Remember that Azure keeps on updating their services from time to time. They will add new features of even deploy newer services from time to time.

Refer to the link for all updates to Azure services - https://azure.microsoft.com/en-us/updates/

For services in public preview , you can actually view them from the Azure portal itself. These services are available for review for all customers.

Note that it is not advisable to deploy resources based on these services to your production environment because there would be no SLA attached to these services.

You can view services in private preview - Here you need to request Microsoft to preview these services.

Also keep a note that any services that go out of support , Microsoft will give you at least 12 months of prior notification

You can view these terms via the following link

This is very important from the exam perspective

This is very important from an exam perspective.

Please refer to the following link to see all of the support plan options

Azure normally gives around 99.9% SLA for most of their services

An example for the SLA for Active Directory is given below

Please go to the following link to view the SLA for the various Azure services

To get an idea of the possible total expenses for moving your resources to Azure, you can make use of the Azure Total Cost of

Ownership calculator