Juan is working as a Security Administrator for a credit card processing company. He is concerned about PCI compliance and so, he uses network segmentation. How does segmentation help Juan?

A.
Segmentation would help prevent viruses.

B.
Segmentation reduces the scope of machines that need to be PCI compliant.

C.
Segmentation is required by PCI regulations.

D.
Segmentation would have no effect.

Explanation:
By segmenting the network, Juan reduces the number of machines that require PCI compliance, and thus makes PCI administration simpler.
Answer option C is incorrect, PCI regulations does not require network segmentation. Answer option D is incorrect. By reducing the scope of network that requires segmentation, it is easier to maintain compliance.
Answer option A is incorrect. Segmentation may slow down the spread of a virus, but the impact of segmentation on viruses is based on what is done in each segment, not the segmentation itself.