What is the most common technology used for network segmentation in PCI DSS?
A.Password policies, which Requirement 12.1.2 requires to be reviewed at least once every twelve months and updated when the environment or risks change
B.Anti-malware software, which Requirement 5.3.2 requires to perform periodic scans or continuous behavioural analysis of the systems it protects
C.Firewalls and access control lists that restrict traffic between network segments
D.Encryption
Why C is correct
Firewalls and ACLs are the primary technologies for network segmentation, controlling traffic flow between the CDE and other network segments.
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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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When does a third-party service provider's environment become part of the organization's PCI DSS scope?