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Study Guide for AZ-900
This is my study guide for the Azure 900. I hope that this will help some aspiring developers and techies to get a firmer grasp over these concepts and land your cert. The guide exactly follows the structure of the Microsoft Learning Online Courses, updated in 2021.
Part 1) Cloud Concepts
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 work to other healthy servers.
Disaster Discover — The data in the cloud can also get copied to other regions e.g. copy data from West US to East US. If there is natural disaster happened in West US and every data center goes down, the…
