
Explanation:
Box 1: storage3 only
Storage Account must be in the same Region as the Recovery Services Vault.
Box 2: Analytics1, Analytics2, and Analytics3
Set up one or more Log Analytics workspaces to store your Backup reporting data. The location and subscription where this Log Analytics workspace can be created is independent of the location and subscription where your Vaults exist..
Reference:
https://docs.microsoft.com/en-us/azure/backup/configure-reports#1-create-a-log-analytics-workspace-or-use-an-existing-one