OMG-OCUP2-ADV300 Exam - Topic 1 Question 32 Discussion

Actual exam question for OMG's OMG-OCUP2-ADV300 exam

Question #: 32
Topic #: 1

[All OMG-OCUP2-ADV300 Questions]

Choose the correct answer:

Consider the following profile:

Which statement is true?

AEach instance of Class must be linked to exactly one instance of DisplayArea, Frame, or Form.

BEach instance of Class must be linked to at most one instance of DisplayArea. Frame, or Form.

CEach instance of Class must be linked to exactly one instance of DisplayArea. Frame, and Form.

DInstances of Class or its subclasses do not have to be linked to instances of DisplayArea. Frame, or Form.

EThe diagram is incorrect because a required extension cannot be applied to a stereotype inheritance hierarchy.

Show Suggested Answer

Suggested Answer: D

The UML diagram fragment provided shows a UML profile with a required extension from the metaclass Class to the stereotype DisplayArea, which in turn has two subclasses Frame and Form. The use of {required} indicates that whenever an instance of Class is extended by the DisplayArea stereotype, it becomes mandatory to do so. However, this does not enforce that every instance of Class must be linked to DisplayArea or its subclasses (Frame or Form). It only means that if the DisplayArea stereotype is applied, it is required. Therefore, there is no obligation for every instance of Class or its subclasses to be stereotyped as DisplayArea, Frame, or Form. It's also worth noting that the last option (E) could be considered true in some interpretations of UML, but given the options provided and common UML practices, option D is more accurate.

by Ranee at May 03, 2025, 05:26 PM

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Val

2 months ago

B seems plausible too, but I'm not sure.

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Art

2 months ago

Wait, is the diagram really incorrect?

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Zena

2 months ago

I think option A is correct.

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Shenika

3 months ago

I agree, A makes the most sense here!

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Francoise

3 months ago

Definitely not, I lean towards D.

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Lavera

3 months ago

I vaguely recall something about required extensions and stereotypes, so option E might be worth considering, but I'm not completely confident about that.

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Devorah

3 months ago

I feel like option D might be the answer since it suggests that instances don't have to be linked at all, which could make sense in some contexts.

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Evette

4 months ago

I'm not entirely sure, but I remember a practice question that discussed linking instances, and I think option B could also be valid since it says "at most one."

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Nilsa

4 months ago

I think option A sounds right because it mentions that each instance must be linked to one of those components, which seems to align with what we studied about associations.

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Sherron

4 months ago

I've got a good feeling about this one. The diagram seems straightforward, and I think I can eliminate a few of the options pretty quickly.

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Janey

4 months ago

I'm a bit confused by the wording of the answer choices. I'll need to read them closely and make sure I understand the nuances of each one.

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Buddy

4 months ago

Okay, let me think this through step-by-step. The question is asking about the relationship between Class and the other elements, so I'll need to focus on that.

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Tarra

5 months ago

The diagram shows a relationship between Class, DisplayArea, Frame, and Form, so I'll need to understand the cardinality of those relationships to answer this.

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Paris

5 months ago

Hmm, this looks like a tricky one. I'll need to carefully analyze the diagram and the answer choices to determine the correct statement.

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Teresita

8 months ago

Wait, is this a trick question? The diagram looks like it was drawn by a toddler. I bet the real answer is E - the whole thing is just wrong.

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Shawnna

8 months ago

I'm just going to close my eyes and pick an answer. These questions are like a game of Clue - you never know what's going to happen!

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Thurman

7 months ago

Good luck with your choice! I'm going with D) Instances of Class or its subclasses do not have to be linked to instances of DisplayArea, Frame, or Form.

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Vilma

7 months ago

D) Instances of Class or its subclasses do not have to be linked to instances of DisplayArea, Frame, or Form.

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Chaya

7 months ago

I think it's A) Each instance of Class must be linked to exactly one instance of DisplayArea, Frame, or Form.

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Mollie

8 months ago

A) Each instance of Class must be linked to exactly one instance of DisplayArea, Frame, or Form.

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Nicolette

8 months ago

D seems like the best option to me. Why would we need to link every Class to a DisplayArea, Frame, and Form? That seems unnecessary.

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Nickolas

8 months ago

Yes, D makes the most sense in this scenario.

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Freeman

8 months ago

I think D is the correct answer as well.

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Emmett

8 months ago

I agree, D seems like the most logical choice.

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Gabriele

9 months ago

I think D is correct because instances of Class or its subclasses do not have to be linked to instances of DisplayArea, Frame, or Form.

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Lilli

9 months ago

Ugh, these UML diagrams always confuse me. I'm going to guess C just to be safe.

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Alyce

8 months ago

I agree with you, it's definitely not C.

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Justine

9 months ago

I'm pretty sure it's D, not C.

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Ressie

9 months ago

I think it's actually A, not C.

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Goldie

9 months ago

Why do you think D is the correct answer?

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Gabriele

10 months ago

I disagree, I believe the correct answer is D.

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Goldie

10 months ago

I think the correct answer is A.

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Mozell

10 months ago

I think the correct answer is B. Each instance of Class must be linked to at most one instance of DisplayArea, Frame, or Form. It makes the most sense based on the diagram.

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Aja

9 months ago

I agree with you, B seems to be the most logical choice based on the diagram.

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Meaghan

9 months ago

I believe the correct answer is A. Each instance of Class must be linked to exactly one instance of DisplayArea, Frame, or Form.

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Doyle

9 months ago

I think the correct answer is B. Each instance of Class must be linked to at most one instance of DisplayArea, Frame, or Form.

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