FAQs on Azure Services from the official docs

A compilation of Frequently Asked Questions on Azure Services from the official documentation:

1. Azure Backup
2. Azure Data Catalog
3. ExpressRoute
4. Azure Data Factory
5. DocumentDB
6. Azure File storage
7. Azure Machine Learning
8. Azure Marketplace
9. Azure Multi-Factor Authentication
10. Azure Notification Hubs
11. Operational Insights
12. Azure Purchase
13. Azure Redis Cache
14. Azure RemoteApp
15. Azure Site Recovery
16. SQL Database Business Continuity
17. Storage 
18. Azure Support
19. Azure Virtual Machines created with the classic deployment model 
20. Virtual Machines Licensing
21. Virtual Network
22. VPN Gateway

work in progress...