As a Cisco Network Engineer, you have to master the knowledge of the Cisco validated Design (CVD) program. Which three of the following descriptions are appropriate about the CVD program?（） (Choose three.)

A. It incorporates a narrow range of technologies and products.
B. It facilitates faster and more reliable customer deployments.
C. It extends the value of designs through a sustained development plan.
D. It incorporates products and technologies into enterprise, service provider, and commercial systems.