Physically separate locations within an Azure region. Each Availability Zone is made up of one or more datacenters equipped with independent power, cooling, and networking. Offer high availability and low latency.

AZ 900 Azure Fundamentals exam tests your knowledge of cloud concepts, Azure services, Azure workloads, security and privacy in Azure, as well as Azure pricing and support. .

Syllabus:
Describe cloud concepts (20-25%)
Describe core Azure services (15-20%)
Describe core solutions and management tools on Azure (10-15%)
Describe general security and network security features (10-15%)
Describe identity, governance, privacy, and compliance features (20-25%)
Describe Azure cost management and Service Level Agreements (10-15%)