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How can a developer implement time measurement and notification for a photo-processing application on Amazon EC2, ensuring processing time is under 5 seconds with minimal operational overhead?
A
Use Amazon CloudWatch to create a custom metric for processing time and set an alarm with a 5-second threshold, notifying via Amazon SNS.
B
Leverage Amazon SQS to log processing times and develop an application to monitor the queue, triggering an Amazon SNS notification for times over 5 seconds.
C
Record processing times with Amazon CloudWatch metrics, configure an alarm for average times exceeding 5 seconds, and notify using Amazon SES.
D
Publish processing times to an Amazon Kinesis data stream and set a CloudWatch alarm for values over 5 seconds, with notifications sent via Amazon SNS.
