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Amazon DVA-C01 Practice Test - Questions Answers, Page 19

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Question 181

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The Developer for a retail company must integrate a fraud detection solution into the order processing solution. The fraud detection solution takes between ten and thirty minutes to verify an order. At peak, the web site can receive one hundred orders per minute.

What is the most scalable method to add the fraud detection solution to the order processing pipeline?

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Question 182

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A Developer is creating a mobile application with a limited budget. The solution requires a scalable service that will enable customers to sign up and authenticate into the mobile application while using the organization’s current SAML 2.0 identity provider.

Which AWS service should be used to meet these requirements?

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Question 183

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An application is real-time processing millions of events that are received through an API.

What service could be used to allow multiple consumers to process the data concurrently and MOST cost-effectively?

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Question 184

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A Developer needs to use AWS X-Ray to monitor an application that is deployed on EC2 instances.

What steps have to be executed to perform the monitoring?

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Question 185

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A Developer will be using the AWS CLI on a local development server to manage AWS services.

What can be done to ensure that the CLI uses the Developer’s IAM permissions when making commands?

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Question 186

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After installing the AWS CLI, a Developer tries to run the command aws configure but receives the following error:

Error: aws: command not found

What is the most likely cause of this error?

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Question 187

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An on-premises legacy application is caching data files locally and writing shared images to local disks. What is necessary to allow for horizontal scaling when migrating the application to AWS?

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Question 188

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A Developer must trigger an AWS Lambda function based on the item lifecycle activity in an Amazon DynamoDB table. How can the Developer create the solution?

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Question 189

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A gaming company is developing a mobile game application for iOS® and Android® platforms. This mobile game securely stores user data locally on the device. The company wants to allow users to use multiple device for the game, which requires user data synchronization across device.

Which service should be used to synchronize user data across devices without the need to create a backend application?

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Question 190

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An on-premises application is implemented using a Linux, Apache, MySQL and PHP (LAMP) stack.

The Developer wants to run this application in AWS.

Which of the following sets of AWS services can be used to run this stack?

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