Azure is Microsoft’s fastest-growing large cloud platform. This exam is about basic concepts of Azure cloud and hence a good start for those who are new in the Azure world. AZ 900 is not an easy exam to pass even though it is a fundamental exam. This exam tests your foundational level information of cloud concepts and Azure administrations. People from technical and non-technical can prepare for this exam and can validate their Azure Cloud services skills and makes you competent enough for the next Azure role-based certifications.

https://www.dotnettricks.com/learn/azure/what-is-az-900-exam-microsoft-azure-fundamentals