Answer: Amazon CloudWatch

## Explanation Amazon CloudWatch is the correct answer because it is AWS's monitoring and observability service designed specifically for collecting and tracking metrics, logs, and events from AWS resources and applications. ### Why CloudWatch is correct: - **Metrics Collection**: CloudWatch collects monitoring and operational data in the form of logs, metrics, and events - **AWS Service Integration**: It automatically provides metrics for many AWS services like EC2, S3, RDS, Lambda, etc. - **Real-time Monitoring**: Allows you to monitor AWS resources and applications in real-time - **Custom Metrics**: You can also publish your own custom metrics ### Why other options are incorrect: - **A. Amazon CloudFront**: This is a content delivery network (CDN) service, not a monitoring service - **B. Amazon CloudSearch**: This is a managed search service, not related to metrics collection - **D. Amazon Machine Learning (Amazon ML)**: This is a machine learning service for building ML models, not for metrics monitoring CloudWatch provides a unified view of AWS resource utilization, application performance, and operational health, making it essential for monitoring AWS environments.

Author: Ritesh Yadav