Sec. 3: What is Cloud Computing?

Which of the following services has a global scope?

• EC2

• IAM

• Lambda

• Rekognition

Answer explanation

IAM is a global service (encompasses all regions).

Which of the following is the definition of Cloud Computing?

• Rapidly develop, test and launch software applications

• Automatic and quick ability to acquire resources as you need them and release resources when you no longer need them

• On-demand availability of computer system resources, especially data storage (cloud storage) and computing power, without direct active management by the user

• Change resource types when needed

Answer explanation

This is the definition of Cloud Computing

This was discussed in Lecture 8: What is Cloud Computing?

What defines the distribution of responsibilities for security in the AWS Cloud?

• AWS Pricing Fundamentals

• The Shared Responsibility Model

• AWS Acceptable Use Policy

• The AWS Management Console

Answer explanation

The Shared Responsibility Model defines who is responsible for what in the AWS Cloud.

A company would like to benefit from the advantages of the Public Cloud but would like to keep sensitive assets in its own infrastructure. Which deployment model should the company use?

• Private Cloud

• Public Cloud

• Hybrid Cloud

Answer explanation

Using a Hybrid Cloud deployment model allows you to benefit from the flexibility, scalability and on-demand storage access while keeping security and performance of your own infrastructure.

What is NOT authorized to do on AWS according to the AWS Acceptable Use Policy?

• Building a gaming application

• Deploying a website

• Run analytics on stolen content

• Backup your data

Answer explanation

You can run analytics on AWS, but you cannot run analytics on fraudulent content. Refer to the AWS Acceptable Use Policy to see what is not authorized to do on AWS.

Which of the following is NOT an advantage of Cloud Computing?

• Trade capital expense (CAPEX) for operational expense (OPEX)

• Train your employees less

• Go global in minutes

• Stop spending money running and maintaining data centers

Answer explanation

You must train your employees more so they can use the cloud effectively.

What is the pricing model of Cloud Computing?

• Discounts over time

• Pay-as-you-go pricing

• Pay once a year

• Flat-rate pricing

Answer explanation

In Cloud Computing, you are only charged for what you use.

Which of the following is NOT one of the Five Characteristics of Cloud Computing?

• Rapid elasticity and scalability

• Multi-tenancy and resource pooling

• Dedicated Support Agent to help you deploy applications

• On-demand self service

Answer explanation

This is not one of the Five Characteristics of Cloud Computing. In the cloud, everything is self-service.

Which Global Infrastructure identity is composed of one or more discrete data centers with redundant power, networking, and connectivity, and are used to deploy infrastructure?

• Edge Locations

• Availability Zones

• Regions

Answer explanation

This is the definition of Availability Zones.

AWS Regions are composed of?

• Two or more Edge Locations

• One or more discrete data centers

• Two or more Availability Zones

Answer explanation

AWS Regions consist of multiple, isolated, and physically separate Availability Zones within a geographic area.