You have been put in charge of configuring several new vApps in your private cloud. Your
company’s security policy dictates users on one project not see the IP addresses used on another
project. Which vCloud Networking and Security feature would you setup to configure this required

IP address isolation?

A.
VXLAN

B.
VPN

C.
Firewall

D.
NAT

Explanation:
http://www.vmware.com/files/pdf/techpaper/VMware-VXLAN-Deployment-Guide.pdf