S3 Flashcards
S3 ____ enables apps to retrieve only a subset of data from an object by using simple SQL expressions. BY using S3 ____ to retrieve only the data needed by your app, you can achieve drastic permformance increases, - in many cases, you can get as much as 400% improvement.
select
Let’s assume all your data is stored in S3 in zip files that contain CSV files. WIthout S3 _____, you would need to download, decompress, and process the entire CSV to get the data you needed.
select
WIth S3 Select, you can use a ___ ___ ___ to return only the data from the store you’re interested in instead of retrieving the entire object. This means you’re dealing with an order of magnitude less data, which improves the performance of your underlying applications.
simple SQL expression
___ ____ allows you to run SQL queries against Glacier daily
glacier select
3 different ways to share s3 buckets across accounts
- Using ___ ____ & ____ (Applies across the entire bucket). Programmatic access only.
- Using ___ ____ & ____ (individul objects). Prograaammatic access only.
- Cross account ___ ____. programmatic and console access
bucket policies & IAM
bucket ACLs & IAM
IAM Roles
T or F
Cross region repliction requires versioning on the s3 bucket
True
S3 ___ ___ utilises the CloudFront Edge network to accelerate your uploads to s3. Instead of uploading directly to your S3 bucket, you cna uses 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 such as acloudguru.s3-accelerate.amazonaws.com
transfer acceleration
____ automatically encrypts data and accelerates transfer over the WAN. ____ performs automatic daata integrity checks in transit and at rest.
datasynch
datasync seamalessly and securely connects to amazon ___, ___, or ___ to copy data and metadata to and from AWS.
s3, efs, fsx
___ is used for the following
used to move large amounts of data from on prem to aws.
used with NFS and SMB compatible file systems.
replication can be done hourly, daily, or weekly.
install the ____ agent to start the replication.
can be used to replicate EFS to EFS
datasync
What is the availability of S3-one_zone-IA?
99.50%
____ retrievals allow you to quickly access your data stored in the S3 Glacier storage class when occasional urgent requests for a subset of archives are required, but at the highest cost.
expidited
____ retrievals allow you to access any of your archived objects within several hours, this is faster than bulk (averaging around 12 hours) but more expensive.
standard
____ retrievals are the lowest-cost retrieval option in Amazon S3 Glacier, enabling you to retrieve large amounts, even petabytes, of data inexpensively.
bulk
What is the availability of objects stored in S3?
99.99%
