Practice Test 2026–2027 | AWS Cost
Management Questions, Answers &
Detailed Rationales
1. A company wants to estimate the monthly AWS cost of a new application
before deploying it. The architecture includes EC2, Amazon RDS, Amazon
S3, and data transfer. Which AWS service is most appropriate?
A. AWS Cost Explorer
B. AWS Budgets
C. AWS Pricing Calculator
D. AWS Cost Anomaly Detection
Answer: AWS Pricing Calculator
Rationale: AWS Pricing Calculator is designed to estimate expected AWS costs
for planned workloads before deployment. It can model services, usage
assumptions, and certain commitment options.
, 2. A company wants to identify which AWS services caused an unexpected
increase in its monthly spending. Which tool should the company primarily
use?
A. AWS Pricing Calculator
B. AWS Cost Explorer
C. AWS Organizations
D. AWS Artifact
Answer: AWS Cost Explorer
Rationale: AWS Cost Explorer provides interactive analysis of historical and
current cost and usage data, allowing organizations to investigate spending by
service, account, Region, and other dimensions.
3. An organization wants an alert when its monthly AWS costs exceed 80% of
a predefined threshold. Which service should it use?
A. AWS Budgets
B. AWS Pricing Calculator
C. AWS Cost Explorer
D. AWS CloudTrail
Answer: AWS Budgets
Rationale: AWS Budgets allows organizations to define cost and usage
thresholds and configure notifications when actual or forecasted spending
reaches specified limits.
4. A workload runs continuously and predictably for three years. The company
wants to reduce compute costs by committing to a consistent amount of
compute usage measured in USD per hour. Which option is most
appropriate?
A. Spot Instances
B. On-Demand Instances
,C. Savings Plans
D. Dedicated Hosts
Answer: Savings Plans
Rationale: Savings Plans provide discounted compute pricing in exchange for a
commitment to a consistent amount of compute usage for a one- or three-year
term.
5. A company has an EC2 workload with stable instance-family requirements
in a specific Region. Which purchasing option provides a discount in
exchange for committing to a consistent instance configuration?
A. Standard Reserved Instances
B. Spot Instances
C. On-Demand Instances
D. Compute Savings Plans
Answer: Standard Reserved Instances
Rationale: Reserved Instances provide discounted pricing based on a
commitment to an instance configuration, including instance type and Region,
for a defined term.
6. A development workload can tolerate interruptions and can be restarted
when capacity becomes unavailable. Which EC2 purchasing option is
generally the most cost-effective?
A. Dedicated Hosts
B. Spot Instances
C. On-Demand Instances
D. Standard Reserved Instances
Answer: Spot Instances
Rationale: Spot Instances use unused EC2 capacity and can provide substantial
savings, but AWS can interrupt the workload when the capacity is needed. They
are therefore appropriate for interruption-tolerant workloads.
, 7. A company wants to analyze whether its existing Reserved Instances are
being fully utilized. Which AWS tool provides reservation utilization and
coverage information?
A. AWS Artifact
B. AWS Cost Explorer
C. AWS Pricing Calculator
D. AWS Shield
Answer: AWS Cost Explorer
Rationale: Cost Explorer provides reservation reports, including reservation
utilization, coverage, potential savings, and reservation expiration information.
8. Which AWS pricing principle means that customers generally pay according
to the resources and services they actually consume?
A. Fixed-capacity pricing
B. Pay-as-you-go pricing
C. Annual licensing pricing
D. Per-user licensing
Answer: Pay-as-you-go pricing
Rationale: AWS primarily uses a consumption-based model in which customers
pay for the AWS resources and services they use rather than purchasing large
amounts of infrastructure in advance.
9. A company wants to consolidate billing for 20 AWS accounts under AWS
Organizations. Which account is responsible for paying the organization's
consolidated bill?
A. Every member account independently
B. The oldest member account
C. The management account
D. The account with the highest usage
Answer: The management account