Users on other continents upload large files to an S3 bucket and experience slow, unreliable transfers over the public internet. Which feature improves upload speed by routing through the AWS edge network?
A) S3 Transfer Acceleration.
B) Amazon CloudFront with the bucket as origin.
C) S3 Cross-Region Replication.
D) A larger EC2 instance in the bucket’s region.
Correct Answer: A
Explanation: S3 Transfer Acceleration routes uploads through the nearest CloudFront edge location and over the optimized AWS backbone to the bucket, improving long-distance upload speed and reliability. (B) CloudFront accelerates downloads/reads. (C) replication copies existing objects. (D) instance size is unrelated to S3 transfer.