the core storage services Flashcards
what is the basic purpose of S3?
lets you store and retrieve unlimited amounts of data
what is the term given to data stored in AWS data centers?
objects
where are objects stored? Hint: it is essentially a flat file system
buckets
what is the function of S3 storage classes?
to offer low cost, durable, and highly available storage options
what are the different storage classes? Hint: there are six
Standard Standard IA Intelligent-Tiering One Zone IA Glacier Reduced Redundacy
there are three access categories, what are they?
frequently
infrequently
mix
which storage class has the highest level of durability and availability?
standard
what are the three methods of permitting access?
bucket policies
user policies
bucket and access control list (ACL)
how is server-side encryption used to protect data?
when you create an object, S3 encrypts the object and saves only the encrypted content. When you retrieve the object, S3 decrypts it and delivers the unencrypted object; Amazon managed
how is client-side encryption used to protect data?
You encrypt the data prior to uploading it to S3. You must decrypt the object when you retrieve it from S3.
what is the purpose of versioning?
to keep multiple variants of an object in the same bucket
what is the function of object life cycle configurations?
to help you control costs by automatically moving objects to different storage classes or deleting them after a time.
what are the two actions that can be applied a bucket for object life cycle configuration?
transition
expiration
what is the purpose of S3 Glacier?
offers long-term archiving of infrequently accessed data at an incredibly low cost.
what is the function of archives and vaults with S3 Glacier?
archive is a base unit of storage; vault is the container for archives
what are the three options for retrieval?
expedited
standard
bulk
what is the purpose of AWS Storage Gateway?
connect your existing on-premises servers to storage in the AWS cloud
how do you utilize AWS Storage Gateway?
provision an AWS Storage Gateway virtual machine on-premises and connect your servers to it
what are the three virtual machine types AWS Storage Gateway offers?
file gateways
volume gateways
tape gateways
what is the function of AWS Snowball?
a hardware appliance designed to move massive amounts of data between your site and the AWS cloud in a short time
what are the common use case for AWS Snowball?
Migrating data from an office or data center to the AWS cloud
Quickly transferring a large amount of data to or from S3 for backup or recovery purposes
Distributing large volumes of content to customers and partners
what is the purpose of Snowball Edge?
do local processing and edge-computing workloads in addition to transferring data between your local environment and the AWS Cloud
what is the functionality exclusive to Snowball Edge?
Local storage for S3 buckets
Compute power for EC2 instances and Lambda functions locally
File server functionality using the Network File System (NFS) version 3 and 4 protocols
what are the three options for device configuration with Snowball Edge?
Storage Optimized,
Compute Optimized,
and Compute Optimized with GP
