Simple Storage Service (S3)

Question 1

By default, when other AWS accounts upload objects to your bucket, the objects remain owned by which account?

Answer 1

By default, when other AWS accounts upload objects to your bucket, the objects remain owned by the uploading account.

Question 2

S3 Object Ownership has two settings: Which are they?

Answer 2

S3 Object Ownership has two settings:

1. Object writer – The uploading account will own the object.
2. Bucket owner preferred – The bucket owner will own the object if the object is uploaded with the bucket-owner-full-control canned ACL.

Question 3

What does Access Analyzer for s3 do?

Answer 3

Access Analyzer for S3 helps review all buckets that have bucket access control lists (ACLs), bucket policies, or access point policies that grant public or shared access.

Question 4

What is S3 Query String Authentication?

Answer 4

Presigned URL

Question 5

On S3, how can you replicate objects created before a replication configuration was in place?

Answer 5

S3 Batch Replication provides you a way to replicate objects that existed before a replication configuration was in place

Question 6

How a subset of S3 objects are replicated?

Answer 6

You identify the object subset by adding a filter in the rule. In the filter, you specify an object key prefix, tags, or a combination of both, to identify the subset of objects that the rule applies to.

Question 7

What are S3 Transfer Acceleration use cases?

Answer 7

Amazon S3 Transfer Acceleration enables fast, easy, and secure transfers of files over long distances between your client and your Amazon S3 bucket.

Question 8

For what encryption mechanisms will a request get rejected by S3 if the connection is not using HTTPS?

Answer 8

SSE-C

Question 9

What do you need to set when you configure a bucket as a public static website?

Answer 9

• disable block public access settings for the bucket
• write a bucket policy that grants public read access.
• If your bucket contains objects that are not owned by the bucket owner, you might also need to add an object access control list (ACL) that grants everyone read access.

Question 10

How can you paginate the results of an S3 List using CLI?

Answer 10

aws s3api list-objects \
    --bucket my-bucket \
    --max-items 100 \
    --starting-token eyJNYXJrZXIiOiBudWxsLCAiYm90b190cnVuY2F0ZV9hbW91bnQiOiAxfQ==
		...