Module 1 - Introduction to AWS

Question 1

What is a client-server model? (define client and server separately)

Answer 1

In computing, aclient can be a web browser or desktop application that a person interacts with to make requests to computer servers. Aserver can be services such as Amazon Elastic Compute Cloud (Amazon EC2), a type of virtual server.

Question 2

What is cloud computing?

Answer 2

The on-demand delivery of IT resources over the internet with pay-as-you-go pricing

Question 3

What are the three kinds of Cloud Computing models?

Answer 3

Cloud-based, On-premises (private cloud deployment), Hybrid

Question 4

Explain the cloud-based model

Answer 4

• run all parts of the application in the cloud
• migrate existing applications to the cloud
• design and build new applications in the cloud

Question 5

Explain the On-premises (private cloud deployment) model

Answer 5

• deploy resources by using virtualisation and resource management tools
• Increase resource utilisation by using application management and virtualisation technologies

Question 6

Explain the Hybrid model

Answer 6

• connect cloud-based resources to on-premises infrastructure
• integrate cloud-based resources with legacy IT applications

Question 7

What are the six benefits of cloud computing?

Answer 7

• trade upfront expense for variable expense
• stop spending money to run and maintain data centres
• stop guessing capacity
• benefit from massive economies of scale
• increase speed and agility
• go global in minutes

Question 8

What is Amazon EC2?

Answer 8

Amazon Elastic Compute Cloud -> a virtual server (barista)