Chapter 1: Exploring the Azure Cloud

1. You can virtualize compute, network, and storage. Of course, at the end of the day you'll still need hardware somewhere in the world to run the hypervisors, and possibly a cloud platform on top of that.
2. In hardware virtualization, everything is transformed into software. In container virtualization, only processes are isolated. You're still using the same kernel and hardware as the host.
3. It depends; do you develop your application on the same platform? PaaS is the service type for you, otherwise use IaaS. SaaS provides an application, it's not a hosting platform.
4. It depends; Azure is compliant with and helps you to comply with legal rules and security/privacy policies. Plus, there is the concept of different regions: if there are concerns about having data in other parts of the world. But there are always exceptions, most of...