Which vCloud feature will you use to do this?

Your manager tells you, “We need the ability to non-disruptively adjust our clients’ resource
capacity based on their business growth.” Which vCloud feature will you use to do this?

A.
Organization vDC

B.
Fast Provisioning

C.
Service Catalog

D.
vCloud APIs

Explanation:
http://www.vmware.com/files/pdf/VMware-Architecting-vCloud-WP.pdf