What should be included in the design to address these concerns?

An architect is designing the compute resource pools for a cloud. As part of the deliverables, the architect has included the standard specifications for the physical servers to be used. The organization has provided estimates for future growth but has concerns about whether these estimates are accurate.

What should be included in the design to address these concerns?
A . A monitoring application and procedures for pool expansion
B . A chargeback application and orchestration workflows to auto-scale pools
C . A metering application and orchestration workflows to auto-scale pools
D . A configuration management application and procedures for pool expansion

Answer: A