discuss in 500 words

Topic 1:

Using the Web or other resources, do a bit of research on the methodologies that Microsoft Windows firewall uses. Consider the strengths and weaknesses of that approach.

Topic 2:

in 500 words or more, explain PCI compliance to the database administrator at a large retailer. Consider the consequences for non-compliance. 

Cite your sources. Do not copy. Write in essay format not in bulleted, numbered or other list format.