Test

Question 1

Presigned URL is signed under which account?

Answer 1

Pre-signed URL is signed under the account who has created URL

Question 2

What are two types of replications in S3

Answer 2

Single Region replication Cross Region replication

Question 3

What two things do before you configure replication

Answer 3

You must enable version both at Source and Destination

You also need a IAM role who will do copy of data between

Question 4

What kind of replication is available in S3 and what are the limitations

Answer 4

It is async replication
and the Limitations are

1. Deletion operation not replicated
2. Only new objects get replicated
3. There is no chaining of replication e.g. transitive replication

Question 5

Can you replicate S3 buckets in different region

Answer 5

Yes

Question 6

How can you encrypt the traffic

Answer 6

using KMS

Question 7

What are potential two uses of Pre-signed URLs

Answer 7

1. Allow 3rd party to upload files to S3 buckets

2. Allow users to download link for premium content

Question 8

Which two methods are available to create download and upload Presigned URL?

Answer 8

To download - CMDLINE method To upload - SDK is required

Question 9

What is the default Presigned URL Timeout

Answer 9

3600

Question 10

What are the required parameter but not document steps for configuring presigned URL?

Answer 10

region parameter is required. You also need s3v4 version. This step required is for encryption

Question 11

Where to enable S3 Access logs

Answer 11

Under properties.

Server Access logging

Question 12

How can you read S3 Access logs

Answer 12

Athena or data analytic tool

Question 13

Why you need S3 Access logs

Answer 13

Purely for auditing

Question 14

What I should not do in S3 Access log configuration

Answer 14

Attached the S3 Access to the same Bucket which you wish to monitor. Avoid loop