An AWS Lambda function in a VPC polls an SQS queue via a VPC endpoint to calculate a rolling average of numeric message values. The developer encounters inaccuracies in the calculated average. What is the best approach to ensure accurate calculations?

Exam-Like

Limit function concurrency to one and use ElastiCache to store and calculate the rolling average.

46.2%

Utilize ElastiCache to maintain message values for initializing and calculating the rolling average.

30.8%

Set provisioned concurrency to one and use ElastiCache for rolling average storage and calculation.

15.4%

Store message values in Lambda layers for initializing and calculating the rolling average.

7.7%

AWS Certified Developer - Associate