S3 Flashcards
when creating a new object (uploading new file), the file will be available…?
immediately. (immediately consistency)
when overwriting an object (overwriting/updating afile), the file will be available…?
eventually. (eventual consistency). It may take up to 1 min for the file to be spreaded across all availability zone.
What are the different tiers?
S3 Standard
S3 Standard-IA
S3 One Zone-IA
Amazon Glacier
https://i.imgur.com/CMehcwz.png
S3 charges are calculated from…?
storage requests storage management pricing data transfer pricing transfer acceleration
S3 file size limit?
5TB
S3 Storage limit?
Unlimited
An S3 bucket name must be unique?
true
what’s the structure of an S3 object URL?
https: //s3-ap-southeast-1.amazonaws.com/jacobgoh101-learn/text.txt
https: //s3-[region name].amazonaws.com/[bucket name]/[filename]
What are the core fundamentals of an S3 Objects?
Key (name) Value (data) Version ID Metadata Subresources - ACL, torrent
What HTTP status code will a successful upload return?
200
The largest object that can be uploaded in a single PUT is …?
5GB
For objects larger than 100 megabytes, customers should consider using the ____ capability.
Multipart Upload
You can use S3 ____ to organize your data across all of your S3 buckets and/or prefixes.
Object Tagging
availability for S3 Standard, S3 Standard IA, S3 One Zone IA, ?
99.99%, 99.9%, 99.5%
what’re the four mechanisms for controlling access to Amazon S3 resources?
Identity and Access Management (IAM) policies,
bucket policies,
Access Control Lists (ACLs), and
Query String Authentication.
What’s Query String Authentication?
With Query String Authentication, customers can create a URL to an Amazon S3 object which is only valid for a limited time.
What options do I have for encrypting data stored on Amazon S3?
SSE-S3,
SSE-C,
SSE-KMS,
or a client library such as the Amazon S3 Encryption Client.
Can I disable versioning after enabling it?
No
How to add additional security to S3 file versions?
You can use MFA Delete Capability
For Cross-Origin Replication, both the source and destination regions must have ____ enabled.
Versioning
For Cross-Origin Replication, both the source and destination regions must be ______
unique / different
For Cross-Origin Replication, will files in existing bucket be automatically replicated as well?
No
For Cross-Origin Replication, will delete markers be replicated?
Yes
For Cross-Origin Replication, will deleting individual versions be replicated?
No
For Cross-Origin Replication, will deleting individual delete marker be replicated?
No
Lifecycle Management requires versioning? true or false ?
false. It can work with or without versioning
What can be done with Lifecycle Management?
Move object into S3-IA , Glacier, or permanently delete after an amount of time.
Where does CloudFront serve content from?
Edge Locations
What can be the origin of CloudFront?
S3 Bucket, EC2 instance, Elastic Load Balancer or Route 53
What are the 2 types of CloudFront distribution?
Web Distribution.
RTMP (for media streaming).
Can you upload to Edge locations?
Yes
How long will an object in CloudFront be cached for?
For the TTL set. (time to live)
Can I clear CloudFront cache?
Yes, but you will be charged
what are the 3 types of server side encryption?
SSE-S3: S3 Managed Key
SSE-KMS: Key Management Service
SSE-C: Customer Provided Key
What’s storage gateway?
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.
What are the 4 types of storage gateway?
- File Gateway (NFS)
- Volumes Gateway (iSCSI)
- Stored Volumes
- Cached Volumes
- Tape Gateway (VTL)
(Storage Gateway) File Gateway is for ____?
For flat files, stored directly on S3
(Storage Gateway) Volume Gateway - Stored Volume is for ____?
Entire Dataset is stored on site and is asynchronously backed up to S3
(Storage Gateway) Volume Gateway - Cached Volume is for ____?
Entire Dataset is stored on S3 and the most frequently accessed data is cached on site.
(Storage Gateway) Gateway Virtual Tape Library (VTL) for ____?
Used for backup and uses popular backup applications like NetBackup, Backup Exec, Veeam etc.
What are the Snowball services available?
Snowball,
Snowball Edge,
Snowball Mobile
What’s S3 transfer acceleration?
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;
What’s S3 transfer acceleration’s url structure?
[butket-name].s3-accelerate.amazonaws.com
What’s S3 static web hosting url structure?
https://[bucket-name].s3-website-[region-name].amazonaws.com
What is AWS Storage Gateway?
It’s an on-premise virtual appliance that can be used to cache S3 locally at a customers site.
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?
Design your application to use the multi-part upload API for all objects
What’s the availability of RRS?
99.99%
What’s the durability of RRS?
99.99%
What’s the durability of S3 Standard?
99.999999999%
eleven 9
What’s the durability of S3 Standard IA?
99.999999999%
eleven 9
What’s the availability of S3 Standard?
99.99%
What’s the availability of S3 Standard IA?
99.9%
What’s the durability of S3 One Zone IA?
99.999999999%
eleven 9
but data will be gone in the event of Availability Zone destruction
What’s the availability of S3 One Zone IA?
99.5%
