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Amazon DVA-C01 Practice Test - Questions Answers, Page 46

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Question 451

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A developer must extend an existing application that is based on the AWS Services Application Model (AWS SAM). The developer has used the AWS SAM CLI to create the project. The project contains different AWS Lambda functions. Which combination of commands must the developer use to redeploy the AWS SAM application (Select TWO.)

Sam init
Sam init
Sam validate
Sam validate
Sam build
Sam build
Sam deploy
Sam deploy
Sam publish
Sam publish
Suggested answer: A, D
asked 16/09/2024
Jordan Arribas Aranda
36 questions

Question 452

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A developer used the BalehWnteltern API operation to insert items in an Amazon DynamoDB table OynamoDB returned a few items as unprocessed due to throttling The developer decides to retry the records on the unprocessed items What should the developer do to reprocess the records with the LEAST number of API calls'?

Retry the BatchWriteltem operation immediately
Retry the BatchWriteltem operation immediately
Perform the Putltem operation on the unprocessed items individually instead of using the BatchWriteltem operation
Perform the Putltem operation on the unprocessed items individually instead of using the BatchWriteltem operation
Delay the BatchWriteltem operation by using progressively longer wait times between retries, or exponential backoff
Delay the BatchWriteltem operation by using progressively longer wait times between retries, or exponential backoff
Delete the items that were successfully processed, and reissue a new BatchWriteltem operation
Delete the items that were successfully processed, and reissue a new BatchWriteltem operation
Suggested answer: D
asked 16/09/2024
George Sanchez
38 questions

Question 453

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A team deployed an AWS CloudFormaiion template to update a stack that already included an Amazon RDS DB instance However, before the deployment of the update the team changed the name of the DB instance on the template by mistake The DeletionPoIicy attribute for all resources was not changed from the default values What will be the result of this mistake?

AWS CloudFormation will create a new database and delete the old one
AWS CloudFormation will create a new database and delete the old one
AWS CloudFormation will create a new database and keep the old one
AWS CloudFormation will create a new database and keep the old one
AWS CloudFormation will overwrite the existing database and rename it
AWS CloudFormation will overwrite the existing database and rename it
AWS CloudFormation will leave the existing database and will not create a new one
AWS CloudFormation will leave the existing database and will not create a new one
Suggested answer: A
asked 16/09/2024
Marcos Losa Torviso
53 questions

Question 454

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An application uses Amazon DynamoDB as its backend database The application experiences sudden spikes in traffic over the weekend and variable but predictable spikes during weekdays The capacity needs to be set to avoid throttling errors at all times How can this be accomplished cost-effectively?

Use provisioned capacity with AWS Auto Scaling throughout the week.
Use provisioned capacity with AWS Auto Scaling throughout the week.
Use on-demand capacity for the weekend and provisioned capacity with AWS Auto Scaling during the weekdays
Use on-demand capacity for the weekend and provisioned capacity with AWS Auto Scaling during the weekdays
Use on-demand capacity throughout the week
Use on-demand capacity throughout the week
Use provisioned capacity with AWS Auto Scaling enabled during the weekend and reserved capacity enabled during the weekdays
Use provisioned capacity with AWS Auto Scaling enabled during the weekend and reserved capacity enabled during the weekdays
Suggested answer: A
asked 16/09/2024
David Stutz
31 questions

Question 455

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A developer needs to deploy a new version to an AWS Elastic Beanstalk application How can the developer accomplish this task?

Upload and deploy the new application version in the Elastic Beanstalk console
Upload and deploy the new application version in the Elastic Beanstalk console
Use the eb init CLI command to deploy a new version '
Use the eb init CLI command to deploy a new version '
Terminate the current Elastic Beanstalk environment and create a new one
Terminate the current Elastic Beanstalk environment and create a new one
Modify the ebextensions folder to add a source option to services
Modify the ebextensions folder to add a source option to services
Suggested answer: A
asked 16/09/2024
Sebastian van de Zweerde
43 questions

Question 456

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A developer wants to use React to build a web and mobile application. The application will be hosted on AWS The application must authenticate users and then allow users to store and retrieve files that they own The developer wants to use Facebook for authentication Which CLI will MOST accelerate the development and deployment of this application on AWS?

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Question 457

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A developer has created an AWS Lambda function that is written in Python The Lambda function reads data from objects in Amazon S3 and writes data to an Amazon DynamoDB table The function is successfully invoked from an S3 event notification when an object is created However, the function fails when if attempts to write to the DynamoDB table What is the MOST likely cause of this issue?

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Question 458

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Multiple development teams are working on a project to migrate a monolithic application to a microservices-based application running on AWS Lambda The teams need a way to centrally manage code that is shared across multiple functions Which approach requires the LEAST maintenance?

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Question 459

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A developer has written an application that runs on Amazon EC2 instances. The developer is adding functionality for the application to write objects to an Amazon S3 bucket Which policy must the developer modify to allow the instances to write these objects?

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Question 460

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A developer tested an application locally and then deployed it to AWS Lambda While testing the application remotely the Lambda function fails with an access denied message. How can this issue be addresksed?

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