SOA-C02 Question #281: Real Exam Question with Answer & Explanation

Question

A company uploaded its website files to an Amazon S3 bucket that has S3 Versioning enabled. The company uses an Amazon CloudFront distribution with the S3 bucket as the origin. The company recently modified the tiles, but the object names remained the same. Users report that old content is still appearing on the website. How should a SysOps administrator remediate this issue?

Options

• ACreate a CloudFront invalidation, and add the path of the updated files.
• BCreate a CloudFront signed URL to update each object immediately.
• CConfigure an S3 origin access identity (OAI) to display only the updated files to users.
• DDisable S3 Versioning on the S3 bucket so that the updated files can replace the old files.

Explanation

By default, CloudFront caches a response from Amazon S3 for 24 hours (Default TTL of 86,400 seconds). If your request lands at an edge location that served the Amazon S3 response within 24 hours, then CloudFront uses the cached response. This happens even if you updated the content in Amazon S3. Use one of the following ways to push the updated Amazon S3 content from CloudFront: Invalidate the Amazon S3 objects. Use object versioning https://aws.amazon.com/premiumsupport/knowledge-center/cloudfront-serving-outdated-content-

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