OMG-OCUP2-FOUND100 Exam Dumps - OMG Certified UML Professional 2 (OCUP 2) - Foundation Level

State machines are ideal for modeling systems or objects that exhibit distinct states and transitions between them based on events or conditions. Let's analyze why option D is the best fit and why others are less suitable:

• D - Transitions in a Physical System:The transitions between different states of matter (ice, water, steam) are governed by well-defined conditions (changes in temperature and pressure). State machines can effectively represent these states and the rules governing the changes between them.
• Other Options:

References:

• UML Specification (Superstructure) Version 2.5.1: The section on state machines is a primary reference for their capabilities (https://www.omg.org/spec/UML/2.5.1).
• Modeling Guides: Various resources on UML modeling techniques often provide insights into when different diagram types are most appropriate.

In UML 2, a structured class can have internal parts, which are depicted using 'parts' or 'roles' within the class diagram. These internal parts are used to show the composition of the class in terms of contained classes or components. In the context of the question, the structured class named 'System' contains two parts named 'Subsystem1' and 'Subsystem2'.

Option C is the equivalent definition of 'System' in terms of UML 2 notation for several reasons:

• It represents the structured class 'System' with internal parts correctly labeled as 's1:Subsystem1' and 's2:Subsystem2-[ ]', which indicates the role names 's1' and 's2' followed by the class type 'Subsystem1' and 'Subsystem2' respectively. The notation '1..*' after 's2:Subsystem2-[ ]' suggests a multiplicity, meaning that there can be one or many instances of 'Subsystem2' associated with 'System'.
• The compartmentalization within the structured class is indicative of the composition of the 'System', showing that 'Subsystem1' and 'Subsystem2' are integral parts of the 'System'.
• The notation conforms to the standard UML 2 representation for composite structures, as described in the UML 2 Superstructure Specification, where a class can be broken down into its constituent parts within the class rectangle.

This information is verified against the UML 2 Superstructure Specification, which is the authoritative source for UML notation and semantics. Particularly, this aligns with section 9.3.5 on Composite Structures Diagrams, which details the graphical notation for parts and roles within a structured class.

To represent an instance of a class in a UML Object Diagram, the standard notation is to specify the instance name followed by a colon and the class name, and then list the attribute values within the compartment.

The class definition forCompanyspecifies that there is one attribute,name, of typeString.

An instance ofCompanywhere thenameattribute has the value "OMG" would be shown as follows:

InstanceName :ClassNameattributeName=attributeValue

In the provided options, Option D correctly represents an instance of theCompanyclass with thenameattribute set to "OMG". The name of the instance is not specified, which is allowed in UML when the instance name is not important or is understood from the context.

Thus, the correct answer is:

D. Option D