AWS free tier overview - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding AWS Free Tier Limits

Which of the following AWS Free Tier offerings provides 750 hours per month for the first 12 months?

A Amazon RDS Multi-AZ deployments

B Amazon S3 storage space

C Amazon EC2 t2.micro instance usage

D Amazon Lambda concurrent executions

💡 Hint

Think about which service offers a monthly usage limit measured in hours.

The AWS Free Tier includes 750 hours per month of Amazon EC2 t2.micro instance usage for the first 12 months. Other services have different limits or are not measured in hours.

❓ service_behavior

intermediate

AWS Free Tier Storage Limits

What is the maximum amount of Amazon S3 storage included in the AWS Free Tier per month?

A 15 GB

B 5 GB

C 50 GB

D 100 GB

💡 Hint

Consider the typical free storage size offered by AWS S3 in the Free Tier.

The AWS Free Tier includes 5 GB of standard Amazon S3 storage per month for the first 12 months.

❓ Architecture

advanced

Designing a Free Tier Compliant Web Application

You want to build a simple web application using AWS Free Tier resources. Which combination of services will keep you within the Free Tier limits for the first year?

A Amazon EC2 t2.micro instance, Amazon RDS Single-AZ db.t2.micro, Amazon S3 5 GB

B Amazon EC2 m5.large instance, Amazon RDS Multi-AZ db.m5.large, Amazon S3 50 GB

C AWS Lambda with 1 million free requests, Amazon DynamoDB 25 GB storage, Amazon S3 100 GB

D Amazon Lightsail 750 hours, Amazon RDS Multi-AZ db.t3.medium, Amazon S3 5 GB

💡 Hint

Focus on instance types and storage sizes that match Free Tier limits.

Option A uses instance types and storage sizes that are included in the AWS Free Tier. Other options exceed Free Tier limits or use services not fully covered.

❓ security

advanced

Security Best Practices Within AWS Free Tier

Which AWS Free Tier feature helps you monitor and secure your account usage to avoid unexpected charges?

A AWS Budgets with alerts

B AWS Config rules enforcement

C AWS Shield Advanced protection

D Amazon Inspector scans

💡 Hint

Think about tools that notify you about spending limits.

AWS Budgets allows you to set custom cost and usage budgets and receive alerts, helping you stay within Free Tier limits. Other options are security tools but do not provide cost alerts.

✅ Best Practice

expert

Optimizing AWS Free Tier Usage for Cost Efficiency

You have a workload that occasionally spikes above Free Tier limits. Which strategy best minimizes unexpected charges while using AWS Free Tier?

A Disable all monitoring to reduce overhead costs

B Manually check usage once a month and adjust resources

C Use only on-demand m5.large instances without monitoring

D Set up AWS Budgets with alerts and use Auto Scaling with t2.micro instances

💡 Hint

Consider automation and proactive alerts to control costs.

Setting AWS Budgets with alerts and using Auto Scaling with Free Tier eligible instances helps manage usage dynamically and avoid unexpected charges. Other options either ignore monitoring or use costly resources.