Topic #: - All AWS DevOps Engineer Professional Questions

A. Install the Amazon CloudWatch agent on all instances to push the application logs to CloudWatch Logs. Use metric filters to count the error messages every minute, and initiate a CloudWatch alarm if the count exceeds 10 errors.
B. Install the Amazon CloudWatch agent on all instances to push the access logs to CloudWatch Logs. Create an Amazon EventBridge (Amazon CloudWatch Events) rule to count the error messages every minute, and initiate a CloudWatch alarm if the count exceeds 10 errors.
C. Install the Amazon CloudWatch agent on all instances to push the application logs to CloudWatch Logs. Use a metric filter to generate a custom CloudWatch metric that records the number of failures and initiates a CloudWatch alarm if the custom metric reaches 10 errors in a 1-minute period.
D. Deploy a custom script on all instances to check application logs regularly in a cron job. Count the number of error messages every minute, and push a data point to a custom CloudWatch metric. Initiate a CloudWatch alarm if the custom metric reaches 10 errors in a 1-minute period.

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