A solutions architect wants to automatically trigger a Lambda function whenever an EC2 instance state changes to 'terminated'. Which service should be used to route this event?

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

Correct Answer: Amazon EventBridge (formerly CloudWatch Events)

EventBridge is the standard way to respond to state changes in AWS resources and route them to targets like Lambda or SNS....

📋Part of AWS Certified Solutions Architect – Associate (SAA-C03) · AWS Certification Practice
Real Exam ScenarioAmazon CloudWatch

A solutions architect wants to automatically trigger a Lambda function whenever an EC2 instance state changes to 'terminated'. Which service should be used to route this event?

✓ Correct Answer & ExplanationAmazon CloudWatch

Correct Answer

Amazon EventBridge (formerly CloudWatch Events)

Why This Answer Is Correct

EventBridge is the standard way to respond to state changes in AWS resources and route them to targets like Lambda or SNS.

📚 What This Question Tests

This question evaluates your knowledge of Amazon CloudWatch — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding Amazon CloudWatch 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.