Storage / Content Delivery Services

Question 1

S3 = Simple Storage Service

Answer 1

Highly available storage service where objects are stored in buckets.

Question 2

Main Features of S3

Answer 2

Essentially limitless storage capacity, set security settings at the object or bucket level, logs to track access, enable versioning to avoid loss of data

Question 3

S3 Storage Classes

Answer 3

Standard, Intelligent Tiering, Infrequent Access, 1 Zone Infrequent Access, Glacier, Glacier Deep Archive, and Outposts

Question 4

Elastic Block Store (EBS)

Answer 4

An EC2 storage device that is attached (or removed) from an instance (similar to a flash drive). Allows data to persist when the instance is not running, good for running a DB. Can only be attached to one instance in the AZ.

Question 5

EC2 Instance Store

Answer 5

Local storage that is physically attached to the host computer (and cannot be removed). The data is still lost when the instance stops, so it’s only recommended for temporary storage needs.

Question 6

Elastic File System (EFS)

Answer 6

A serverless network file system that ONLY WORKS WITH LINUX.

Question 7

Storage Gateway

Answer 7

A hybrid storage service, recommended for moving backups to the cloud.

Question 8

Content Delivery Network (CDN)

Answer 8

A mechanism to deliver content quickly and efficiently based on geographic location

Question 9

CloudFront

Answer 9

A CDN that delivers data globally with low latency. Uses Edge Locations to cache content. Great for static websites, and helps prevent attacks on your app

Question 10

Global Accelerator

Answer 10

Sends your users through the Amazon Global Network when accessing your content, which improves latency and availability of single-region applications.

Question 11

S3 Transfer Acceleration

Answer 11

Improves upload and download speeds to and from S3 buckets. Uses CloudFront’s Edge Locations and allows users to upload to a central bucket.