AWS Pricing

Question 1

What is CAPEX?

Answer 1

Capex stands for Capital Expenditure where you pay upfront. It’s a fixed cost.

Question 2

What’s OPEX?

Answer 2

Opex stands for Operational Expenditure where you pay for what you use. ex: utility billing like gas, energy, water, etc.

Question 3

What are the 5 Basic Pricing Policies in AWS?

Answer 3

1. Pay as you go
2. Pay Less when you reserve
3. Pay even less per unit by using more
4. Pay even less as AWS grows
5. Custom pricing

Question 4

What are AWS best practices to pay less?

Answer 4

1. Understand the fundamentals of pricing
2. Start early with cost optimization
3. Maximize the power of flexibility
4. Use the right pricing model for the job.

Question 5

In AWS best practices, what are the three fundamentals drivers of costs?

Answer 5

There are three fundamental drivers of costs with AWS:

1. Compute
2. Storage
3. Data Outbound

Question 6

How much can an user’s costs reduce when turning off instances?

Answer 6

70%

Question 7

What are 4 pricing models AWS offers?

Answer 7

On-demand
Dedicated
Spot Instances
Reservation

Question 8

What 7 services in AWS are Free?

Answer 8

1. Amazon VPC
2. Elastic Beanstalk
3. CloudFormation
4. IAM
5. Auto Scaling
6. OpsWorks
7. Consolidated Billing

Question 9

What determines prices in EC2? (9)

Answer 9

1. Clock hours of server time
2. Instance type
3. Pricing model
4. Numer of instances
5. Load balancing
6. Detailed monitoring
7. Auto Scaling (the more EC2 instances you have the more you pay)
8. Elastic IP addresses
9. Operating Systems and Software Packages

Question 10

What does determine Lambda Pricing? (3)

Answer 10

1. Request Pricing:
2. Duration Pricing
3. Aditional Charges

Question 11

What are the maximum requests of lambda functions on a free tier? how much does it cost after it?

Answer 11

1 million requests per month, after that pay $0.20 per 1 million requests.

Question 12

How can one be incurred of additional charges when interacting with lambda?

Answer 12

You may incur additional charges in lambda if you interact with other AWS services or transfer data.
For example, if a lambda function needs to read and write data to or from an S3 bucket, you’ll be billed by the read/write requests and the data stored in S3.

Question 13

How does EBS pricing work?

Answer 13

EBS is billed per:

1. Volumes (per GB)
2. Snapshots (per GB)
3. Data transfer

Question 14

How does S3 pricing work?

Answer 14

1. Storage Class (standard, IA, 1 AZ IA, etc)
2. Storage
3. Requests (GET, PUT, COPY)
4. Data Transfer

Question 15

How does Glacier pricing work?

Answer 15

1. Storage

2. Data Retrieval Times

Question 16

How does Snowball pricing work?

Answer 16

1. Service fee per job
   Snowball 50 TB => $200
   Snowball 80/B => $250
2. Daily charge
   The first 10 days are free, them $15 per day
3. Data Transfer
   Data transfer into S3 is free. Data transfer out is not

Question 17

How does RDS pricing work? (9)

Answer 17

1. Clock hours of server time
2. Database characteristics
3. Database purchase type
4. Number of DB instances
5. Provisioned Storage
6. Additional Storage
7. Requests
8. Deployment Type
9. Data Transfer

Question 18

How does CloudFront pricing work?

Answer 18

Traffic distribution
Requests
Data transfer out

Question 19

What’s the difference between AWS Budget and AWS cost Explore?

Answer 19

AWS Budget you set and AWS alerts you BEFORE the billing have incurred

AWS Cost Explorer is the opposite, you can explore all your costs AFTER they have been incurred