Fundamental Cloud Concepts

Question 1

Which statement is true in regards to AWS Edge Locations?

1. They allow you to deploy virtual servers around the globe
2. They are the most prevalent element of the AWS Global Infrastructure.
3. They support all AWS services.
4. They act as additional Availability Zones for your applications.

Answer 1

2. They are the most prevalent element of the AWS Global Infrastructure.

Question 2

Which statement is true about AWS Regions and Availability Zones?

1. AWS Regions have a single availability zone
2. AWS Regions have more than 1 availability zone
3. Availability Zones are made up of a single data center
4. Availability Zones have a minimum of 3 data centers

Answer 2

2. AWS Regions have more than 1 availability zone

Question 3

If you want to understand estimated future costs for your current AWS workloads, which tool would be best to leverage?

1. AWS Simple Monthly Calculator
2. AWS TCO Calculator
3. AWS Cost Explorer
4. AWS Budgets

Answer 3

3. AWS Cost Explorer

Question 4

What is Elasticity as it relates to AWS services?

Answer 4

Elasticity is the ability to acquire resources as you need them and release resources when you no longer need them. This should happen automatically.

Question 5

What are the 3 main cloud computing models?

Answer 5

• Infrastructure as a Service (IaaS). Ths gives companies/user the most control
• Platform as a Service PaaS. This is somewhere in the middle in terms of control.
• Software as a Service (SaaS). This provides the least amount of control to a company/user.

Question 6

What are 3 main coud deployment models?

Answer 6

• Public Cloud - Deployed onto a public cloud provider like AWS.
• On-Prem (Private Cloud) - Cloud-like platform in a private data ceter (like DTS Docker).
• Hybrid - Cloud applications connected to a private data center.

Question 7

How many data centers are in an availability zone?

Answer 7

at least one

Question 8

How many availability zones are in each region?

Answer 8

at least 2

Question 9

Describe the nainng convention of regions and availability zone

Answer 9

AREA - Subarea - Number AZ

example: us-east-2a

Question 10

What are the 2 services that use edge locations?

Answer 10

CloudFront and Route53

Question 11

Janes company is looking to transistion to AWS. They are starting with a few workloads. It is a requirement to store backup data in multiple geographic areas.

Which element of AWS global infrastructure will best suit this need?

Answer 11

Regions

The keywords here is multiple geographic areas.

AWS regions exist within a single geographic area.

Question 12

Tim’s company serves content through their site to users around the globe.

They are looking to optimize performance to users around the world.
They want to leverage a Content Delievery Network (CDN)

Which element of the AWS global infrastructure will be used in this case?

Answer 12

Edge Locations - specific service would be CloudFront

Question 13

Ellen’s company is transistioning one of their legacy applications to AWS. This application requires uptime of at least 99.5%. They want to be sure any issues at a single data ceter don’t cause an outage.

Which element of the AWS global infrastructure supports this need?

Answer 13

Availability Zones

The use of multiple AZ’s helps to ensure high availability

Question 14

What is the AWS Cost Explorer?

Answer 14

• User interface for exploring your AWS Costs.
• Provides breakdowns including
  
  • by service
  • by cost tag
• Provides predictions for the next three months of costs
• Gives reccomendations for cost optimization
• Can be accessed via an API

Question 15

What are some AWS Cost Planning Tools?

Answer 15

TCO Calculator

• Estimates cost savings of moving to the cloud
• Enables an organization to determine what could be saved by leveraging cloud infrastructure

AWS Pricing Calculator

• (aka Simple Monthly Calculator which is now deprecated)
• Enables organizations to calculate the cost of running specific AWS infrastrucuture.
• Think - estimating future workloads

Question 16

What are AWS Resource Tags?

Answer 16

Metadata assigned to a specific AWS resource (i.e name, environment, etc)

Tags can be leveraged with the AWS Cost Explorer to group expenses

Question 17

What is an AWS Organization?

Answer 17

• An organization allows you to manage multiple accounts under a single master account
• allows for consolidated billing
• enables organizations to centralize logging and security standards accross accounts

Question 18

Oscars company has multiple departments that work within AWS. Finance is asking for a clean spearation of AWS costs between departments. Currently all resources are included within a single AWS account.

What approach would meet this need for future costs with minimal effort?

Answer 18

The best solution would be to create and leverage a Resource Tag for Department. This is a better solution over creating seperate accounts for each department and manage them all within an AWS orgazation account due to the fact that the accounts and infrastructure already exist under a single account.

Question 19

Cindy’s company is considering a transistion to the cloud. They currently have two physical data centers that they own and maintain. Stakeholders are questioning whether this approach will save money.

What approach should Cindy take to make a case for the cloud.

Answer 19

Cindy can use the AWS TCO Calculator to help estimate the amount of money that would be saved by moving to the cloud.

Question 20

William is a web developer at his company. Given some recent downtime he is looking at moving their site to the cloud. Finance is asking for an estimate of costs for this transition to AWS.

What approach should William take to get this data to his finance team?

Answer 20

William can use the AWS pricing calculator to estimate future montly costs of running needed AWS services.