Az104 — Availability Zones

o Availability zones are independent physical datacenter locations within a region that include their own power, cooling, and networking.

o By taking availability zones into account when deploying resources, you can protect workloads from datacenter outages while retaining presence in a particular region.

o Services like virtual machines are zonal services and allow you to deploy them to specific zones within a region.

o Other services are zone-redundant services and will replicate across the availability zones in the specific Azure region.

o Both types ensure that within an Azure region there are no single points of failure.