Microsoft Learn is a carefully planned, comprehensive set of educational resources that lead to certification based on industry-defined roles and the specific skills needed to perform those roles. The roles you can be certified in include Administrator, Developer, Data Engineer, Data Scientist, Business Analyst, Solutions Architect, AI Engineer. Go and start learning: https://docs.microsoft.com/en-us/learn/
The Azure documentation is the most comprehensive and current resource you’ll find. Many of the tutorials in the docs include the ability to launch Cloud Shell alongside the tutorial steps. This new site replaces the old MSDN Library and provides a vastly improved experience.
Microsoft has certification paths for many technical job roles. Each of these certifications consists of passing a series of exams to earn certification. Microsoft certifications are organized into three levels: Fundamental, Associate, and Expert.