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SAP-C02 Practice Question 66: Multi Region Access Point Media

AWS Certified Solutions Architect – Professional (SAP-C02) · Test 7 · question 6 of 10

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A media company stores customer uploads in an Amazon S3 bucket in us-east-1. Customers in Europe report slow uploads and downloads. The company wants a single global endpoint that applications can use for both reads and writes, that serves each request from the closest Region, and that lets operators shift traffic away from a Region within minutes if it is disrupted.

Which solution meets these requirements?

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Answer:

  • A. Create an S3 Multi-Region Access Point over buckets in us-east-1 and eu-west-1, with replication between them

Amazon S3 Multi-Region Access Points provide *"a global endpoint that applications can use to fulfill requests from S3 buckets that are located in multiple AWS Regions."* Requests are routed over the AWS global network *"to the closest proximity S3 bucket with an active routing status,"* and *"if a Regional traffic disruption occurs, you can use Multi-Region Access Points failover controls to shift the S3 data request traffic between AWS Regions ... within minutes."* You use S3 Cross-Region Replication rules to synchronize data among the buckets (option A).

- B is wrong because CloudFront caches reads and can help uploads, but the data still lives in one bucket in us-east-1, with no copy in another Region and no failover controls for that bucket. - C is wrong because two buckets behind DNS are not kept in sync unless replication is set up separately, and DNS routing gives no controls to shift S3 traffic away from a Region within minutes. - D is wrong because Transfer Acceleration speeds up transfers to one bucket in one Region. All data is still stored and served from us-east-1, and there is no failover.

Reference: Managing multi-Region traffic with Multi-Region Access Points

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