A global app allows anyone to upload videos from their mobile phones. All uploads go over the public internet to an S3 bucket located in us-east-1 for processing. Users who are physically far from us-east-1 experience slow uploads and often cancel. Which approach will speed uploads for users who are geographically distant from the bucket?
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Correct answer: Enable S3 Transfer Acceleration for the bucket and have the mobile app upload via the S3 Transfer Acceleration endpoint..
Why this is the answer
S3 Transfer Acceleration utilizes Amazon CloudFront's globally distributed edge locations to speed up uploads to S3 buckets. When enabled, data is routed to the nearest edge location and then transferred to the S3 bucket over an optimized network path, significantly reducing latency for distant users. Creating regional S3 Access Points would not directly improve upload speeds over the public internet; Access Points are for managing access to S3 buckets within specific VPCs or networks, not for accelerating public internet transfers. S3 Select is for querying data within S3 objects, not for accelerating uploads. Creating public Network Load Balancers (NLBs) targeting the S3 bucket is not a standard or effective method for accelerating S3 uploads; NLBs distribute traffic to targets within a VPC, and S3 is a managed service with its own upload mechanisms.
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