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

In UML, an Object Diagram is a type of static structure diagram that shows a snapshot of the detailed state of a system at a point in time. It focuses on some particular set of objects and attributes, and the links between them. When it comes to the number of instances that can be represented in an Object Diagram, it can range from zero (in cases where the diagram is used to show that no instances of a class exist under certain conditions) to many instances. Therefore, an Object Diagram can show 0 instances, 1 instance, or many instances, which is represented by the multiplicity notation 0..*.

Therefore, the correct answer is:

D. 0..*

In UML sequence diagrams, a signal is typically represented as an asynchronous message without a return value. Asynchronous messages are often denoted with an open arrowhead, and they can represent the sending of a signal.

Looking at the diagram provided, 'p' is sent from 'v2[C]' to 'v3[B]' with an open arrowhead, which indicates that it is an asynchronous message. This fits the common representation of a signal, as it does not expect a response.

'A', 'B', and 'C' do not represent signals in the context of a sequence diagram: A) 'v' is not shown in the diagram; it might refer to a lifeline, which is not a signal. B) 'B' refers to a class or object type and not a message or signal. C) 'm' is represented as a synchronous message (as it has a return arrow), which is not typical for signals.

Therefore, the correct answer is:

D. p

In UML, when you need to reference an element from another package while inside a different package, you use the qualified name. A qualified name includes the package name followed by two colons and then the element name. This ensures that the reference is clear and unambiguous, especially when different packages may have elements with the same name.

The correct syntax for referring to elementOneof PackageP1from inside PackageP2isP1::One, where::is the scope resolution operator used to separate the package name from the element name.

Therefore, the correct answer is:

D. P1::One