## AZ-900
What is cloud computing?
[Wikipedia](https://en.wikipedia.org/wiki/Cloud_computing): "Cloud computing is the on-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user"
What types of clouds (or cloud deployments) are there?
* Public - Cloud services sharing computing resources among multiple customers
* Private - Cloud services having computing resources limited to specific customer or organization, managed by third party or organizations itself
* Hybrid - Combination of public and private clouds