S3 Flashcards by Mike McCollum

Allows the upload of files because S3 is

Object Based

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Not suitable for

OS
–OR–
Database

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Files sizes from 0 bytes up to

5 TB can be uploaded

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Storage volume

unlimited

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Files are stored in

Buckets

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Names

Https://

Bucket Name/Region/keyname

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Successful upload code

200

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The object name

Key

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The data that is made up of a sequence of bytes

Value

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Allows you to store multiple versions of the same object

Versioning

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What is data about data

Metadata

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Data stored redundantly across multiple devices in multiple facilities

> =3 AZs

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S3 - IA

S3 - OZ IA

Glacier

Glacier Deep Archive

S3 - Intelligent Tiering

Availability

99.9% Availability

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S3 - IA

S3 - OZ IA

Glacier

Glacier Deep Archive

S3 - Intelligent Tiering

Durability

99.999999999% (11 9s)

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Designed for frequent access

Designed for frequently accessed data.

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Suitable for most workloads and

Default storage class

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Used for data that is accessed less frequently but requires rapid access when needed

S3 - IA

Infrequent Access

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There is a low GB storage price and per GB retrieval fee.

S3 - IA

Infrequent Access

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Great for long-term storage, backups, and as a data store for disaster recovery file.s

Use Case

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Avaiilabilty for S3 One Zone IA

99.5%

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S3 One Zone is like S3 - IA

But data is stored redundantly within a single AZ.

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One Zone IA cost

Costs 20% less than regular S3-IA

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One Zone IA use case

long-lived, infrequently accessed, non-critical data.

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Very cheap archival storage - optimized for very infrequently accessed data

Glacier

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S3 This happens each time you access your data

You pay for that

S3 Long term data archiving with retrieval times that range from 1 minute to 12 hours

Glacier

S3 Great for historical data that only accessed a few times in a year.

Glacier

S3 Archiving for rarely accessed data with a default retrieval time of 12 hours.

Glacier Deep Archive

S3 Financial records that may be accessed once or twice per year

Use case of Glacier Deep Archive

S3 Storage with 2 tiers - frequent and infrequent access

S3 - Intelligent Tiering

S3 Automatically moves your data to the most cost-effective tier based on how frequently you access each object.

S3 - Intelligent Tiering

S3 S3 - Intelligent Tiering cost

Monthly fee of $0.0025 per 1,000 objects

S3 Security By default all newly created S3 buckets are

PRIVATE

S3 Security Access Control at the bucket level

Bucket policy

S3 Security Access control at the object level

Access Control Lists

S3 Security S3 can be configured to create

Access Logs

S3 Security S3 Access logs can be written to another

S3 Bucket

S3 Security S3 Access Requests

Make lists of requests made of the S3 bucket.

S3 Encryption Encryption In-Transit

SSL/TLS (HTTPS)

S3 Encryption At Rest: Server Side S3 Managed Keys

SSE-S3

S3 Encryption At Rest: Server Side AWS Key Management Service

SSE-KMS Managed Keys

S3 Encryption At Rest: Server Side Server side Encryption with Customer Provided Keys

SSE-C Customer provides keys

S3 Encryption If you want to enforce the use of encryption for your files stored in S3 use

Use S3 Bucket Policy to deny all PUT requests that does not include the x-amz-server-side-encryption parameter in the request header.

S3 Encryption x-amz-server-side-encryption parameter

Included when a file is to be encrypted at upload time.

S3 Encryption x-amz-server-side-encryption: AE256

SSE-S3 - S3 Managed Keys

S3 Encryption x-amz-server-side-encryption: aws:kms

SSE-KMS - KMS managed keys

S3 - Summary S3 allows you to upload files so it is

Object based

S3 - Summary Files sizes can range from

0 bytes - 5 TB

S3 - Summary Files are stored in

Buckets

S3 - Summary S3 is not appropriate for this

S3 - Summary Allows one a bucket from one region to access a bucket in another region

CORS Cross Origin Resource Sharing

S3 - Summary Location where content is cached

Edge Location

S3 - Summary The origin of all the files that the CDN will distribute

Origin

S3 - Summary Given name of the CDN that consists of a collection of Edge locations

Distribution

S3 - Summary Distribution used for Websites

Web Distribution

S3 - Summary Distribution used for Media Streaming

RTMP

READ THE S3 FAQs

https://aws.amazon.com/s3/faqs/

S3 - Quiz What determines which partition that files are stored in

The key name | https://aws.amazon.com/blogs/aws/amazon-s3-performance-tips-tricks-seattle-hiring-event/

S3 - Quiz The largest object that can be uploaded in a single PUT is

5 gigabytes.

S3 - Quiz If you want to upload files that are > 100 mb use

Multipart upload

S3 - Quiz If you want a user to download a private file directly from S3 from a webpage

Provide the user a pre-signed URL link on the site.

S3 - Quiz encryption of data at its destination by the application or service that receives it.

Server-Side Encryption

S3 - Quiz encrypts your data at the object level as it writes it to disks in its data centers and decrypts it for you when you access it.

S3 - Quiz a way for client web applications that are loaded in one domain to interact with resources in a different domain.

Cross-origin resource sharing (CORS) With CORS support, you can build rich client-side web applications with Amazon S3 and selectively allow cross-origin access to your Amazon S3 resources

S3 - Quiz different ways to ensure that users attempting access to files in an S3 bucket can be authorized.

Signed URLs and Signed Cookies

S3 - Quiz virtual user identity that is used to give the CloudFront distribution permission to fetch a private object from an S3 bucket.

Origin Access Identity