Billing and pricing

Question 1

Which of the following are payment options for Reserved Instances?
DURI
PURI
AURI
NURI
MURI

Answer 1

Reserves instances are available with all upfront, partial upfront, or no upfront (AURI, PURI, and NURI) pricing.

Question 2

Which of the following are AWS EC2 reserved pricing types?

Scheduled Reserved Instances

Convertable Reserved Instances

Scalable Reserved Instances

Compute Reserved Instances

Standard Reserved Instances

Answer 2

Scheduled Reserved Instances
Convertable Reserved Instances
Standard Reserved Instances

EXPLANATION:
Reserved instances have three main pricing models, Standard, Convertible and Scheduled. Each model is targeted with a specific use case and benefits from its own level of discounted price

Question 3

Which of the following AWS services are free to use?
Elastic Beanstalk
S3
EBS
Auto-Scaling
CloudFormation
RDS
Route53
VPC
IAM
EC2

Answer 3

Elastic Beanstalk
Auto-Scaling
CloudFormation
VPC
IAM

EXPLANATION:
Whilst all of these services are free to use, the things they create or interact with can incur charges. For instance, a CloudFormation template is free to run, but if it creates an EC2 instance, you will be paying for that EC2 instance. Whilst some of the other services do have free tier entitlements or features, as a service, they do have general costs associated with them

Question 4

Which of the following best describes a Resource Group?
A resource group is a collection of resources of the same type (EC2, S3, etc.) that are deployed in the same Availability Zone.

A resource group is a collection of resources that are deployed in the same Availability Zone.

A resource group is a collection of resources that share one or more tags (or portions of tags.)

A resource group is a collection of resources of the same type (EC2, S3, etc.) that share one or more tags or portions of tags.

Answer 4

A resource group is a collection of resources that share one or more tags (or portions of tags.)

EXPLANATION:
A resource group is a collection of resources that share one or more tags (or portions of tags.)

Question 5

When would you use the Reserved Instance pricing model?

Unpredictable workloads
CAPEX vs OPEX charging model
Ability to bid on the lowest compute price possible
Predictable workload types

Answer 5

CAPEX vs OPEX charging model
Predictable workload types

EXPLANATION:
Reserved instances are a great way of reducing costs on long running applications with predictable workloads. Even if the money is not available to make upfront payments, using Reserved Instances over longer periods can still be useful for cost savings

Question 6

Which of the following are AWS EC2 reserved pricing types?

Scheduled Reserved Instances
Compute Reserved Instances
Standard Reserved Instances
Scalable Reserved Instances
Convertable Reserved Instances

Answer 6

Scheduled Reserved Instances
Standard Reserved Instances
Convertable Reserved Instances

EXPLANATION:
Reserved instances have three main pricing models, Standard, Convertible and Scheduled. Each model is targeted with a specific use case and benefits from its own level of discounted price

Question 7

Which of the following EC2 instance types will realize a savings over time in exchange for a contracted term-of-service?

Discount instances
Spot instances
Reserved instances
On-demand instances

Answer 7

Reserved instances

EXPLANATION:
EC2 Reserved Instances offer significant discounts for a contracted term-of-service, of up to 75% off. On-Demand instances are charged equally per-hour, regardless of how long they’re run for. Spot instances are cheaper than On-Demand instances, but aren’t intended for long term use

Question 8

By default, when using consolidated billing, which of the below will the master paying account be able to do in the member account?

Grant access to member account to other users
View billing information
View any data stored
Make changes to resources

Answer 8

View billing information

EXPLANATION:
By default, using Consolidated Billing only allows the master account to view the billing information from the member accounts - no access is automatically granted for users in the master account into the member accounts beyond this.

Question 9

You are an AWS Enterprise customer with questions about billing and your overall AWS account. Which of the following AWS support personnel should you contact?

AWS Support
AWS Billing and Accounts
AWS Concierge
AWS Technical Account Manager

Answer 9

AWS Concierge

EXPLANATION:
For AWS Enterprise customers, the AWS Concierge is a resource dedicated to answering billing and account questions.