Recent questions tagged aws-developer-certification-exam

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Your application currently points to several Lambda functions in AWS. A change is being made to one of the Lambda functions. You need to ensure that application traffic is shifted slowly from one Lambda function to the other.

asked Aug 6 in AWS by DavidAnderson

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You are planning to use the Serverless Application model which will be used to deploy a serverless application consisting of a Node.js function.

asked Aug 6 in AWS by DavidAnderson

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You have a legacy application that works via XML messages. You need to place the application behind the API gateway for customers to make API calls.

asked Aug 6 in AWS by DavidAnderson

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You have developed a Web-based application that makes calls to backend API. Which of the following headers are required by Web browsers to be set up in each API method which has CORS enabled?

asked Aug 6 in AWS by DavidAnderson

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You are developing a Java-based application that needs to make use of the AWS KMS service for encryption. Which of the following must be done for the encryption and decryption process?

asked Aug 6 in AWS by DavidAnderson

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You are planning on deploying an application to the worker role in Elastic Beanstalk. Moreover, this worker application is going to run the periodic tasks.

asked Aug 3 in AWS by DavidAnderson

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Your team developed and deployed a java application on an EC2 Instance. To test the application, you were given access credentials through keys using environment variables.

asked Aug 3 in AWS by DavidAnderson

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An application is currently accessing a DynamoDB table. Currently, the table queries are performing well. Changes have been made to the application, and now the performance of the application is starting to degrade.

asked Aug 3 in AWS by DavidAnderson

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You are using the AWS CodeDeploy service to deploy an application onto AWS. The application uses secure parameters which are stored in the AWS Systems Manager Parameter Store.

asked Aug 3 in AWS by DavidAnderson

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Your team has developed an application that makes use of AWS resources. In order to provide frequent releases to the customer, you are required to automate the CI/CD process.

asked Aug 3 in AWS by DavidAnderson

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Your company is hosting a set of resources on the AWS Cloud. There is now a security requirement that states that all API requests to the STS service be monitored.

asked Aug 3 in AWS by DavidAnderson

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You have deployed an application on an EC2 Instance. This application makes calls to a DynamoDB service. There are numerous performance issues present in the application. You decide to use the XRay service to debug the performance issues.

asked Aug 3 in AWS by DavidAnderson

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You have been instructed to use the CodePipeline service for the CI/CD automation in your company. Due to security reasons, the resources that would be part of the deployment are placed in another account.

asked Aug 3 in AWS by DavidAnderson

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You have defined some custom policies in AWS. You need to test out the permissions assigned to those policies.

asked Aug 3 in AWS by DavidAnderson

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When calling an API operation on an EC2 Instance, the following error message was returned. A client error (UnauthorizedOperation) occurred when calling the RunInstances operation: You are not authorized to perform this operation.

asked Aug 3 in AWS by DavidAnderson

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An application needs to use an authentication in AWS. Users need to have MFA enabled when trying to log into the application.

asked Aug 3 in AWS by DavidAnderson

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You have docker containers that are going to be deployed in the AWS Elastic Container Service. You need to ensure that the underlying EC2 instances hosting the containers cannot access each other

asked Aug 3 in AWS by DavidAnderson

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A company is planning to use a cache service for their application.An important requirement is that trying to recover data lost in cache is an expensive affair for the company, which they would want to avoid.

asked Aug 3 in AWS by DavidAnderson

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An application is currently in production that makes calls to an AWS RDS Instance. The database has recently been facing performance problems. It has been noticed that some static read queries are putting a strain on the database.

asked Aug 3 in AWS by DavidAnderson

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An application has a database in an AWS RDS Instance. When the traffic is high, the application's response time grows as there are many read queries to the RDS database.

asked Aug 3 in AWS by DavidAnderson

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