DVA-C01 (Page 4)

A developer has built a market application that stores pricing data in Amazon DynamoDB with Amazon ElastiCache in front.The prices of items in the market change frequently.Sellers have begun complaining that, after they update the price of an item, the price does not actually change in the product listing.What could be causing this issue?Read More →

A company is using AWS Elastic Beanstalk to manage web applications that are running on Amazon EC2 instances.A developer needs to make configuration changes.The developer must deploy the changes to new instances only.Which types of deployment can the developer use to meet this requirement? (Choose two.)Read More →

A developer wants to expand an application to run in multiple AWS Regions.The developer wants to copy Amazon Machine Images (AMIs) with the latest changes and create a new application slack in the destination Region.According to company requirements, all AMIs must be encrypted in all Regions.However, not all the AMIs that the company uses are encrypted.How can the developer expand the application to run in the destination Region while meeting the encryption requirement?Read More →

A developer needs to write an AWS CloudFormation template on a local machine and deploy a CloudFormation stack to AWS.What must the developer do to complete these tasks?Read More →

A company is developing an application that will be accessed through the Amazon API Gateway REST API.Registered users should be the only ones who can access certain resources of this API.The token being used should expire automatically and needs to be refreshed periodically.How can a developer meet these requirements?Read More →

A company has a serverless application that uses Amazon API Gateway backed by AWS Lambda proxy integration.The company is developing several backend APIs.The company needs a landing page to provide an overview of navigation to the APIs.A developer creates a new /LandingPage resource and a new GET method that uses mock integration.What should the developer do next to meet these requirements?Read More →

A developer is storing many objects in a single Amazon S3 bucket.The developer needs to optimize the S3 bucket for high request rates.How should the developer store the objects to meet this requirement?Read More →

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 addressed?Read More →

A Developer has been asked to create an AWS Lambda function that is triggered any time updates are made to items in an Amazon DynamoDB table.The function has been created, and appropriate permissions have been added to the Lambda execution role.Amazon DynamoDB streams have been enabled for the table, but the function is still not being triggered.Which option would enable DynamoDB table updates to trigger the Lambda function?Read More →

A developer designed an application on an Amazon EC2 instance.The application makes API requests to objects in an Amazon S3 bucket.Which combination of steps will ensure that the application makes the API requests in the MOST secure manner? (Choose two.)Read More →