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Which AWS service shows whether an Amazon EC2 instance has failed status checks?
A
AWS CloudTrail
B
Amazon CloudWatch
C
AWS Health Dashboard
D
AWS Cloud Map
Explanation:
Amazon CloudWatch is the correct AWS service that shows whether an Amazon EC2 instance has failed status checks.
EC2 Status Checks: CloudWatch monitors EC2 instances and provides status checks that include:
System Status Checks: Monitor the AWS systems required to use your instance
Instance Status Checks: Monitor the software and network configuration of your individual instance
Monitoring Capabilities: CloudWatch collects monitoring and operational data in the form of logs, metrics, and events
Alarms and Notifications: You can set up CloudWatch alarms to notify you when status checks fail
AWS CloudTrail: Records API calls and management events for auditing and compliance, not for monitoring instance health
AWS Health Dashboard: Provides information about AWS service health and personal health events, but not specific EC2 instance status checks
AWS Cloud Map: A service discovery service for cloud resources, not for monitoring instance health
CloudWatch is specifically designed for monitoring AWS resources and provides detailed metrics and status information for EC2 instances.