What is an advantage of using a brownfield infrastructure?

An organization wants to back up the cloud management platform components in the cloud. While performing research, the cloud architect discovers that some of the components must be quiesced.
Why is quiescing necessary?

As a cloud architect you are working with an organization to choose between a DIY or packaged PaaS Solution.
What is a selection criterion that applies to DIY?

What is a primary function of a Cloud Management Platform (CMP)?

As a cloud architect, you are designing a CI solution to handle workload outages without affecting performance levels.
What should you design for?