Which statement best describes an Availability Zone?a)A separate geographical location with multiple locations that are isolated from each otherb)A site that Amazon CloudFront uses to cache copies of content for faster delivery to users at any locationc)A server from which Amazon CloudFront gets your filesd)A fully isolated portion of the AWS global infrastructure
Question
Which statement best describes an Availability Zone?a)A separate geographical location with multiple locations that are isolated from each otherb)A site that Amazon CloudFront uses to cache copies of content for faster delivery to users at any locationc)A server from which Amazon CloudFront gets your filesd)A fully isolated portion of the AWS global infrastructure
Solution
The statement that best describes an Availability Zone is: "A fully isolated portion of the AWS global infrastructure".
Here's why:
An Availability Zone (AZ) in AWS terminology is a fully isolated portion of the AWS infrastructure. It is a physical location where AWS has data centers. Each AZ is made up of one or more data centers equipped with redundant power, networking, and cooling. These AZs are designed to be isolated from failures in other AZs, to provide inexpensive, low-latency network connectivity to other AZs in the same region, and to provide a high degree of operational fault tolerance.
So, the other options do not accurately describe an Availability Zone.
Option a) is incorrect because an Availability Zone is not a separate geographical location with multiple locations. It is a part of a region within AWS infrastructure.
Option b) is incorrect because it describes a function of Amazon CloudFront, not an Availability Zone.
Option c) is also incorrect because it describes a function of Amazon CloudFront, not an Availability Zone.
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