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Free OMG-OCUP2-FOUND100 Exam Braindumps (page: 3)

Page 2 of 23
PDF with 90 Questions

Choose the correct answer :

Why are abstractions in a model helpful?

  1. Abstractions add the full detail to the model.
  2. Abstractions can express or suppress detail as needed.
  3. Abstractions can be taken out and the model still makes sense.
  4. Abstractions are not helpful, but rather a distraction in models.

Answer(s): B

Explanation:

Abstractions in a model are helpful because they can express or suppress detail as needed. This capability is essential in managing complexity in a model by focusing on the high-level, essential aspects of the system while omitting or simplifying the less critical details. This selective detail management aids in understanding and analyzing the system's core functionality without getting overwhelmed by its intricacies. Abstractions facilitate clearer communication, more focused analysis, and more efficient system design by highlighting the most relevant aspects of the system in various contexts.



Choose the correct answer : Which technique does Abstraction incorporate?

  1. agile modeling
  2. information hiding
  3. complexity coupling
  4. context-driven decision making

Answer(s): B

Explanation:

Abstraction in UML and software modeling often incorporates the technique of information hiding. Information hiding is a principle that supports abstraction by ensuring that unnecessary details about software components are not exposed to other parts of the system. This encapsulation strengthens modularity and keeps various parts of the program independent of one another, which simplifies complexity in large systems. Abstraction and information hiding are closely related; abstraction focuses on the high-level structure of the system, while information hiding protects the internal states and functionality of components, allowing changes without extensive impact on other system parts.



Choose the correct answer :

What is the defining characteristic of a domain model?

  1. It is a model that is specified using UML diagrams.
  2. It is a model that focuses on the domain requirements of the system
  3. It is a model that captures the main domain concepts and their relationships.
  4. It is a model that represents the domain architecture of the implementation of the system.

Answer(s): C

Explanation:

A domain model's defining characteristic is that it captures the main domain concepts and their relationships. This model focuses on representing the key elements within the problem domain, outlining how these elements interact with each other without detailing the specific implementations. The domain model is an essential tool in software development for understanding and communicating the fundamental structure of the system from a problem domain perspective, helping teams to design solutions that are well-aligned with actual domain needs. UML is often used to represent domain models due to its capability to visually and clearly model complex relationships and structures.



Choose the correct answer :

Which characteristic should apply to any useful model?

  1. It is specified in UML.
  2. It is platform independent.
  3. It abstracts away irrelevant detail.
  4. It is specified using a visual notation.

Answer(s): C

Explanation:

A key characteristic that should apply to any useful model, including those created with UML, is that it abstracts away irrelevant details. This abstraction is crucial for managing complexity by focusing on the essential aspects of the system that are relevant to the current perspective or analysis task. By removing unnecessary information, the model remains understandable and manageable, even as the underlying system grows in complexity. This principle helps maintain a clear and concise representation of the system, enabling stakeholders to focus on strategic decisions without being overwhelmed by details.






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