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Jacob's AWS Certified Solutions Architect - Associate 2018 > S3 > Flashcards

S3 Flashcards

1
Q

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

A

immediately. (immediately consistency)

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2
Q

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

A

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

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3
Q

What are the different tiers?

A

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

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

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4
Q

S3 charges are calculated from…?

A 
storage
requests
storage management pricing
data transfer pricing
transfer acceleration
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5
Q

S3 file size limit?

A

5TB

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6
Q

S3 Storage limit?

A

Unlimited

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7
Q

An S3 bucket name must be unique?

A

true

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8
Q

what’s the structure of an S3 object URL?

A

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

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9
Q

What are the core fundamentals of an S3 Objects?

A 
Key (name)
Value (data)
Version ID
Metadata
Subresources - ACL, torrent
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10
Q

What HTTP status code will a successful upload return?

A

200

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11
Q

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

A

5GB

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12
Q

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

A

Multipart Upload

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13
Q

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

A

Object Tagging

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14
Q

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

A

99.99%, 99.9%, 99.5%

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15
Q

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

A

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

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16
Q

What’s Query String Authentication?

A

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

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17
Q

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

A

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

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18
Q

Can I disable versioning after enabling it?

A

No

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19
Q

How to add additional security to S3 file versions?

A

You can use MFA Delete Capability

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20
Q

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

A

Versioning

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21
Q

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

A

unique / different

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22
Q

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

A

No

23
Q

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

A

Yes

24
Q

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

A

No

25
Q

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

A

No

26
Q

Lifecycle Management requires versioning? true or false ?

A

false. It can work with or without versioning

27
Q

What can be done with Lifecycle Management?

A

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

28
Q

Where does CloudFront serve content from?

A

Edge Locations

29
Q

What can be the origin of CloudFront?

A

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

30
Q

What are the 2 types of CloudFront distribution?

A

Web Distribution.

RTMP (for media streaming).

31
Q

Can you upload to Edge locations?

A

Yes

32
Q

How long will an object in CloudFront be cached for?

A

For the TTL set. (time to live)

33
Q

Can I clear CloudFront cache?

A

Yes, but you will be charged

34
Q

what are the 3 types of server side encryption?

A

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

35
Q

What’s storage gateway?

A

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.

36
Q

What are the 4 types of storage gateway?

A
  • File Gateway (NFS)
  • Volumes Gateway (iSCSI)
    • Stored Volumes
    • Cached Volumes
  • Tape Gateway (VTL)
37
Q

(Storage Gateway) File Gateway is for ____?

A

For flat files, stored directly on S3

38
Q

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

A

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

39
Q

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

A

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

40
Q

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

A

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

41
Q

What are the Snowball services available?

A

Snowball,
Snowball Edge,
Snowball Mobile

42
Q

What’s S3 transfer acceleration?

A

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;

43
Q

What’s S3 transfer acceleration’s url structure?

A

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

44
Q

What’s S3 static web hosting url structure?

A

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

45
Q

What is AWS Storage Gateway?

A

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

46
Q

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?

A

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

47
Q

What’s the availability of RRS?

A

99.99%

48
Q

What’s the durability of RRS?

A

99.99%

49
Q

What’s the durability of S3 Standard?

A

99.999999999%

eleven 9

50
Q

What’s the durability of S3 Standard IA?

A

99.999999999%

eleven 9

51
Q

What’s the availability of S3 Standard?

A

99.99%

52
Q

What’s the availability of S3 Standard IA?

A

99.9%

53
Q

What’s the durability of S3 One Zone IA?

A

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

54
Q

What’s the availability of S3 One Zone IA?

A

99.5%

Jacob's AWS Certified Solutions Architect - Associate 2018 (3 decks)

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