AWS S3 interview questions

21) Who should use S3 Transfer Acceleration?
S3 Transfer Acceleration is designed to optimize transfer speeds from across the world into S3 buckets. If you are uploading to a centralized bucket from geographically dispersed locations, or if you regularly transfer GBs or TBs of data across continents

22) Can I use S3 Transfer Acceleration with multipart uploads?
Yes, S3 Transfer Acceleration supports all bucket level features including multipart uploads.

23) How secure is data in Amazon S3?
Amazon S3 is secure by default. Upon creation, only the resource owners have access to Amazon S3 resources they create. Amazon S3 supports user authentication to control access to data. You can use access control mechanisms such as bucket policies and Access Control Lists (ACLs) to selectively grant permissions to users and groups of users.You can securely upload/download your data to Amazon S3 via SSL endpoints using the HTTPS protocol. If you need extra security you can use the Server-Side Encryption (SSE) option to encrypt data stored at rest.

24) Does Amazon S3 support data access auditing?
Yes, customers can optionally configure an Amazon S3 bucket to create access log records for all requests made against it.

25) What options are there for encrypting data stored on Amazon S3?
We can choose to encrypt data using SSE-S3, SSE-C, SSE-KMS.All four enable you to store sensitive data encrypted at rest in Amazon S3.

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