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Question 249

A company has configured Amazon RDS storage autoscaling for its RDS DB instances. A DevOps team needs to visualize the autoscaling events on an Amazon CloudWatch dashboard.

Which solution will meet this requirement?

Create an Amazon EventBridge rule that reacts to RDS storage autoscaling events from RDS events. Create an AWS Lambda function that publishes a CloudWatch custom metric. Configure the EventBridge rule to invoke the Lambda function. Visualize the custom metric by using the CloudWatch dashboard.

Create a trail by using AWS CloudTrail with management events configured. Configure the trail to send the management events to Amazon CloudWatch Logs. Create a metric filter in CloudWatch Logs to match the RDS storage autoscaling events. Visualize the metric filter by using the CloudWatch dashboard.

Create an Amazon EventBridge rule that reacts to RDS storage autoscaling events from the RDS events. Create a CloudWatch alarm. Configure the EventBridge rule to change the status of the CloudWatch alarm. Visualize the alarm status by using the CloudWatch dashboard.

Create a trail by using AWS CloudTrail with data events configured. Configure the trail to send the data events to Amazon CloudWatch Logs. Create a metric filter in CloudWatch Logs to match the RDS storage autoscaling events. Visualize the metric filter by using the CloudWatch dashboard.

Correct Answer: A

The most efficient solution involves directly reacting to Amazon RDS storage autoscaling events and publishing them to a custom CloudWatch metric. Creating an Amazon EventBridge rule to react to these specific events and then using an AWS Lambda function to publish the events to a CloudWatch custom metric provides a straightforward way to visualize these metrics. This avoids the complexity and potential delay introduced by creating metric filters in CloudWatch Logs through CloudTrail. Thus, creating an Amazon EventBridge rule and a Lambda function offers a more streamlined and direct method, which is better suited for visualizing RDS storage autoscaling events on a CloudWatch dashboard.

Discussion

trungtdOption: A

While CloudTrail can capture RDS events and send them to CloudWatch Logs, creating a metric filter in CloudWatch Logs is more complex and indirect compared to using EventBridge and a Lambda function to publish custom metrics directly to CloudWatch.

tgv

---> A