Answer: AWS Config

AWS Config is the correct service for tracking how AWS resource configurations change over time. It provides a detailed view of the configuration of AWS resources in your account, including how they are related to one another and how their configurations have changed over time. **Key features of AWS Config:** - **Configuration History**: Records configuration changes to AWS resources - **Configuration Snapshots**: Takes periodic snapshots of resource configurations - **Compliance Tracking**: Helps ensure resources remain compliant with desired configurations - **Relationship Mapping**: Shows how resources are related to each other **Why other options are incorrect:** - **AWS CloudTrail**: Logs API calls and user activity, not resource configurations - **Amazon CloudWatch**: Monitors performance metrics and logs, not configuration changes - **Amazon Inspector**: Security assessment service for vulnerabilities, not configuration tracking AWS Config is specifically designed for configuration management and change tracking across AWS resources.

Author: Ritesh Yadav