B. This means that the elements associated with A through b are contained within the larger set associated with B through part. This kind of relationship is typically used in more complex class models where a part-whole hierarchy is represented, and it allows the model to show that certain associations are more specific subsets of a more general association. This usage is explained in the UML 2.x Superstructure Specification, where the semantics of association subsets are defined.


by Christa at May 07, 2026, 07:20 PM

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Tammara
4 days ago
B is confusing too.
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Bethanie
9 days ago
A seems too broad.
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Raylene
14 days ago
I’m leaning towards A.
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Jesus
20 days ago
I agree with Mauricio.
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Mauricio
25 days ago
It limits elements of b.
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Barabara
30 days ago
Why D?
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Mauricio
1 month ago
I think option D is correct.
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Tammara
1 month ago
This question is tricky.
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Yuriko
2 months ago
Totally agree with D, constraints are key here!
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Luisa
2 months ago
Wait, how can b only partially define A? That seems off.
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Willard
2 months ago
B is definitely not accurate.
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Sherron
2 months ago
I think D is the correct one.
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Lizette
2 months ago
A looks right to me.
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Dante
2 months ago
I feel like I might be mixing up the terms; I thought "subsets" meant something different than what’s described in option C.
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Jodi
4 months ago
Option D sounds plausible since constraints often limit elements, but I need to double-check the definitions.
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Willard
4 months ago
I remember practicing a question similar to this where subsets were involved, but I can't recall the specifics.
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Lina
4 months ago
I think option A might be correct, but I'm not entirely sure how to interpret "contained in" in this context.
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