A customer uses Azure Cognitive Search.
The customer plans to enable a server-side encryption and use customer-managed keys (CMK) stored in Azure.
What are three implications of the planned change? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.

A. The index size will increase. B. Query times will increase. C. A self-signed X.509 certificate is required. D. The index size will decrease. E. Query times will decrease. F. Azure Key Vault is required.