Business Exam Prep

CAPM Exam Prep 91, Use Cases, Context Diagrams, and Data Flow Diagrams

Business Exam Prep

Show Notes

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.

In this episode you will learn: - A use case describes an actor's goal-oriented interaction with a system, including sequences and alternative paths. - A context diagram provides a high-level view of a system, showing its boundaries and interactions with external entities without revealing internal processes. - A Data Flow Diagram (DFD) maps the internal journey of data through a system's processes, data stores, and transformations. - The key exam trap is confusing the purpose of each diagram: context diagrams for scope, DFDs for internal data movement, and use cases for user interactions. - Use the "Viewpoint" mnemonic: Use Case for User's View, Context Diagram for Outsider's View, and DFD for Insider's View.

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