Amazon DVA-C02 Practice Test - Questions Answers, Page 36

A developer is automating a new application deployment with AWS SAM. The new application has one AWS Lambda function and one Amazon S3 bucket. The Lambda function must access the S3 bucket to only read objects.

How should the developer configure AWS SAM to grant the necessary read permission to the S3 bucket?

A developer is working on an app for a company that uses an Amazon DynamoDB table named Orders to store customer orders. The table uses OrderlD as the partition key and there is no sort key. The table contains more than 100,000 records. The developer needs to add a functionality that will retrieve all Orders records that contain an OrderSource attribute with the MobileApp value.

Which solution will improve the user experience in the MOST efficient way?

A company is building a serverless application on AWS. The application uses Amazon API Gateway and AWS Lambda. The company wants to deploy the application to its development, test, and production environments.

Which solution will meet these requirements with the LEAST development effort?

A company runs applications on Amazon EKS containers. The company sends application logs from the containers to an Amazon CloudWatch Logs log group. The company needs to process log data in real time based on a specific error in the application logs. Which combination of steps will meet these requirements? (Select TWO.)

A company uses an AWS Lambda function to perform natural language processing (NLP) tasks. The company has attached a Lambda layer to the function. The Lambda layer contain scientific libraries that the function uses during processing.

The company added a large, pre-trained text-classification model to the Lambda layer. The addition increased the size of the Lambda layer to 8.7 GB. After the addition and a recent deployment, the Lambda function returned a RequestEntityTooLargeException error.

The company needs to update the Lambda function with a high-performing and portable solution to decrease the initialization time for the function.

Which solution will meet these requirements?

A company operates a media streaming platform that delivers on-demand video content to users from around the world. User requests flow through an Amazon CloudFront distribution, an Amazon API Gateway REST API, AWS Lambda functions, and Amazon DynamoDB tables.

Some users have reported intermittent buffering issues and delays when users try to start a video stream. The company needs to investigate the issues to discover the underlying cause.

Which solution will meet this requirement?

A company needs to develop a proof of concept for a web service application. The application will show the weather forecast for one of the company's office locations. The application will provide a REST endpoint that clients can call. Where possible, the application should use caching features provided by AWS to limit the number of requests to the backend service. The application backend will receive a small amount of traffic only during testing.

Which approach should the developer take to provide the REST endpoint MOST cost-effectively?

A developer uses AWS IAM Identity Center to interact with the AWS CLI and AWS SDKs on a local workstation. API calls to AWS services were working when the SSO access was first configured. However, the developer is now receiving Access Denied errors. The developer has not changed any configuration files or scripts that were previously working on the workstation.

What is the MOST likely cause of the developer's access issue?

A real-time messaging application uses Amazon API Gateway WebSocket APIs with backend HTTP service. A developer needs to build a feature in the application to identify a client that keeps connecting to and disconnecting from the WebSocket connection. The developer also needs the ability to remove the client

Which combination of changes should the developer make to the application to meet these requirements? (Select TWO.)