Explanation:
Amazon CloudFront with signed URLs for Amazon S3 is the correct answer because it provides a secure and cost-effective method to distribute firmware updates globally. Signed URLs ensure that only authorized users can download the updates by providing a URL with limited time validity. This approach leverages CloudFront's caching capabilities, reducing the load on the origin and lowering data transfer costs. Options B, C, and D either lead to higher costs, increased complexity, or are not ideally suited for straightforward access control and distribution scenarios.
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Which AWS service configuration is optimal for distributing firmware updates globally with secure, controlled access and minimal cost?
A
Utilizing Amazon CloudFront in conjunction with signed URLs for Amazon S3.
B
Establishing individual Amazon CloudFront Distributions for each customer.
C
Implementing Amazon CloudFront with AWS Lambda@Edge for processing.
D
Employing Amazon API Gateway and AWS Lambda for managing access to an S3 bucket.
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