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A disaster recovery strategy on AWS should be based on launching infrastructure in a separate:
A
Subnet
B
AWS Region
C
AWS edge location
D
Amazon Virtual Private Cloud (Amazon VPC)
Explanation:
The correct answer is B (AWS Region) because disaster recovery strategies on AWS are designed to provide geographic separation and redundancy by deploying infrastructure in different AWS Regions. This ensures business continuity in case of regional failures or disasters. AWS Regions are physically separate geographic locations that contain multiple Availability Zones, providing the highest level of fault tolerance and disaster recovery capability. Subnets (A) and VPCs (D) are within the same region and don't provide sufficient geographic separation. AWS edge locations (C) are used for content delivery through CloudFront but are not designed for disaster recovery infrastructure deployment.