Modeling

5 minutes 5 Questions

Modeling is another key concept in Agile Modeling. It involves the creation and use of models (i.e., representations of concepts, systems, or information) to assist in the visualization and control of a software development project. These models are often visual and can include diagrams such as use…

Guide to PMI-ACP AM Modeling in Exams

What is Modeling?
Modeling in Project Management involves creating a representation of complex systems to perform various analyses and to generate predictions. It plays a crucial role in Agile methodologies used by PMI-ACP (Project Management Institute - Agile Certified Practitioner) where it assists in simplifying complex project scenarios, enabling more effective decision making.

Why is Modelng in PMI-ACP important?
Modeling is integral in PMI-ACP's Agile methodology for understanding the intricacies of a project, which thereupon facilitates effective planning, client communication, risk management, and overall project performance. It aids Agile teams in visualizing project aspects more clearly, thus dynamically tailoring their strategies.

How does Modeling in PMI-ACP work?
Modeling in PMI-ACP involves utilizing a variety of modeling techniques including but not limited to, Use Case modeling, User Story Mapping, Business Process Modeling, etc. By creating conceptual models, teams can understand, explore, and communicate project intricacies more effectively.

Exam Tips: Answering Questions on Modeling
1. Understand the Basics: Ensure you have a firm understanding of what modeling is, its importance, and techniques in Agile Methodology.
2. Analyze Scenarios Judiciously: Most exam questions will be scenario-based; understand the situation, and think about which modeling technique applies best.
3. Practice: Use mock questions to practice applying your knowledge. Remember, the real understanding comes from applying the concepts, not only memorizing them.

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PMI-ACP - Modeling Example Questions

Test your knowledge of Modeling

Question 1

You have a robust model for your new service which has been well documented. However, you are worried that the implementation phase might diverge from the initial model. Which Agile modeling technique should you follow?

Follow Test-First Design to base the model on the system's passed test cases Use Agile Model Driven Development to always keep model and code aligned Use Interface-Driven Architecture to implement according to the user interface Implement Constant Refactoring to revise the model itself

Correct Answer: Use Agile Model Driven Development to always keep model and code aligned

The best Agile modeling technique to ensure that the implementation phase does not diverge from the initial model is to 'Use Agile Model Driven Development to always keep model and code aligned'. Agile Model Driven Development, or AMDD, is an approach to modeling and documentation that is intended to be agile and hence flexible enough to accommodate changes along the line, while also retaining sufficient structure to guide the development process effectively. By aligning the model and code concurrently, it reduces the risk of divergence during the implementation phase. 'Test-First Design' is a primarily a testing methodology, not a modeling technique, and wouldn't necessarily prevent divergence from the initial model during implementation. 'Interface-Driven Architecture' is focused on UI, and doesn't directly guarantee alignment between a model and its implementation. Finally, 'Constant Refactoring' implies frequent revision of the model itself, which isn't the ideal strategy when the concern is about sticking to the original, well-documented model.

Question 2

As a Scrum Master in an Agile project, your team is developing a financial application with a lot of business rules and processes. You want to ensure that the team has a shared understanding of these rules and knows where they apply. Which Agile modeling technique would support you in this?

Interface mock ups Business process modeling Decision trees State diagrams

Correct Answer: Business process modeling

The best Agile modeling technique in this scenario would be 'Business process modeling'. This method is leveraged in projects that have complex business rules and processes like a financial application. With this technique, the team can clearly understand and visualize the business processes, and know when and where to apply the rules, thereby avoiding any confusion and ensuring successful execution. On the other hand, 'State diagrams' mainly depict the state transitions of different objects, 'Decision trees' are primarily used to support decision making providing an analytical approach, and 'Interface mock ups' are models of the graphical user interfaces, none of which would efficiently help in understanding business rules and processes in the context of the given scenario.

Question 3

As an Agile Project Manager, you're facilitating a brainstorming session. The discussion is getting very creative, but it seems hard for the team to visualize the big picture. Which modeling technique would best capture different viewpoints and keep the team aligned?

Use case modeling Mind mapping Data flow diagrams Prototyping

Correct Answer: Mind mapping

The correct answer is 'Mind mapping'. During a brainstorming session in Agile project management, it's important to visualize ideas and show how different viewpoints are connected. A mind map is a diagram that can effectively display this. Other options aren't as effective for this task. 'Data flow diagrams' are more suited to showing the flow of information in a system, not creative ideas generated in a brainstorming session. 'Use case modeling' is focused on identifying and describing a system's functionality relating to specific user actions - it's not primarily used for capturing different viewpoints in a discussion. 'Prototyping' is a great technique for creating a tangible representation of a concept, but it doesn't serve well to visualize and connect varied viewpoints during brainstorming.

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