A company is in the process of re-architecting its sensitive system infrastructure to take advantage of on-demand computing through a public cloud provider. The system is sensitive with respect to latency, availability, and integrity. The infrastructure team agreed to the following:

- Application and middleware servers will migrate to the cloud - Database servers will remain on-site - Data backup will be stored in the cloud

Which of the following solution would ensure system and security requirements are met?

A. Implement a direct connection from the company to the cloud provider

B. Use a cloud orchestration tool and implement appropriate change control processes

C. Implement a standby database on the cloud using a CASB for data-at-rest security

D. Use multi-zone geographic distribution with satellites relays