Amazon S3 Introduction

Question 1

What are Amazon S3 use cases?

Answer 1

Question 2

What are S3 Buckets?

Answer 2

Question 3

Is S3 a global or regional service?

Answer 3

It is a regional service

Question 4

What are S3 Objects? And what is the key to an object?

Answer 4

Question 5

What is the Key of an Object in S3?

Answer 5

Question 6

What are the parts of a Key of an Object in S3?

Answer 6

Question 7

What is the Value of an Object in S3? And what is the maximum size allowed?

Answer 7

Question 8

What is the Metadata of an Object in S3?

Answer 8

Question 9

What are the types of security available in S3?

Answer 9

Question 10

What are the three types of resource-based (bucket) security available in S3?

Answer 10

Question 11

What are the conditions where an IAM principal can access an object in S3?

Answer 11

Question 12

Is encryption available in S3?

Answer 12

Question 13

What are S3 Bucket Policies?

Answer 13

Question 14

What are the reasons to create an S3 Bucket Policy?

Answer 14

Question 15

How would you give public access to a Bucket in S3?

Answer 15

First change the bucket settings to unblock public access to the bucket

Then create a bucket policy to allow s3:GetObject access to everyone for all objects in the bucket (add “/*” after the ARN)

Question 16

How would you give an IAM user access to a bucket in S3?

Answer 16

Question 17

How would you give a EC2 instance access to a bucket in S3?

Answer 17

Question 18

How would you give an IAM user in another account (cross-account) access to a bucket in S3?

Answer 18

Question 19

What are the bucket settings to block public access in S3?

Answer 19

Question 20

How can S3 be used to host a static website?

Answer 20

Question 21

What is bucket versioning in S3?

Answer 21

Question 22

If bucket versioning is not enabled in S3, what is the version of an object?

Answer 22

null

Question 23

If you suspend bucket versioning in S3, what happens to the object versions?

Answer 23

They are not deleted

Question 24

What are the options for replication in S3?

Answer 24

Question 25

What must be done in order to enable replication in S3?

Answer 25

Must enable Versioning in source and destination buckets

Must give proper IAM permissions to S3

NOTE: After you enable Replication, only new objects are replicated

Question 26

Is replication in S3 sync or async?

Answer 26

Async

Question 27

Can you replicate across accounts in S3?

Answer 27

Yes

Question 28

What are the use cases for replication in S3?

Answer 28

Question 29

How can you replicate existing objects in S3?

Answer 29

Question 30

How does replication in S3 work with DELETES?

Answer 30

Question 31

Can you chain replication in S3?

Answer 31

Question 32

What are the Storage Classes in S3?

Answer 32

Question 33

How can you change the storage class in S3?

Answer 33

Question 34

What is the durability of S3?

Answer 34

Question 35

What is the availability of S3?

Answer 35

Question 36

What is “S3 Standard - General Purpose” storage class in S3?

Answer 36

Question 37

What is “S3 Standard - Infrequent Access” storage classes in S3?

Answer 37

Question 38

What are the “S3 Glacier” storage classes in S3?

Answer 38

Question 39

What is “S3 Intelligent Tiering” storage class in S3?

Answer 39

Question 40

Do you set the storage class for buckets or objects in S3?

Answer 40

Objects (but you can automate moving objects between tiers using Lifecycle Rules