Correct answer - "AWS CloudWatch Events + SNS" : You can create a CloudWatch Event for your
failed builds and send build notifications to subscribers whenever builds fail
"AWS CloudWatch Alarms + SNS" - Alarms do integrate with SNS notifications, the difference is
that an alarm takes place once, at a specific point in time. Events are recorded constantly,
over time and provide a stream of information
"Kinesis" - Don't confuse data streams with event stream data from CloudWatch events. Kinesis is
not a monitoring service that sends data streams based on monitoring your services
"CloudTrail" - This is a service that enables governance, compliance, operational auditing, and
risk auditing of your AWS account, obviously not what you need for our solution
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