Which AWS service simplifies monitoring and troubleshooting by collecting metrics and logs from applications and cloud resources?
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Correct answer: Amazon CloudWatch.
Why this is the answer
Amazon CloudWatch is the correct answer because it is a monitoring and observability service that collects metrics, logs, and events from AWS resources and applications. This data allows users to monitor their infrastructure, set alarms, visualize operational health, and troubleshoot issues. Amazon EC2 is a compute service, not a monitoring service. AWS Identity and Access Management (IAM) manages access to AWS services and resources, it does not collect metrics or logs. AWS CloudTrail records API calls and related events for auditing and governance, but it is not a comprehensive monitoring solution for metrics and logs like CloudWatch.
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