Billing & Pricing

Which AWS pricing model charges you only for the compute capacity you use by the second or hour with no long-term commitments?

• AReserved Instances
• BSavings Plans
• COn-Demand Instances✓
• DSpot Instances

Answer: On-Demand Instances let you pay for compute capacity by the second (Linux) or hour with no long-term commitments or upfront payments, ideal for unpredictable workloads.

What tool can help you estimate the cost of AWS services before you start using them?

• AAWS Cost Explorer
• BAWS Pricing Calculator✓
• CAWS Budgets
• DAWS Trusted Advisor

Answer: The AWS Pricing Calculator is a free tool that lets you estimate the cost of AWS services for your use case before actually deploying any resources.

Which AWS support plan provides access to a Technical Account Manager (TAM)?

• ABasic
• BDeveloper
• CBusiness
• DEnterprise✓

Answer: The Enterprise Support plan includes a designated Technical Account Manager (TAM) who provides proactive guidance, architectural reviews, and acts as the primary point of contact for AWS support.

A company needs to run a workload for 3 years and can predict the compute requirements. Which EC2 pricing option provides the most savings?

• AOn-Demand Instances
• BSpot Instances
• CReserved Instances (3-year, all upfront)✓
• DDedicated Hosts

Answer: Reserved Instances with a 3-year commitment and all-upfront payment provide the highest discount (up to 72% compared to On-Demand), making them most cost-effective for predictable, steady-state workloads.

Which EC2 pricing model allows AWS to interrupt your instance with a 2-minute warning and offers the largest discount?

• AReserved Instances
• BOn-Demand Instances
• CSpot Instances✓
• DSavings Plans

Answer: EC2 Spot Instances use spare AWS capacity and can be interrupted with a 2-minute notification. They offer discounts of up to 90% compared to On-Demand prices, ideal for fault-tolerant, flexible workloads.

What does the AWS Free Tier offer to new customers?

• AUnlimited free usage of all AWS services for 1 year
• BA set of always-free, 12-month free, and short-term trial offerings for specific services✓
• CA $300 credit usable on any AWS service
• DFree usage of EC2 and S3 indefinitely

Answer: The AWS Free Tier includes three types of offers: Always Free (services like Lambda with 1M requests/month forever), 12-Month Free (services like EC2 t2.micro for one year after signup), and short-term Trials.

What is AWS Cost Explorer?

• AA tool for estimating costs before deploying resources
• BA tool for visualizing, understanding, and managing your AWS costs and usage over time✓
• CA service that automatically optimizes cloud spending
• DAn alert system for unexpected cost increases

Answer: AWS Cost Explorer is a tool with an easy-to-use interface that lets you visualize, understand, and manage your AWS costs and usage over time, with filtering and grouping capabilities for cost analysis.

What are AWS Savings Plans?

• ADiscounts applied automatically when you use services for long periods
• BA flexible pricing model offering savings up to 72% in exchange for a commitment to a consistent usage amount✓
• CA cost allocation tool for tagging resources
• DReserved capacity for specific EC2 instance types

Answer: AWS Savings Plans offer significant savings over On-Demand pricing in exchange for a commitment to a specific amount of usage ($/hour) for 1 or 3 years, providing more flexibility than Reserved Instances.

What is AWS Budgets?

• AA financial reporting tool for AWS costs
• BA service to set custom budgets and receive alerts when costs or usage exceed thresholds✓
• CA tool for automatically stopping unused resources
• DA cost allocation service using resource tags

Answer: AWS Budgets lets you set custom cost and usage budgets and receive alerts via email or SNS when your actual or forecasted costs exceed the budgeted amount, enabling proactive cost management.

Which AWS service provides a consolidated billing feature for multiple AWS accounts?

• AAWS Cost Explorer
• BAWS Budgets
• CAWS Organizations✓
• DAWS Control Tower

Answer: AWS Organizations provides consolidated billing, allowing you to combine usage across all accounts to receive volume pricing discounts and share Reserved Instance benefits across the organization.

What is the AWS Marketplace?

• AA retail store for purchasing AWS hardware
• BA digital catalog where customers can find, buy, and deploy third-party software on AWS✓
• CAn online community for AWS developers
• DA service for comparing AWS pricing across regions

Answer: AWS Marketplace is a digital catalog with thousands of software listings from independent software vendors, making it easy to find, test, buy, and deploy software that runs on AWS.

What is the purpose of tagging AWS resources?

• AEncrypting resources with specific security classifications
• BOrganizing resources for cost allocation, access control, and operational management✓
• CReplicating resources across multiple regions
• DSetting performance tiers for different resource categories

Answer: Tags are key-value pairs that help you organize, track costs, manage access control, and automate tasks across your AWS resources, enabling cost allocation reports and policy-based management.