Create Data Flow Diagram Illustrate Systems Interact Customer Data Passed System S Includi Q34258268

Create a data flow diagram to illustrate how systems willinteract with the customer and how the data are passed through thesystem(s), including how the data will reside in the system ofrecord. Explain the data flow diagram in regard to the key controlsin place to address protection of personal identifiable information(PPII)

Expert Answer

Data Flow Diagram :-

Data Flow diagram is a simple visual representation of the flowof information within a system.to showcase how systems interactwith the customers, we will take the example of a Supermarketapplication.

The data Flow diagram will consist hierarchy of the followingelements:-

1. Context Diagram (conceptually level zero)
2. Level -1 Data Flow
3. Level-2 DFD
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