Box 1: Yes -
A single diagnostic setting can define no more than one of each of the destinations. If you want to send data to more than one of a particular destination type (for example, two different Log Analytics workspaces), then create multiple settings.
Each resource can have up to 5 diagnostic settings.
Note: This diagnostic telemetry can be streamed to one of the following Azure resources for analysis.
* Log Analytics workspace
* Azure Event Hubs
* Azure Storage
Box 2: Yes -
Box 3: Yes -
Reference:
https://docs.microsoft.com/en-us/azure/azure-monitor/essentials/diagnostic-settings https://docs.microsoft.com/en-us/azure/azure-sql/database/metrics-diagnostic-telemetry-logging-streaming-export-configure?tabs=azure-portal
