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AWS Certified Solutions Architect - Professional · AWS
Select 3 answers.
This question asks for 3 answers, but our data marks only 1. Compare with the community discussion below for the full answer.
Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.
You store the maintenance page in S3 (A), configure it as a secondary origin in the existing CloudFront distribution with an OAI for secure access (C), and switch the default cache behavior to use the S3 origin during maintenance (D). This avoids creating a new distribution and ensures visitors see the maintenance page instead of an error.
From the given options ACD makes the most sense. In real life the CloudFront feature to show custom error responses might make a lot more sense: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/GeneratingCustomErrorResponses.html#custom-error-pages-procedure This would avoid the manual steps and by that is less prone to human errors.
A, C and D is correct.