AWS Certified Developer - Associate
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Ultimate access to all questions.
A company requires real-time monitoring of an AWS Lambda function processing IoT device messages to ensure SLA compliance. The developer must implement a solution to measure the function's throughput, excluding initialization and post-processing times. What is the appropriate action?
A
Monitor throughput using Lambda's ConcurrentExecutions metric in Amazon CloudWatch.
B
Log throughput in Amazon CloudWatch Logs, processed by a separate Lambda function triggered by Amazon EventBridge.
C
Publish custom metrics in Amazon CloudWatch for each message processed, then calculate throughput.
D
Calculate throughput using Lambda's Invocations and Duration metrics in Amazon CloudWatch.