What is a requirement of NSX Data Security?

A.
NSX manager must be configured for Active Directory integration

B.
The Global Flow Collection Status must be set to Enabled

C.
Guest Introspection must be installed on the cluster

D.
AN IP Pool must be created.

Explanation:
http://pubs.vmware.com/NSX-61/index.jsp?topic=%2Fcom.vmware.nsx.install.doc%2FGUID-
62B22E0C-ABAC-42D8-93AA-BDFCD0A43FEA.html