The Solutions Architect manages a serverless application that consists of multiple API gateways, AWS Lambda functions, Amazon S3 buckets, and AmazonDynamoDB tab...

The Solutions Architect manages a serverless application that consists of multiple API gateways, AWS Lambda functions, Amazon S3 buckets, and AmazonDynamoDB tables. Customers say that a few application components slow while loading dynamic images, and some are timing out with the `504 GatewayTimeout` error. While troubleshooting the scenario, the Solutions Architect confirms that DynamoDB monitoring metrics are at acceptable levels.
Which of the following steps would be optimal for debugging these application issues? (Choose two.)