When should Veeam ONE utilize a remote Microsoft SQL Server as a backend?
A. When you have a large infrastructure (1000+ virtual machines)
B. When you wish to install Veeam ONE Monitor Client on a separate machine
C. When the policy requires the assurance of multi-user access to real-time performance statistics
D. When you wish to perform an automatic discovery of the backup infrastructure
Correct, A option is right.
“NOTE:
For large-scale deployments (1000+ VMs), is it recommended to use a remote Microsoft SQL Server installation. It is also recommended to run Veeam ONE services on a dedicated server. Such distributed installation will improve performance of Veeam ONE services.”
https://helpcenter.veeam.com/docs/one/deployment/advanced_deployment.html?zoom_highlight=express&ver=110