This section is based on the list from Microsoft website which is quite accurate to the exam. Refer: https://github.com/AzureMentor/Azure-AZ-900-Study-Guide There are 4 main parts. For each part, I am giving summarised information here to speed up your learning or you can also use them as revision material. Part 1) Cloud Concept This part contains general knowledge about cloud computing e.g. what are the benefits of cloud, the differences types of cloud service offering, and the differences in cloud deployment models. Technological benefits of cloud: High Availability — The major cloud providers (Azure, AWS, GCP) have multiple data centers spread around throughout the world. Data and code stored in the cloud are copied to more than one data center. If anything happens to one data center, the data can be recovered from another data center. Fault Tolerance — In case there is any fault in the application or infrastructure, the service can continue to work by moving the w