OMG-OCUP2-FOUND100 Exam Dumps

In UML sequence diagrams, an execution specification is represented by a thin rectangle along a lifeline. It shows where in time the execution takes place, starting with the initiation of an operation or process and ending when that process is complete.

In the interaction diagram provided, we can see an execution specification on the lifeline p1: P that starts after the message corresponding to point 3 is received and ends just before the message corresponding to point 5 is sent. This means the execution specification is bracketed by points 3 and 5.

Points 1 and 2 represent message sends, 1 and 4 could represent a message send and receive for the same message, which doesn't typically represent the full execution specification. Points 2 and 3 don't represent a logical start and end of an execution specification because they're on different lifelines.

Therefore, the correct answer is:

D . 3, 5

Represent the movement of data or objects between activities.

Can support multicast, meaning sending a single token to multiple recipients.

Can support transformation, where input tokens are altered or transformed into different output tokens.

Control Flows

Represent the sequence of execution between activities.

Generally carry control tokens to indicate when the next activity can begin.

Explanation for why Answer B is Correct

Multicast and Transformation:Object flows are specifically designed to handle more complex scenarios with multiple inputs, outputs, and the ability to transform data. Control Flows are focused on the order of execution and don't directly support these capabilities.

Analysis of Other Options:

A . Both object flows and control flows can pass...: While both can carry tokens, the specializations of multicast and transformation are unique to object flows.

C . Only control flows provide additional support...: This is incorrect. As mentioned above, these features are associated with object flows, not control flows.

D . Only object flows may reorder...: This is potentially true, but less central to the main difference between object flows and control flows, which is the ability of object flows to support multicast and transformation.

Reference

UML 2.5.1 Specification (Superstructure): Sections on Activity Diagrams, Object Flow, and Control Flowhttps://www.omg.org/spec/UML/2.5.1/

For projects involving complex and strategic systems, a key advantage of developing models before starting implementation is that models help to establish a consensus among all the project stakeholders. Creating UML models in the early stages of a project provides a visual and conceptual representation of the system that can be easily understood by various stakeholders, including developers, managers, and clients. This facilitates discussions and negotiations about the system's design and functionality, helping to ensure that all parties have a shared understanding and agreement on the project's objectives and solutions before significant resources are invested in implementation.

The provided image depicts a block diagram of a sensor controller represented as a state machine. The state machine transitions between the following states:

Initializing

Calibrating

Ready

Acquiring Data

The question specifies the state machine starts in the Ready state and the acquireData event triggers the transition.

Analyzing the image, we can identify the following behaviors for the scenario:

logStatus: This behavior is depicted in the diagram as the first action upon exiting the Ready state. It most likely logs the current state of the sensor controller.

deploy: The transition from Ready to Acquiring Data triggers thedeploybehavior. This likely involves preparing the sensor for data acquisition.

scanTarget: Upon entering the Acquiring Data state, thescanTargetbehavior is initiated. This suggests the sensor controller is actively collecting data from the target.

Therefore, the complete sequence of behaviors is logStatus, followed by deploy, and lastly scanTarget, before reaching the Acquiring Data state.

Justification for excluding other options:

Option A (deploy only) excludes the initial state logging and target scanning actions.

Option B (logStatus.deploy) excludes the target scanning upon entering the Acquiring Data state.

Option C (deploy, scanTarget) omits the initial state logging.

Option E (logStatus.deploy.scanTarget.logStatus) includes an extralogStatusaction after target scanning, which is not supported by the diagram.

In conclusion, based on the state machine diagram and the behavior descriptions, option D (logStatus.deploy.scanTarget) accurately reflects the sequence of actions that occur before the sensor controller arrives at the Acquiring Data state.

The diagram shows a package Pckg that includes two classes G and H with a one-to-many association between them. The multiplicity '1..5' near class G on the 'gh' association end suggests that for each H object, there should be between 1 to 5 associated G objects. However, the '*' (multiplicity many) near class H on the 'gh' association end indicates that a G object can be associated with zero or more H objects. This implies that it's possible to have a G object that is not associated with any H object.

UML 2.x Superstructure Specification: Multiplicity notations and association rules are clearly defined in the UML specifications, which detail the semantics of multiplicities and their implications for object association.

UML 2.x Infrastructure Specification: Further explains the basic constructs of the UML metamodel, which underpin the interpretation of multiplicities in associations.