When does a third-party service provider's environment become part of the organization's PCI DSS scope?
A.Never, service providers are always separate
B.Only if they are not PCI DSS certified
C.When the provider stores, processes, or transmits cardholder data on the organization's behalf or could impact CDE security
D.Only for payment processors
Why C is correct
Service providers that handle cardholder data or could impact CDE security are part of the organization's PCI DSS scope, though they may validate their own compliance separately.
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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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