OMG OMG-OCUP2-ADV300 Exam With Confidence Using Practice Dumps

Protocol State Machines in UML are used to specify the allowable protocol transitions that can be observed in the instances of a classifier. The interpretations that can be defined for protocol state machines are:

• A.Behavioral and protocol are not specific types of interpretations but rather describe aspects of state machines in general.
• B.Declarative and procedural describe styles or approaches to programming or specification, not specific to UML state machine interpretations.
• C.Declarative and executable is the correct answer. Declarative interpretations specify the allowed sequences of events in a state machine, while executable interpretations are concerned with the actual implementation that can be executed by a machine.
• D.Executable and non-executable are distinctions but not specifically pertaining to protocol state machine interpretations alone.

References:

• UML Specification: State Machines chapter, particularly sections on protocol state machines.
• Further details can be found in the UML 2.5 Documentation discussing the differences between different state machine interpretations.

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.

Before the SomeActivity action is executed, the value of "Counter" is not specified in the given diagram fragment; therefore, we cannot assume that it has a value. This leads to the answer C, "It is empty." In UML, unless an initial value is explicitly specified for a variable, it cannot be assumed to have a default value.

References:

• UML 2.5 Specification: The UML specification's section on variables and actions would explain that unless initialized, variables do not have a default value.