S3 lifecycle configuration

Question 1

What is a lifecycle configuration in S3?

Answer 1

It is a set of rules that consists of actions on a bucket or groups of objects.

Question 2

What are transition actions based on?

Answer 2

Rules

Question 3

What are expiration actions?

Answer 3

Deletion of objects or versions after a period of time

Question 4

What is the main purpose of using expiration actions?

Answer 4

Bucket optimization and cost optimization

Question 5

Can you move objects from class to class based on how often they are used?

Answer 5

No, this can only be achieved with S3 intelling-tiering

Question 6

A common use of lifecycle configuration:

Answer 6

You can move objects from Standard storage to infrequent access class after some time of not being accessed.
Move objects from infrequent access to Glacier or Glacier Deep archive after not being accessed
Delete objects from Glacier after some time.

Question 7

How do objects flow when using S3 lifecycle configurations?

Answer 7

Objects must flow downwards, they can’t flow in the reverse direction

Question 8

What versions can S3 lifecycle affect?

Answer 8

Transitions can affect current version, previous versions of an item or both.

Question 9

What is the main use of expiration actions?

Answer 9

Purge previous versions of an object after X days of no usage to keep costs down.

Question 10

What is a transition action?

Answer 10

The action of changing the storage class over time