Topic #: - All AWS Certified Solutions Architect - Professional Questions

A. Lambda has very low memory assigned, which causes the function to fail at peak load.
B. Lambda is in a subnet that uses a NAT gateway to reach out of the internet, and the function instance does not have sufficient Amazon EC2 resources in the VPC to scale with the load.
C. The throttle limit set on API Gateway is very low. During peak load, the additional requests are not making their way through to Lambda. Most Voted
D. DynamoDB is set up in an auto scaling mode. During peak load, DynamoDB adjusts capacity and throughput behind the scenes, which is causing the temporary downtime. Once the scaling completes, the retries go through successfully.

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