QUESTION: 33

Choose the correct answer :
What does a lower multiplicity of one for an end of an n-ary Association imply?

Links combining the values of the other ends may exist or may not exist
Exactly one link exists combining the values of the other ends.
A link for every possible combination of values for the other ends must exist.
Links combining the values of one or many other ends may exist.

Answer(s): A

Explanation:

In UML, the multiplicity of an association end specifies how many instances of the class at that end can participate in a single association. A lower multiplicity of one (1) at one end of an n-ary (where n > 2) association implies that there must be at least one link that combines the values of the other ends, but it doesn't require that a link exists for every possible combination. Therefore, it's possible for some combinations to exist as links, while others do not, which is indicated by the option that links combining the values of the other ends may exist or may not exist. This interpretation is consistent with the definition of multiplicity in associations as outlined in the UML 2.x Superstructure Specification.

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QUESTION: 34

Choose the correct answer :
A modeler wants to develop a customization for a standard UML tool that provides the ability to specify CORBA physical Components.
Which approach should the modeler use?

Create a profile for the CORBA component technologies and apply it to the model.
Create a MOF metamodel for the CORBA component technology and add It to the UML metamodel.
Create CORBA component instances that can be used as Parts in a composite structure compartment.
Create a set of execution semantic definitions for the CORBA component assembly Connectors and apply them to the model.

Answer(s): A

Explanation:

To provide the ability to specify CORBA physical components within a UML tool, the most appropriate approach is to create a UML profile that includes stereotypes, tagged values, and constraints that reflect the characteristics and requirements of CORBA components. Applying this profile to a UML model would extend the semantics of UML to support CORBA-specific concepts without modifying the UML metamodel itself. This approach allows the modeler to leverage the existing UML tooling while incorporating the additional semantics required for CORBA components. This practice is supported by the extensibility mechanisms provided by UML, as described in the UML 2.x Superstructure Specification, which outlines how to create and apply profiles.

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QUESTION: 35

Choose the correct answer :
What should a modeler do lo represent specific hardware environments In a deployment model?

Create a profile with the applicable details
Create an instance of a deployment manifest with the applicable details
Create an instance of a deployment specification with the applicable details.
Create a mapping between the logical hardware description and the physical hardware description with the applicable details.

Answer(s): A

Explanation:

To represent specific hardware environments in a deployment model, a modeler should create a UML profile that includes the necessary hardware stereotypes with applicable details. A profile allows the modeler to extend the standard UML metamodel to include domain-specific elements that can be applied to deployment models. These stereotypes can represent different types of hardware components and their attributes, which can then be used to model the physical aspects of the deployment environment. The creation and application of profiles are supported by the UML 2.x Superstructure Specification, which details how to tailor UML to particular domains or platforms using profiles.

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QUESTION: 36

Choose the correct answer : Consider the following definition:

Which statement is correct about elements referred to in the illustration?

mycar is a classifier.
rear is a property of Wheel.
frontleft must have a void type.
wheels is a property of Vehicle.

Answer(s): D

Explanation:

In the diagram, "mycarVehicle" represents a class that likely encapsulates the concept of a vehicle within the system being modeled. The elements within "mycarVehicle" are properties that represent different parts of the car. The term "wheels" is not explicitly shown in the diagram, but based on UML conventions and the context provided, it would be a property of the Vehicle class. This property would likely be associated with the "frontleft" and "frontrightwheels" parts of the car. In UML, properties represent structural features of a class that hold data values or references to other objects. The correctness of this answer is consistent with the principles found in the UML 2.x Superstructure Specification regarding the structural features of classes.

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QUESTION: 33

Explanation:

QUESTION: 34

Explanation:

QUESTION: 35

Explanation:

QUESTION: 36

Explanation: