OMG OMG-OCUP2-FOUND100 Exam With Confidence Using Practice Dumps

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

In UML 2, a class diagram is used to depict the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among the classes. The constraint{age >= 18}in thePersonclass diagram indicates a condition that must hold true for the instances of thePersonclass whenever they are used in the context of aBankAccount. This constraint is an invariant of thePersonclass that specifies the rule for the attributeage.

Now, let's consider the provided options and explain why option B is correct:

A. The preferred age to open a bank account is 18 years old or older – This statement is incorrect because the diagram does not indicate a preference; it indicates a constraint or a rule.

B. Only customers who are 18 years old or older can open a bank account – This is the correct statement. The{age >= 18}constraint next to theageattribute of thePersonclass signifies that any instance ofPersonassociated with aBankAccountmust be at least 18 years old. SincePersonis connected toBankAccountwith the role namecustomer, this implies that only persons who are at least 18 can be customers of a bank account.

C. The age condition should only hold when the setAge(Integer) function is called – This statement is incorrect because the constraint{age >= 18}is not a condition that applies only when thesetAgeoperation is invoked. Instead, it is a class invariant that must always hold true for any instance ofPerson.

D. An object of Customer with age set to 18 or greater will raise an exception – This is incorrect because the UML diagram specifies a constraint, not an exception condition. The constraint ensures validity, not the raising of an exception.

The answer is verified according to the UML 2 Foundation documents, such as the UML 2.5 specification, where class diagrams and constraints are defined. The specification states that constraints are semantic conditions or restrictions expressed in natural language text or in a machine-readable language that must hold true for the system being modeled (UML 2.5 specification, section 7.9).

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