Which two statements describe how Cisco Validated Designs help to build BOM faster? ( Choose two)

A.
CVDs are used by Cisco Architects to preparation process.

B.
Include BOM tools that simplify the BOM preparation process.

C.
Cross- architectural aspects assist with proper design.

D.
Proven, tested designs ensure BOM will not change frequently.

E.
Focus on one architecture to make the solution and the BOM less complex.