Debug a Windows Azure application

You will be deploying your application in Windows Azure. You know that you need to include logging, but you have some concerns. What diagnostic capabilities can Windows Azure support? (Choose all that apply)

The capability to send entries to the Windows Azure diagnostics system from within your application
The capability to retain logs from your custom logging solution on a Windows Azure storage account
The capability to retain logs from your custom logging solution when written to a local store
The capability to turn on and off different aspects of the Windows Azure diagnostics through configuration changes