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

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.

The Model-Driven Architecture (MDA) approach is a design methodology that covers the entire software development lifecycle, from requirements to technology implementation. It emphasizes the use of models as the primary artifacts in the development process, allowing for a more abstract and high-level approach to software design. MDA supports the transformation of models from platform-independent models (PIMs) to platform-specific models (PSMs) and ultimately to code, ensuring that the initial requirements are accurately reflected in the final technology implementation.

MDA is not limited to Meta Data Aspects (A) or Design and Architectural Models (B) alone, nor is it primarily about deriving models from Artificial Intelligence Systems (D). Instead, it provides a comprehensive framework that facilitates the creation of software systems by bridging the gap between business requirements and technology solutions.

References:

• An MDA Approach Based on UML and ODM Standards to Support Big Data Analytics1
• Improving Automatic UML2 Profile Generation for MDA Industrial Development2
• Applying 4+1 View Architecture with UML 2

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 ofexisting 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.