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

Here's a breakdown of why option D is correct and why the other options aren't:

• FlowFinalNode Purpose:In UML activity diagrams, a FlowFinalNode represents a termination point for a specific control flow within an activity. It does not end the activity itself but rather the path along which it is placed.
• Analysis of Other Options:

References

• UML 2.5.1 Specification (Superstructure): Sections on Activity Diagrams, FlowFinalNode. https://www.omg.org/spec/UML/2.5.1/

In UML, a static property is one that belongs to the class itself rather than any instance of the class. In UML diagrams, static properties are denoted by underlining the property name.

Now, let's review the options:

A. There is no UML notation in the diagram that specifies whether the property db is a primary key. Primary keys are a database concept and UML does not have a standard way to denote them.

B. The property db is underlined, which indicates that it is a static property. This is the correct UML notation for depicting a class-level attribute.

C. There is no indication in the diagram that db is inherited from a superclass. Inherited properties typically are not underlined (unless they are also static), and there is no superclass shown in the diagram.

D. Underlining in UML does not signify importance or emphasis by the modeler, it indicates that a property is static.

Therefore, the answer isB: The property db is a static property. This is based on standard UML notation as outlined in the UML 2.5 Specification by the Object Management Group (OMG), which dictates that static members (attributes or operations) are underlined in class diagrams.

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

Pseudostates in UML state machines serve a different purpose than regular states. They are used as markers or waypoints to facilitate complex state transitions. Key distinctions include:

• Transient Nature: Pseudostates do not represent persistent states of an object. They are not associated with entry/exit actions or internal activities like regular states. The state machine immediately transitions through a pseudostate.
• Run-to-Completion Restrictions: A run-to-completion step (the sequence of states and transitions activated by a single event) cannot end in a pseudostate.

Let's analyze why the other options are incorrect:

• Option A (A pseudostate must have an outgoing transition):While most pseudostates have outgoing transitions to guide the flow of the state machine, this is not a strict requirement. For example, the 'terminate' pseudostate signifies the end of a statemachine and thus has no outgoing transitions.
• Option B (An outgoing transition from a pseudostate must always terminate on a regular state):While true in many cases, outgoing transitions can also target other pseudostates for more intricate state machine designs.
• Option D (The outgoing transitions of a pseudostate must have triggers that consist exclusively of guard conditions):Pseudostate transitions can have a mix of triggers, including events, timeouts, and guard conditions.

References:

• UML Specification (Superstructure) Version 2.5.1: Specifically, sections covering statemachines (Chapter 14), pseudostates (Section 14.2.3.8), and run-to-completion steps (Section 14.2.3.13). You can find it on the OMG website: https://www.omg.org/spec/UML/2.5.1

In UML, a filled diamond represents a composite aggregation, also known as a composition. It indicates a whole-part relationship with strong ownership and coincident lifetime of the parts with the whole. Here's what it means in relation to the options provided:

A. This is partially correct. A filled diamond indeed indicates that the Ship instance is responsible for the existence of the associated Person instances, but it is not complete as it does not explicitly state that the Person instances will be deleted when the Ship instance is deleted.

B. This option is the most accurate. A filled diamond represents a composite aggregation, which means that the existence of the Person instances (parts) isdependent on the Ship instance (whole). When the Ship instance is deleted, so are the Person instances it contains.

C. The filled diamond is not a placebo; it has a well-defined meaning in UML, indicating strong ownership and lifecycle dependency between the whole and the part.

D. While the filled diamond does indicate ownership, it specifies more than just an attribute relationship; it indicates that the Ship class has a composition relationship with the Person class. This means that the Ship object contains Person objects as parts of itself, not just as an attribute reference.

E. The filled diamond is connected to the Ship class, not the Person class, so this statement is incorrect. The composition relationship is from Ship to Person, not the other way around.

Based on the UML specification for composite aggregation, the most accurate statement isB: Class Person's existence depends on the ship. It will get deleted when the ship gets deleted. This aligns with the definition of composite aggregation, where the part's lifecycle is dependent on the whole's lifecycle.

The image depicts a state machine with three states labeled "state1" and "state2". Three events,e1,e2, ande3, are shown triggering transitions.

Analyzing the diagram, we can observe that all three events (e1,e2, ande3) are required for the transition from state1 to state2. The events are arranged sequentially, implying a specific order for the transition to occur.

Here's a breakdown of the reasoning for excluding other options:

• Option A (When all of el. e2. and e3 occur in any order) is incorrect because the order of events matters.
• Option B (When any one of the events e1. e2. or e3 occurs) is incorrect because all three events are necessary for the transition.
• Option D (Never, because a transition cannot have more than one trigger) is incorrect because the state machine can transition with multiple triggers, but in this specific case, the order is crucial.

Therefore, based on the visual representation of the state machine, the correct answer is that the transition to state2 happens only when eventse1,e2, ande3occur in precisely the specified order

In UML, when specifying the value of an attribute in an instance specification (which is what each of these boxes represents), the notation used is generally:

attributeName: Type = Value

Looking at each option provided, we see that they are different representations of numerical values for an attribute namedsalaryof typeReal. Here's how to interpret each representation:

A)-salary: Real = “$10,000.00”- This uses a string representation of the number, which is generally not how numerical values are assigned in UML, especially with the explicit typeReal.

B)-salary: Real = $20,000.00- This is more typical for showing a real number in UML, though the dollar sign is not part of the actual numerical value and should not be included.

C)-salary: Real = 30000.00- This is a correct numeric representation of a real number without unnecessary symbols.

D)-salary: Real = 40,000.00- This is also a correct representation and indeed has the highest numeric value among the options provided.

E)-salary: Real = 500 E 02- This is scientific notation, which is also a valid representation of real numbers in UML. The value represented here is 500 * 10^2, which equals 50,000.00.

After examining each option, the correct answer is D. Option D, because the instancefour:Employeehas the highest value properly assigned to asalaryslot according to the standard UML notation. However, there's a point to be clarified: while UML does not specify formatting of numbers with commas for thousands or currency symbols, it does accept scientific notation. So, if we were strictly interpreting the values as real numbers, Option E would represent the highest numerical value. But considering proper UML formatting and assuming the intent is to use standard decimal notation without currency symbols or commas, Option D is the best answer.

The diagram shown is a UML Sequence Diagram, which is used to depict the interaction and order of messages between objects.

In the given diagram, we can see two occurrences of the message 'm' with different parameters (100 and 200), and one occurrence of the message 'p' with the parameter "run".

To determine the minimum number of occurrences that must happen before the reception of 'm(200)', we look at the order of messages:

• The message 'm(100)' must occur.
• The message 'p("run")' must occur after 'm(100)' and before 'm(200)'.

These two occurrences are the minimum necessary before 'm(200)' can be received by the object. The dashed line represents a return message, which does not count as an occurrence for this purpose.

Therefore, the correct answer is:

B. 2