A weather service hosts frequently updated high-resolution weather maps and static HTML in an S3 bucket in eu-west-1 and fronts the site with CloudFront. After expanding to serve users in us-east-1, users there sometimes experience slow map loading. Which combination of steps will resolve the us-east-1 performance issues? (Choose two.)
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Correct answer: Create a new S3 bucket in us-east-1, and configure S3 cross-Region replication from the eu-west-1 bucket to the us-east-1 bucket., Use Lambda@Edge to modify requests from North America so they use the S3 bucket in us-east-1..
Why this is the answer
To resolve slow map loading for us-east-1 users, replicating the data closer to them is key. Creating a new S3 bucket in us-east-1 and configuring S3 cross-Region replication from eu-west-1 ensures the high-resolution maps are stored geographically closer to the us-east-1 users, reducing latency. Then, using Lambda@Edge to modify requests from North America to directly access this new us-east-1 S3 bucket ensures those users benefit from the localized data. Configuring Global Accelerator directly to an S3 bucket isn't a standard or efficient pattern for S3 content delivery, and S3 Transfer Acceleration is for uploads, not serving content. Configuring Global Accelerator as a CloudFront origin would add complexity without directly addressing the data proximity issue for S3 content.
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