Compare AWS pricing models.
17 practice questions under this official exam objective (CLF-C02), each with the answer key, an option-by-option explanation and instant feedback.
Questions under this objective
17 total · page 1 of 1Which EC2 purchasing option fits steady, predictable 1-year traffic?
This question tests how to match an Amazon EC2 purchasing option to a steady, predictable workload that must stay online for one year. Reserved Instan
Which AWS purchasing option fits a partial serverless migration?
A company running on EC2 that plans a partial move to serverless within a year and wants to pay up front should choose Compute Savings Plans, because
Which AWS Tool Estimates Costs Before Infrastructure Is Provisioned?
AWS Pricing Calculator is the planning tool used to build a cost estimate for a project before any resources are deployed. This page confirms why opti
AWS Service for Cost Estimation Before Migration
The AWS Pricing Calculator is the correct service to estimate costs for an AWS architecture solution before migration. This page explains why it is th
EC2 Purchasing Option for a 3-Hour Weekly Workload That Cannot Be Interrupted?
This question asks which Amazon EC2 purchasing option is most cost-effective for lab instances that run only 3 hours per week and cannot be interrupte
Most Cost-Effective EC2 Option for Interruptible Batch Workloads
Amazon EC2 Spot Instances let you use spare AWS capacity at steep discounts for interruptible, resumable batch workloads, making them the most cost-ef
How to Optimize a 24/7 EC2 Workload with Reserved Instances?
For a 24/7 EC2 workload that will keep the same instance family and type for 12 months, a Standard Reserved Instance purchased All Upfront delivers th
Which AWS Service Best Fits a Sporadic Sub-5-Minute Application?
This question tests whether you can match a sporadically invoked, short-running on-premises workload to the most cost-effective AWS compute service. A
Which Service Visualizes AWS Costs for a Period?
AWS Cost Explorer is the native cost-management tool that visualizes and manages AWS Cloud costs and usage over any specific period of time through fi
Which Use Case Best Fits EC2 On-Demand Instances?
Amazon EC2 pricing models are matched to workload duration and flexibility, and On-Demand Instances shine where no commitment or interruption toleranc
Which S3 Storage Class Meets Rare Access with Immediate Retrieval?
S3 Standard-Infrequent Access (S3 Standard-IA) is the most cost-effective S3 storage class for data that is rarely accessed but must be retrievable im
Choosing EC2 Purchase Options for Uninterruptible Bursts
This question evaluates the selection of Amazon EC2 pricing models based on workload predictability and interruption tolerance. The correct answer is
Most Cost-Effective Billing Model for Intermittent EC2 Workloads
Determines the optimal AWS billing model for periodic, non-continuous EC2 usage by comparing On-Demand Instances against Reserved and Capacity Reserva
Cost-Effective EC2 Pricing for 12-Month Workloads
This question evaluates the best EC2 pricing model for a steady-state workload running continuously for one year, establishing Reserved Instances as t
Which Workloads Belong on EC2 Spot Instances
Amazon EC2 Spot Instances let you run fault-tolerant, flexible workloads at steep discounts by using spare AWS capacity that AWS can reclaim with a tw
Recommended Use Case for Amazon EC2 On-Demand Instances
Amazon EC2 On-Demand Instances charge pay-as-you-go pricing with no long-term commitment or upfront payment, making them the default choice for spiky,
Optimizing Costs for Predictable EC2 Workloads
Determines the optimal pricing model for predictable Amazon EC2 workloads over a three-year period. Establishes that Savings Plans offer the best bala