Reference: https://docs.microsoft.com/en-us/azure/key-vault/key-vault-whatis Key Vault is a service that allows you to store and manage secrets and keys for your cloud services in a secure and centralized way. It also provides access control, auditing, and encryption features. This would be the best option to automate the management of secrets and keys for all cloud services with minimal effort and low cost. Reference: CompTIA Cloud+ Certification Exam Objectives, Domain 3.0 Maintenance, Objective 3.4 Given a scenario, implement automation and orchestration to optimize cloud operations.