Developer Associate (Page 28)

A team is developing an application that is deployed on Amazon EC2 instances.During testing, the team receives an error.The EC2 instances are unable to access an Amazon S3 bucket.Which steps should the team take to troubleshoot this issue? (Choose two.)Read More →

A developer is using Amazon CodeGuru Profiler.The developer has configured the application with the CodeGuru Profiler agent.However, when the application runs, the developer notices that a significant number of events are missing from the generated profile.How can the developer reduce the number of missed events in the profile?Read More →

A company is providing read access to objects in an Amazon S3 bucket for different customers.The company uses IAM permissions to restrict access to the S3 bucket.The customers can access only their own files.Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.Which solution will meet these requirements?Read More →

A developer is configuring an Amazon CloudFront distribution for a new application to provide encryption in transit.The application is running in the eu-west-1Region.The developer creates a new certificate in AWS Certificate Manager (ACM) in eu-west-1, but the certificate is not visible in the CloudFront distribution settings.What should the developer do to fix this problem?Read More →

A developer wants to use AWS Elastic Beanstalk to test a new version of an application in a test environment.Which deployment method offers the FASTEST deployment?Read More →

A company is developing a publicly accessible single-page application.The application makes calls from a client web browser to backend services to provide a user interface to customers.The application depends on a third-party web service exposed as an HTTP API.The web client must provide an API key to the third-party web service by using the HTTP header as part of the HTTP request.The company’s API key must not be exposed to the users of the web application.Which solution will meet these requirements MOST cost-effectively?Read More →

A company is updating an application to move the backend of the application from Amazon EC2 instances to a serverless model.The application uses an Amazon RDS for MySQL DB instance and runs in a single VPC on AWS.The application and the DB instance are deployed in a private subnet in the VPC.The company needs to connect AWS Lambda functions to the DB instance.Which solution will meet these requirements?Read More →

A company has a three-tier application that is deployed in Amazon Elastic Container Service (Amazon ECS).The application is using an Amazon RDS for MySQL DB instance.The application performs more database reads than writes.During times of peak usage, the application’s performance degrades.When this performance degradation occurs, the DB instance’s ReadLatency metric in Amazon CloudWatch increases suddenly.How should a developer modify the application to improve performance?Read More →

A software company is launching a multimedia application.The application will allow guest users to access sample content before the users decide if they want to create an account to gain full access.The company wants to implement an authentication process that can identify users who have already created an account.The company also needs to keep track of the number of guest users who eventually create an account.Which combination of steps will meet these requirements? (Choose two.)Read More →

A calendar application gives users the ability to schedule and share events.The application stores its data in several Amazon DynamoDB tables.The Events table stores all events for the application.The Events table has a primary key in which the partition key is the date of the event and the sort key is the user’s unique ID number.A developer is working on a dashboard that will show each user all the details for all their events scheduled on a single day.The developer needs to get the data from the Events table.What should the developer do to get the relevant data MOST efficiently?Read More →