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AWS Certified Developer - Associate Questions and Answers

Question 81

A developer is creating AWS CloudFormation templates to manage an application's deployment in Amazon Elastic Container Service (Amazon ECS) through AWS CodeDeploy. The developer wants to automatically deploy new versions of the application to a percentage of users before the new version becomes available for all users.

How should the developer manage the deployment of the new version?

Options:

Modify the CloudFormation template to include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

Deploy the new version in a new CloudFormation stack. After testing is complete, update the application's DNS records for the new stack.

Run CloudFormation stack updates on the application stack to deploy new application versions when they are available.

Create a nested stack for the new version. Include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

Question 82

A company wants to migrate applications from its on-premises servers to AWS. As a first step, the company is modifying and migrating a non-critical application to a single Amazon EC2 instance. The application will store information in an Amazon S3 bucket. The company needs to follow security best practices when deploying the application on AWS.

Which approach should the company take to allow the application to interact with Amazon S3?

Options:

Create an 1AM role that has administrative access to AWS. Attach the role to the EC2 instance.

Create an 1AM user. Attach the AdministratorAccess policy. Copy the generated access key and secret key. Within the application code, use the access key and secret key along with the AWS SDK to communicate with Amazon S3.

Create an 1AM role that has the necessary access to Amazon S3. Attach the role to the EC2 instance.

Create an 1AM user. Attach a policy that provides the necessary access to Amazon S3. Copy the generated access key and secret key. Within the application code, use the access key and secret key along with the AWS SDK to communicate with Amazon S3.

Question 83

A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop the APIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.

Which action can help the company achieve this goal?

Options:

Enable API caching in API Gateway.

Configure API Gateway to use an interface VPC endpoint.

Enable cross-origin resource sharing (CORS) for the APIs.

Configure usage plans and API keys in API Gateway.

Question 84

A developer has created an AWS Lambda function that makes queries to an Amazon Aurora MySQL DB instance. When the developer performs a test the OB instance shows an error for too many connections.

Which solution will meet these requirements with the LEAST operational effort?

Options:

Create a read replica for the DB instance Query the replica DB instance instead of the primary DB instance.

Migrate the data lo an Amazon DynamoDB database.

Configure the Amazon Aurora MySQL DB instance tor Multi-AZ deployment.

Create a proxy in Amazon RDS Proxy Query the proxy instead of the DB instance.

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AWS Certified Developer - Associate Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce