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AWS Certified Solutions Architect study material · question 456 of 500

How does S3 multipart upload raise throughput for a large object?

  1. Parts are uploaded in parallel
  2. Parts are compressed before transmission
  3. Parts are written to several Regions at once
  4. Parts bypass the bucket's encryption step
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Answer: A. Parts are uploaded in parallel

Uploading parts in parallel makes use of available bandwidth, and a smaller part size limits how much a network error costs.

Source: Uploading and copying objects using multipart upload in Ama… (Amazon Web Services) — Uploading and copying objects using multipart upload

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