Most Recent OMG-OCUP2-ADV300 Exam Questions & Answers

The diagram depicts Electronic Device Kind as a class that requires a set of Certifications (required : Certification[1..*]). This implies that any subclass of Electronic Device Kind must provide a set of required Certifications because the multiplicity [1..*] indicates that at least one Certification is mandatory for each instance of Electronic Device Kind or its subclasses. Therefore, when a subclass is created, it inherits the requirement to specify what Certifications are needed. This is a standard UML generalization, where the subclass inherits the attributes and constraints of its superclass. This interpretation is consistent with the rules defined in the UML 2.x Superstructure Specification, which includes the semantics of class generalization and attribute inheritance.

For question number 50, the correct answer is C: Control tokens are offered on the outgoing Control Flows of the ExceptionHandler. According to the UML 2.5 specification, when an Exception Handler completes its execution, it does not halt the execution of the thread or retain control tokens internally; instead, it passes control tokens along the outgoing Control Flows. This behavior allows the activity to continue processing other behaviors or activities, based on the exception handling outcome.

UML 2.5 Specification: Provides a detailed description of the behavior of Exception Handlers within activity diagrams, including how control tokens are managed upon the completion of an exception handling sequence.

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.

In UML Sequence Diagrams, a 'neg' (negative) combined fragment is used to specify invalid or forbidden interactions. Therefore:

A . Incorrect, because a 'neg' fragment defines an invalid interaction, so following it by normal positive constructs does not affect its interpretation of invalidity.

B . Incorrect, as nesting a 'neg' fragment within another 'neg' fragment does not inherently result in valid traces.

C . Correct. Normal positive constructs followed by a 'neg' fragment define some sequences of interactions as invalid, which is the intended use of the 'neg' fragment.

D . Incorrect, because an 'assert' fragment is used to specify required interactions, and containing a 'neg' fragment within it does not make the invalid traces valid.

UML Specification: Interactions section, particularly the explanation of combined fragments and their meanings.

The negative combined fragment and its semantics are discussed in the UML 2.5 Documentation, under the Sequence Diagrams and Combined Fragments sections.

A MOF (Meta Object Facility) 2.x Model is not always a valid UML (Unified Modeling Language) 2.x Model. The MOF 2.x and UML 2.x serve different purposes and have different scopes of application.While UML is a general-purpose modeling language used to define software systems, MOF is a language for defining metamodels, which can include UML itself1.

The MOF 2.x specification provides the basis for metamodel definition in OMG's (Object Management Group's) family of modeling languages, which includes UML.However, it is based on a simplification of UML 2's class modeling capabilities1.MOF is designed to be simpler, directly implementable, and provides a set of CORBA interfaces for manipulating meta objects2.In contrast, UML is used as a general-purpose modeling language with potentially many implementation targets2.

Therefore, a MOF 2.x Model can be a valid UML 2.x Model when certain limitations are observed, such as adhering to the simplified class modeling capabilities that MOF is based on.This means that while a MOF model can resemble a UML model in terms of visual representation, it is fundamentally a MOF model, and its validity as a UML model depends on the extent to which it conforms to the UML specifications