The exam covers various topics such as understanding cloud concepts, core Azure services, security and privacy in Azure, pricing and support options, and more. It tests your understanding of these topics through multiple-choice questions. To succeed in the Az-900 exam, it is crucial to have a clear understanding of each objective covered in the exam blueprint. This includes knowing the different types of cloud models (public, private, hybrid), key features of Azure services like virtual machines and storage accounts, how to secure data in Azure using encryption methods and access control mechanisms.