How do cardholder data flow diagrams support scoping?
A.They are not related to scoping
B.They are optional for scoping
C.They only show network topology
D.They identify all systems, networks, and processes that handle cardholder data, directly defining what is in scope
Why D is correct
Data flow diagrams trace cardholder data through the environment, identifying every system that stores, processes, or transmits it, which directly defines the CDE scope.
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Where this fits in the PCI DSS exam
Scoping Segmentation
Covers scoping segmentation concepts and practices within PCI DSS.
This question belongs to the "Build & Maintain a Secure Network" domain, which makes up about 20% of the PCI DSS exam.
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