CDPSE · Question #254
Which of the following is the MOST effective use of data flow diagrams when implementing a data privacy compliance program?
The correct answer is A. Illustrating where personal data resides in systems. Data flow diagrams (DFDs) map where data originates, how it moves, who handles it, and where it is stored. For a privacy compliance program, their most effective use is illustrating where personal data resides across systems - this creates the data inventory and mapping that is…
Question
Which of the following is the MOST effective use of data flow diagrams when implementing a data privacy compliance program?
Options
- AIllustrating where personal data resides in systems
- BIdentifying where personal data is in transit
- CProcessing personal data with clarity and ease
- DMapping personal data at rest
How the community answered
(53 responses)- A94% (50)
- B2% (1)
- D4% (2)
Explanation
Data flow diagrams (DFDs) map where data originates, how it moves, who handles it, and where it is stored. For a privacy compliance program, their most effective use is illustrating where personal data resides across systems - this creates the data inventory and mapping that is foundational to compliance (e.g., GDPR Article 30 records of processing). Option B (data in transit) is a subset of what DFDs show, not their primary compliance value. Option C (processing with clarity) describes a benefit of data documentation generally, not a specific use of DFDs. Option D (data at rest) is again only part of the picture. Option A is the most comprehensive and strategically useful application.
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