Key Principles
What are the three fundamental drivers of cost?
Compute
Analytics
Storage
Outbound data transfer
Compute
Storage
Outbound data transfer
What are the four ways to pay for EC2 Instances? (Choose Four)
Spot Price
On-Demand instances
Reserved Instances
Spot Instances
Dedicated Hosts
2. On-Demand instances
3. Reserved Instances
4. Spot Instances
5. Dedicated Hosts
Why is AWS able to price Standard -Infrequent Access (SIA) storage cheaper than AWS Standard storage?
There is a lower level of data redundancy
charges when using an AWS Lambda?
When the lambda function uses other AWS sources or transfers data.
When your code begins executing.
When your code is not running.
When the lambda runs code on the backend.
1. When the lambda function uses other AWS sources or transfers data.
What is the approximate savings with using Reserved Instances over On-Demand Instances for EC2/RDS services?
21% savings
35% savings
50% savings
75% savings
4. 75% savings
You can reduce costs by 70% doing ___?
Purchasing Spot Instances
Turning off instances you don’t use
Purchasing CloudFront
Using On-Demand Instances
2. Turning off instances you don’t use
How are On-Demand EC2 Instances billed? (Choose Two)
Per Hour
Per Day
Per Week
Per Second
1. Per Hour
4. Per Second
Which of the following does NOT impact the cost of S3 storage?
Storage Class (Standard, SIA, S3 Glacier)
Number/Size of objects stored
Location of S3 bucket
Unused Storage
Number/Type of requests (ex. PUT, COPY, GET)
Amount of data transferred out of S3 region
4. Unused Storage
What are the three ways that Amazon EBS is priced?
Volumes
Per Second
Snapshots
Per Day
Data Transfer
Clock hours or Server Time
1. Volumes
3. Snapshots
5. Data Transfer
When you have a EC2 Reserved Instance, you are charged the reserved price by what time interval?
Day
Hour
Minute
Second
2. Hour
Which pricing model means you pay for compute or database capacity with no long-term commitments or upfront payments?
Dedicated Instances
Reservations
On Demand
Spot Instances
3. On Demand
Which pricing model means you pay for compute or database capacity with no long-term commitments or upfront payments?
Dedicated Instances
Reservations
On Demand
Spot Instances
_____________ is the name of the EC2 Instance type that can be purchased as a Reservation for up to 70% off the On-Demand price?
On-Demand instances
Dedicated Hosts
Reserved Instances
Spot Instances
2. Dedicated Hosts
How much does a GB of S3 Glacier cost per month?
$0.01 per GB
$0.04 per GB
$0.001 per GB
$0.004 per GB
4. $.004 per GB
What type of Database is Amazon DynamoDB?
Open Source
NoSQL
SQL
Relational Database
2. NoSQL
TRUE or FALSE: EC2 Reserved Instances are 1 or 3 year contracts that are non-transferable?
FALSE - Reserved Instances are transferable to other users. AWS created the Reserved Instance Marketplace which allows customers to list their Reserved Instances for sale. Third-party Reserved Instances are often listed at lower prices and shorter terms.
In most cases, which are you charged for?
Inbound Data Transfer
Data Transfer between other services in same region
Outbound data transfer
3. Outbound data transfer
What is the minimum amount of time that EC2 usage increments must meet in order to be are billed at?
5 minutes
4 hours
24 hours
60 seconds
4. 60 seconds
Which of the following impact the cost of Amazon Glacier Select pricing? (Select All That Apply)
Total amount of data scanned
Total amount of data returned
Total number of Glacier Select requests initiated
Total amount of data scanned
Total amount of data returned
Total number of Glacier Select requests initiated
What of these are not AWS Resource Types of DynamoDB?
Provisioned Throughput (read)
Provisioned Throughput (write)
AWS Snowball
Indexed Data Storage
3. AWS Snowball
What tool can be used to estimate your potential AWS costs by service?
AWS Estimator
AWS Cost Calculator
AWS Simple Monthly Calculator
myAWS.com Dashboard
3. AWS Simple Monthly Calculator