EXAMS AWS CERTIFIED DEVELOPER - ASOCIATE 4

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Can you configure an RDS Read Replica using CloudFormation templates?

AWS CloudFormation gives developers and systems administrators an easy way to create and manage collections of AWS resources. You can now set Read Replicas for your databases with RDS when you create a new CloudFormation template. You can start using it with the sample template of CloudFormation.

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An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. 


Item attributes consist of individual name, office identifier, and cumulative daily hours. 


Managers run reports for ranges of names working in their office. One query is. 


"Return all Items in this office for names starting with A through E". 


Which table configuration will result in the lowest impact on provisioned throughput for this query?

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True or FalseIn DynamoDB, Scan operations are always eventually consistent.

In DynamoDB, Scan operations are always eventually consistent. http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/APISummary.html

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A company wants to implement a continuous integration for its workloads on AWS. 


The company wants to trigger unit test in its pipeline for commits-on its code repository, and wants to be notified of failure events in the pipeline. 


How can these requirementsbe met?

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An application is designed to use Amazon SQS to manage messages from many independent senders. 


Each sender's messages must be processed in the order they are received. 


Which SQS feature should be implemented by the Developer?

https://aws.amazon.com/blogs/developer/how-the-amazon-sqs-fifo-api-works/

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A Developer has created a large Lambda function, and deployment is failing with the following errorClientErrorAn error occurred (InvalidParameterValueException) when calling the CreateFunction operationUnzipped size must be smaller than XXXXXXXXXbytes', where XXXXXXXXXis the current Lambda limit What can the Developer do to fix this problem?

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A Developer has written a serverless application using multiple AWSservices. 


The business logic is written as a Lambda function which has dependencies on third-party libraries. 


The Lambda function endpoints will be exposed using Amazon API Gateway. 


The Lambda function will write the information to Amazon DynamoDB. 


The Developer is ready to deploy the application but must have the ability to rollback. 


How can this deployment be automated, based on these requirements?

https://docs.aws.amazon.com/lambda/latest/dg/automating-deployment.html

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A Developer is working on an application that tracks hundreds of millions of product reviews in an Amazon DynamoDB table. 


The records include the data elements shown in the table

 

 

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