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Amazon DVA-C01 Practice Test - Questions Answers, Page 53

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Question 521

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A developer is debugging an AWS Lambda function behind an Amazon API Gateway. Whenever the API Gateway endpoint is called, HTTP status code 200 is returned even though AWS Lambda is recording a 4xx error. What change needs to be made to return a proper error code through the API Gateway?

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Question 522

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A developer is creating a web application that collects highly regulated and confidential user data through a POST request. The web application is served through Amazon CloudFront. User names and phone numbers must be encrypted at the edge and must remain encrypted throughout the entire application stack.

What is the MOST secure way to meet these requirements?

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Question 523

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A developer is storing JSON files in an Amazon S3 bucket. The developer wants to securely share an object with a specific group of people. How can the deveioper securely provide temporary access to the objects that are stored in the S3 bucket?

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Question 524

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A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company I up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in.

What is the MOST operationally efficient solution that meets this requirement?

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Question 525

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A company is using AWS Elastic Beanstalk to deploy a three-tier application. The application uses an Amazon RDS DB instance as the database tier. The com wants to decouple the DB instance from the Elastic Beanstalk environment. Which combination of steps should a developer take to meet this requirement? (Select TWO.)

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Question 526

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A developer deployed an application to an Amazon EC2 instance. The application needs to know the public IPv4 address of the instance. How can the application find this information?

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Question 527

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A company has a serverless application that uses AWS Lambda functions and AWS Systems Manager parameters to store configuration dat a. The company....... the Lambda functions inside the VPC and into private subnets. The Lambda functions are now producing errors in their attempts to access Systems Manager parameters.

Which solution will allow the Lambda functions to access Systems Manager parameters inside the VPC?

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Question 528

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A developer is writing an AWS Lambda function. The Lambda function needs to access items that are stored in an Amazon DynamoDB table. What is the MOST secure way to configure this access for the Lambda function?

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Question 529

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A company that has multiple offices uses an Amazon DynamoDB table to store employee payroll information. Item attributes consist of employee names, office identifiers, and cumulative daily hours worked. The most frequently used query extracts a report of an alphabetical subset of employees for a specific office.

Which design of the DynamoDB table primary key will have the MINIMUM performance impact?

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Question 530

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A data-processing application includes an AWS Lambda function that processes data in several steps. Recently, the function has been reaching the Lambda tii A developer wants to use AWS X-Ray to find out how long each step is taking so that the developer can determine which step is causing the timeout. Which combination of actions should the developer take to accomplish this goal? (Select TWO.)

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A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company I up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in. What is the MOST operationally efficient solution that meets this requirement?
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