To improve the performance of an application which has highly variable traffic, you want to scale your EC2 fleet based on a custom metric like 'Number of messages in SQS queue'. How should you configure this?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Auto Scaling Policy using 'Target Tracking' or 'Step Scaling' on the SQS metric

Dynamic scaling allows you to respond to load changes in real-time based on specific business metrics....

📋Part of AWS Certified DevOps Engineer – Professional (DOP-C02) · AWS Certification Practice
Real Exam ScenarioScenario Based

To improve the performance of an application which has highly variable traffic, you want to scale your EC2 fleet based on a custom metric like 'Number of messages in SQS queue'. How should you configure this?

✓ Correct Answer & ExplanationScenario Based

Correct Answer

Auto Scaling Policy using 'Target Tracking' or 'Step Scaling' on the SQS metric

Why This Answer Is Correct

Dynamic scaling allows you to respond to load changes in real-time based on specific business metrics.

📚 What This Question Tests

This question evaluates your knowledge of Scenario Based — a core concept tested in AWS Certified DevOps Engineer – Professional (DOP-C02). Understanding Scenario Based is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.