OMG-OCUP2-ADV300 Exam Dumps : OMG Certified UML Professional 2 (OCUP 2) - Advanced Level

A template signature in UML specifies a set of formal parameters that can be substituted by actual parameters when a template is instantiated. This template signature is part of a templateable element, which is the element that can be parameterized using the template mechanism in UML. The template signature defines the formal template parameters that will be replaced by actual values or types when a bound element is created from the template. This concept is detailed in the UML 2.x Superstructure Specification, particularly in the sections describing templates and how they are used to create reusable and customizable model elements.

The correct answer is B, which uses a selection edge to specify task behavior based on task priority. In UML, an object flow with a selection property is used to select objects from a collection according to some criterion, which is typically represented by a Boolean expression. In the case of B, the selection criterion is described as "ordering = the most important first", indicating that tasks are selected to be executed based on their priority.

References:

• UML 2.5 Specification: The UML 2.5 specification describes how selection behaviors can be applied to object flows to filter objects according to specific criteria, such as priority in this scenario.

A stereotype in UML is a powerful extension mechanism that allows developers to tailor UML models for particular domains or platforms. Stereotypes can adapt UML model elements by adding constraints, changing notation, and adding attributes and operations. However, they cannot remove existing constraints from a model element12.

• Notation Change (A): Stereotypes can indeed change the notation of a model element to make it more expressive or domain-specific. For example, a stereotype could be used to visually distinguish between different kinds of classes in a class diagram1.
• Adding Constraints (B): Stereotypes can add new constraints to a model element to specify additional rules or requirements that are not defined by the standard UML1.
• Removing Constraints ©: This is not a capability of stereotypes. Constraints define rules that must be followed, and once they are part of a model element, they cannot be removed by a stereotype. Instead, they are an intrinsic part of the model’s definition1.
• Adding Attributes and Operations (D): Stereotypes can be used to add attributes and operations to a model element, which allows for the specification of additional properties or behaviors that are not part of the standard UML metamodel1.

In summary, while stereotypes are versatile and can extend the capabilities of UML model elements in various ways, they do not have the ability to remove constraints that are already applied to those elements. This is because constraints are consideredfundamental rules that govern the integrity of the model, and removing them would potentially violate the model’s correctness or completeness1.