Which of the following is defined as an environment composed of one or more data centers?
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Correct answer: Availability Zone.
Why this is the answer
An Availability Zone is a distinct location within an AWS Region that is engineered to be isolated from failures in other Availability Zones. It consists of one or more discrete data centers, each with redundant power, networking, and connectivity. This design ensures high availability and fault tolerance for applications and services running in AWS. Amazon CloudFront is a content delivery network (CDN) service, not a physical location. A VPC (Virtual Private Cloud) is a virtual network dedicated to your AWS account, not a physical environment. AWS Outposts extends AWS infrastructure and services to on-premises locations, but it is not defined as an environment composed of one or more data centers within an AWS Region.
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