Chapter 6.1 - EC2 Overview

Question 1

What is EC2 what are it’s basic parameters?

Answer 1

EC2 is like a VM (Virtual Machine) hosted in AWS instead of your own data center.

Select the capacity you need right now.

Grow and shrink when you need.

Pay for what you use.

Wait minutes, not months.

Question 2

What are the basic EC2 pricing options?

Answer 2

On-Demand
Pay by the hour or the second, depending on the type of instance you run.

Reserved
Reserved capacity for 1 or 3 years. Up to 72% discount on the hourly charge.

Spot
Purchase unused capacity at a discount of up to 90%. Prices fluctuate with supply and demand.

Dedicated
A physical EC2 server dedicated for your use. The most expensive option.