Your Serverless Architecture Using AWS API Gateway, AWS Lambda, and AWS

question 17

Multiple Choice

Your serverless architecture using AWS API Gateway, AWS Lambda, and AWS DynamoDB experienced a large increase in traffic to a sustained 400 requests per second, and dramatically increased in failure rates. Your requests, during normal operation, last 500 milliseconds on average. Your DynamoDB table did not exceed 50% of provisioned throughput, and Table primary keys are designed correctly. What is the most likely issue?

• A) Your API Gateway deployment is throttling your requests.
• B) Your AWS API Gateway Deployment is bottlenecking on request (de)serialization.
• C) You did not request a limit increase on concurrent Lambda function executions.
• D) You used Consistent Read requests on DynamoDB and are experiencing semaphore lock.

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