Advanced S3

Question 1

What are the two kinds of lifecycle rule actions?

Answer 1

1. Transition - Move object from one storage class to another
2. Expiration - Delete object after some time (can be used to delete old versions)

Question 2

What are the two different ways you can define what objects a lifecycle rule applies to?

Answer 2

1. Prefix
2. Object tags

Question 3

What does S3 Storage Class Analysis provide?

Answer 3

Recommendations for moving objects between Standard and Standard IA

Question 4

What are the 3 services that can receive S3 event notifications? What must be created prior to these services receiving these events.

Answer 4

1. SNS
2. SQS
3. Lambda
   A resource policy must be created on the respective resource allowing the S3 bucket to access the resource.

Question 5

By default, which service will receive all S3 events?

Answer 5

Amazon EventBridge

Question 6

How many PUT/COPY/POST/DELETE requests can be made per second per prefix to a bucket?

Answer 6

3500

Question 7

How many GET/HEAD requests can be made per second per prefix to a bucket?

Answer 7

5500W

Question 8

What is a method to increase upload speed to an S3 bucket?

Answer 8

Use S3 Transfer Acceleration which works by transferring the file to an AWS edge location which will then forward the data to the S3 bucket in the target region

Question 9

What is a method to increase download speed from an S3 bucket?

Answer 9

Use S3 Byte-Range fetches in parallel and construct the file on the client side

Question 10

What must a user-defined metadata begin with?

Answer 10

x-amz-meta

Question 11

Between object tags and user-defined metadata, which should you use when trying to define fine-grained permissions or performing analytics?

Answer 11

Object tags

Question 12

True or false: Object tags and metadata are searchable.

Answer 12

False, instead you must create an external DB like DynamoDB to act as a search index