What are the three types of Cisco Validated Designs?

What are the three types of Cisco Validated Designs?

A.
Cisco Unity Design Guides, Application Deployment Guides, and System Assurance
Guides

B.
Design Guides, Application Deployment Guides, and Dynamic Multipoint VPN Design
Guides

C.
Design Guides, System Assurance Guides, and Wireless Network Security Design
Guides

D.
Design Guides, Application Deployment Guides, and System Assurance Guides