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OMG OMG-OCUP2-ADV300 Exam Prep
OMG Certified UML Professional 2 (OCUP 2) - Advanced Level (Page 9 )

Updated On: 4-Sep-2026
Page 3 of 19
PDF with 90 Questions

Choose the correct answer :
What does the UML specification say about choosing between a MOF-based metamodel and a UML profile?

  1. It is not always clear when to use one approach over the other; this decision must be domain- specific
  2. It is always good to opt for metamodeling when the metamodel is large and the domain is inherently complex such as the database domain.
  3. Since UML extends MOF. it is always preferable to start by extending MOF and. if this turns out to be complex, then shift to extending UML.
  4. Extending UML should be favored because of the fact that there are several tools that support UML profiling, which is not the case for MOF.

Answer(s): A

Explanation:

The UML (Unified Modeling Language) specification, which is a part of the MOF (Meta-Object Facility) framework, suggests that the choice between creating a MOF-based metamodel and a UML profile depends on the specific needs of the domain being modeled. A MOF-based metamodel might be more appropriate for domains that require defining a completely new set of modeling concepts, whereas a UML profile is suitable for domains where the extension of existing UML concepts is sufficient. Since the specification recognizes the variability in modeling requirements across different domains, it emphasizes the importance of understanding the domain to make an informed decision on the modeling approach. The UML specification, therefore, does not prescribe a one-size-fits-all solution but rather leaves the decision to the modeler, based on the domain-specific requirements.



Choose the correct answer :
Consider the following diagram fragment:



What is the signature of the class template List?

  1. List
  2. T[0..n]
  3. The ordered set {T. n: Integer}
  4. <T -> Customer, n -> 2000> or <T -> Order, n - >10000>

Answer(s): C

Explanation:

The class template List shown in the diagram fragment is a parametrized class with two template parameters: T and n. The signature of the class template includes both of these parameters. The template parameter T represents a type that can be bound to a specific class when the template is instantiated, while n represents an integer value that specifies the multiplicity of elements that can be contained in the list. Therefore, the signature of the class template List is the ordered set {T, n:
Integer}, which includes both the type parameter T and the integer parameter n indicating the maximum number of elements the list can hold.



Choose the correct answer :
Consider the following profile:



Which statement is true?

  1. Each instance of Class must be linked to exactly one instance of DisplayArea, Frame, or Form.
  2. Each instance of Class must be linked to at most one instance of DisplayArea. Frame, or Form.
  3. Each instance of Class must be linked to exactly one instance of DisplayArea. Frame, and Form.
  4. Instances of Class or its subclasses do not have to be linked to instances of DisplayArea. Frame, or Form.
  5. The diagram is incorrect because a required extension cannot be applied to a stereotype inheritance hierarchy.

Answer(s): D

Explanation:

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.



Choose the correct answer :
Which statement is correct about working with multiple profiles?

  1. The only way to integrate profiles is to merge them into one big profile
  2. Only profiles that represent the same domain can be integrated together.
  3. A profile can reuse all or parts of another profile, and extend other profiles.
  4. A profile can reuse all or parts of another profile, but cannot extend other profiles.

Answer(s): C

Explanation:

In UML, profiles are mechanisms to extend the UML for a specific domain or purpose. The UML specification allows for one profile to reuse or import elements from another profile. This enables modularity and encourages reusability of profile elements across different domains. Additionally, one profile may extend the stereotypes or metaclasses defined in another profile, which allows for the creation of layered profiles where each layer adds its own specificities. This is a common practice in software and systems modeling to cater to different aspects of a system within separate profiles, which are then integrated to form a comprehensive model. The capability to reuse and extend profiles is defined in the UML 2.x Superstructure Specification, which gives guidelines on how to define and use profiles within UML.



Choose the correct answer :
Which interpretation is valid when NamedElement A is the Supplier in a specialized Dependency having NamedElement B as the Client, and a Comment indicates that A and B participate in a transformation?

  1. B is the transformation Realization of
  2. A is the transformation Realization of
  3. A depends on B.
  4. A and B are part of an economic system where A consumes what B transforms.

Answer(s): C

Explanation:

In UML, a Dependency is a relationship that signifies that one NamedElement, the client, depends on another NamedElement, the supplier, meaning that a change in the supplier could affect the client. If NamedElement A is the supplier and NamedElement B is the client in a Dependency relationship, and there is a Comment indicating that both participate in a transformation, the interpretation is that B (the client) depends on A (the supplier) for that transformation. The comment does not necessarily change the nature of the Dependency relationship; it simply adds additional information about the nature of their interaction. A transformation could mean that B transforms A's supplied element in some way, but in terms of UML Dependency relationships, it would still be interpreted as "A depends on B" or "B requires A for its transformation". This interpretation aligns with the UML 2.x Infrastructure and Superstructure specifications, which explain Dependencies and their meanings within the UML metamodel.



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