Shared Hosts vs Dedicated Hosts.

What's EC2 is good for.

EC2 Instance Types

EC2 storage

Type of storage

Category of storage

Storage Performance


Volume Types

GP2 Storage

IO1 Storage

HDD based storage (Both ST1 and SC1)



EBS Snapshots

Instance Store Volumes

EBS vs Instance Store

When to use EBS

When to use Instance Store

EBS Encryption

EC2 Network & DNS Architecture

AMI (Amazon Machine Image)

AMI Lifecycle

Instance Billing methods

On Demand Instances

Spot Instance

Reserved Instances.

Status checks and auto recovery.

Horizontal and vertical scaling.

Vertical scaling

Horizontal Scaling.

Instance Metadata