AWS Storage

Question 1

What is S3?

Answer 1

Amazon Simple Storage Service is object storage built to store and retrieve any amount of data from anywhere – web sites and mobile apps, corporate applications, and data from IoT sensors or devices.

You can store any type of file in S3.

Question 2

What are some typical use cases for S3?

Answer 2

• Backup and Storage – Provide data backup and storage services for others
• Application Hosting – Provide services that deploy, install, and manage web applications
• Media Hosting – Build a redundant, scalable, and highly available infrastructure that hosts video, photo, or music uploads and downloads
• Software Delivery – Host your software applications that customers can download
• Static Website – you can configure a static website to run from an S3 bucket

Question 3

What is a persistent data store?

Answer 3

Persistent data stores are non-volatile storage systems that retain data when powered off.

This is in contrast to transient data stores and ephemeral data stores which lose the data when powered off.

S3 is a persistent, highly durable data store.

Question 4

What are the rules for creating a bucket name?

Answer 4

Names must be unique across all of AWS.

Names must be 3 to 63 characters in length.

Names can only contain lowercase letters, numbers and hyphens.

Names cannot be formatted as an IP address.

Question 5

What is AWS Snowball?

Answer 5

With AWS Snowball (Snowball), you can transfer hundreds of terabytes or petabytes of data between your on-premises data centers and Amazon Simple Storage Service (Amazon S3).

Uses a secure storage device for physical transportation.

Question 6

What is EBS?

Answer 6

Amazon Elastic Block Store (Amazon EBS) provides persistent block storage volumes for use with Amazon EC2 instances in the AWS Cloud. It’s basically a virtual hard drive in the cloud that we get to choose to attach to EC2 instances.

Question 7

What is EFS?

Answer 7

Amazon Elastic File System is a fully-managed service that makes it easy to set up and scale file storage in the Amazon Cloud.

Pay for what you use (no pre-provisioning required).

EFS is elastic and grows and shrinks as you add and remove data.