S3

Question 1

when creating a new object (uploading new file), the file will be available…?

Answer 1

immediately. (immediately consistency)

Question 2

when overwriting an object (overwriting/updating afile), the file will be available…?

Answer 2

eventually. (eventual consistency). It may take up to 1 min for the file to be spreaded across all availability zone.

Question 3

What are the different tiers?

Answer 3

S3 Standard
S3 Standard-IA
S3 One Zone-IA
Amazon Glacier

https://i.imgur.com/CMehcwz.png

Question 4

S3 charges are calculated from…?

Answer 4

storage
requests
storage management pricing
data transfer pricing
transfer acceleration

Question 5

S3 file size limit?

Answer 5

5TB

Question 6

S3 Storage limit?

Answer 6

Unlimited

Question 7

An S3 bucket name must be unique?

Answer 7

true

Question 8

what’s the structure of an S3 object URL?

Answer 8

https: //s3-ap-southeast-1.amazonaws.com/jacobgoh101-learn/text.txt
https: //s3-[region name].amazonaws.com/[bucket name]/[filename]

Question 9

What are the core fundamentals of an S3 Objects?

Answer 9

Key (name)
Value (data)
Version ID
Metadata
Subresources - ACL, torrent

Question 10

What HTTP status code will a successful upload return?

Answer 10

200

Question 11

The largest object that can be uploaded in a single PUT is …?

Answer 11

5GB

Question 12

For objects larger than 100 megabytes, customers should consider using the ____ capability.

Answer 12

Multipart Upload

Question 13

You can use S3 ____ to organize your data across all of your S3 buckets and/or prefixes.

Answer 13

Object Tagging

Question 14

availability for S3 Standard, S3 Standard IA, S3 One Zone IA, ?

Answer 14

99.99%, 99.9%, 99.5%

Question 15

what’re the four mechanisms for controlling access to Amazon S3 resources?

Answer 15

Identity and Access Management (IAM) policies,
bucket policies,
Access Control Lists (ACLs), and
Query String Authentication.

Question 16

What’s Query String Authentication?

Answer 16

With Query String Authentication, customers can create a URL to an Amazon S3 object which is only valid for a limited time.

Question 17

What options do I have for encrypting data stored on Amazon S3?

Answer 17

SSE-S3,
SSE-C,
SSE-KMS,
or a client library such as the Amazon S3 Encryption Client.

Question 18

Can I disable versioning after enabling it?

Answer 18

No

Question 19

How to add additional security to S3 file versions?

Answer 19

You can use MFA Delete Capability

Question 20

For Cross-Origin Replication, both the source and destination regions must have ____ enabled.

Answer 20

Versioning

Question 21

For Cross-Origin Replication, both the source and destination regions must be ______

Answer 21

unique / different

Question 22

For Cross-Origin Replication, will files in existing bucket be automatically replicated as well?

Answer 22

No

Question 23

For Cross-Origin Replication, will delete markers be replicated?

Answer 23

Yes

Question 24

For Cross-Origin Replication, will deleting individual versions be replicated?

Answer 24

No

Question 25

For Cross-Origin Replication, will deleting individual delete marker be replicated?

Answer 25

No

Question 26

Lifecycle Management requires versioning? true or false ?

Answer 26

false. It can work with or without versioning

Question 27

What can be done with Lifecycle Management?

Answer 27

Move object into S3-IA , Glacier, or permanently delete after an amount of time.

Question 28

Where does CloudFront serve content from?

Answer 28

Edge Locations

Question 29

What can be the origin of CloudFront?

Answer 29

S3 Bucket, EC2 instance, Elastic Load Balancer or Route 53

Question 30

What are the 2 types of CloudFront distribution?

Answer 30

Web Distribution. | RTMP (for media streaming).

Question 31

Can you upload to Edge locations?

Answer 31

Yes

Question 32

How long will an object in CloudFront be cached for?

Answer 32

For the TTL set. (time to live)

Question 33

Can I clear CloudFront cache?

Answer 33

Yes, but you will be charged

Question 34

what are the 3 types of server side encryption?

Answer 34

SSE-S3: S3 Managed Key SSE-KMS: Key Management Service SSE-C: Customer Provided Key

Question 35

What's storage gateway?

Answer 35

AWS Storage Gateway is a service that connects an on-premises software appliance with cloud-based storage to provide seamless and secure integration between an organization's on-premises IT environment and AWS's storage infrastructure. The service enables you to securely store data to the AWS cloud for scalable and cost-effective storage.

Question 36

What are the 4 types of storage gateway?

Answer 36

* File Gateway (NFS) * Volumes Gateway (iSCSI) * Stored Volumes * Cached Volumes * Tape Gateway (VTL)

Question 37

(Storage Gateway) File Gateway is for ____?

Answer 37

For flat files, stored directly on S3

Question 38

(Storage Gateway) Volume Gateway - Stored Volume is for ____?

Answer 38

Entire Dataset is stored on site and is asynchronously backed up to S3

Question 39

(Storage Gateway) Volume Gateway - Cached Volume is for ____?

Answer 39

Entire Dataset is stored on S3 and the most frequently accessed data is cached on site.

Question 40

(Storage Gateway) Gateway Virtual Tape Library (VTL) for ____?

Answer 40

Used for backup and uses popular backup applications like NetBackup, Backup Exec, Veeam etc.

Question 41

What are the Snowball services available?

Answer 41

Snowball, Snowball Edge, Snowball Mobile

Question 42

What's S3 transfer acceleration?

Answer 42

S3 Transfer Acceleration utilises the CloudFront Edge Network to accelerate your uploads to S3. Instead of uploading directly to your S3 bucket, you can use a distinct URL to upload directly to an edge location which will then transfer that file to S3. You will get a distinct URL to upload to;

Question 43

What's S3 transfer acceleration's url structure?

Answer 43

[butket-name].s3-accelerate.amazonaws.com

Question 44

What's S3 static web hosting url structure?

Answer 44

https://[bucket-name].s3-website-[region-name].amazonaws.com

Question 45

What is AWS Storage Gateway?

Answer 45

It's an on-premise virtual appliance that can be used to cache S3 locally at a customers site.

Question 46

One of your users is trying to upload a 7.5GB file to S3 however they keep getting the following error message - "Your proposed upload exceeds the maximum allowed object size.". What is a possible solution for this?

Answer 46

Design your application to use the multi-part upload API for all objects

Question 47

What's the availability of RRS?

Answer 47

99.99%

Question 48

What's the durability of RRS?

Answer 48

99.99%

Question 49

What's the durability of S3 Standard?

Answer 49

99.999999999% | eleven 9

Question 50

What's the durability of S3 Standard IA?

Answer 50

99.999999999% | eleven 9

Question 51

What's the availability of S3 Standard?

Answer 51

99.99%

Question 52

What's the availability of S3 Standard IA?

Answer 52

99.9%

Question 53

What's the durability of S3 One Zone IA?

Answer 53

99.999999999% eleven 9 but data will be gone in the event of Availability Zone destruction

Question 54

What's the availability of S3 One Zone IA?

Answer 54

99.5%