CLF-C02 - Cloud Technology and Services - Section 3.2
Define the AWS global infrastructure and the relationships among Regions, Availability Zones and edge locations, including when to use multiple Regions.
Define AWS Regions as geographically separate collections of Availability Zones, Availability Zones as isolated data centre clusters within a Region, and edge locations as endpoints for content delivery and DNS. Recognise that deploying across multiple Regions supports disaster recovery and data residency requirements, while multiple Availability Zones deliver high availability within a Region.
AWS RegionsAvailability ZonesEdge locationsMultiple Regions
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