A developer is building an application that gives users the ability to view bank account from multiple sources in a single dashboard. The developer has automated the process to retrieve API credentials for these sources.
The process invokes an AWS Lambda function that is associated with an AWS CloudFormation cotton resource.
The developer wants a solution that will store the API credentials with minimal operational overhead.
When solution will meet these requirements?

• A.Add an AWS Secrets Manager GenerateSecretString resource to the CloudFormation template. Set the value to reference new credentials to the Cloudformation resource.
• B.Use the AWS SDK ssm PutParameter operation in the Lambda function from the existing, custom resource to store the credentials as a parameter. Set the parameter value to reference the new credentials. Set ma parameter type to SecureString.
• C.Add an AWS Systems Manager Parameter Store resource to the CloudFormation template. Set the CloudFormation resource value to reference the new credentials Set the resource NoEcho attribute to true.
• D.Use the AWS SDK ssm PutParameter operation in the Lambda function from the existing custom resources to store the credentials as a parameter. Set the parameter value to reference the new credentials. Set the parameter NoEcho attribute to true.

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A developer is updating several AWS Lambda functions and notices that all the Lambda functions share the same custom libraries. The developer wants to centralize all the libraries, update the libraries in a convenient way, and keep the libraries versioned.
Which solution will meet these requirements with the LEAST development effort?

• A.Create an AWS CodeArtifact repository that contains all the custom libraries.
• B.Create a custom container image for the Lambda functions to save all the custom libraries.
• C.Create a Lambda layer that contains all the custom libraries.
• D.Create an Amazon EFS file system to store all the custom libraries.

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A developer is writing unit tests tor a new application that will be deployed on AWS. The developer wants to validate all pull requests with unit tests and merge the code with the main branch only when all tests pass The developer stores the code in AWS CodeCommit and sets up AWS CodeBuild to run the unit tests. The developer creates an AWS Lambda function to start the CodeBuild task. The developer needs to identify the CodeCommit events in an Amazon EventBridge event that can invoke the Lambda function when a pull request is created or updated.
Which CodeCommit event will meet these requirements?

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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A developer is deploying an AWS Lambda function The developer wants the ability to return to older versions of the function quickly and seamlessly.
How can the developer achieve this goal with the LEAST operational overhead?

• A.Maintain deployment packages for older versions in Amazon S3.
• B.Use AWS CodePipeline for deployments and rollbacks.
• C.Use AWS OpsWorks to perform blue/green deployments.
• D.Use a function alias with different versions.

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A developer needs to deploy an application to AWS Elastic Beanstalk for a company. The application consists of a single Docker image. The company's automated continuous integration and continuous delivery (CI/CD) process builds the Docker image and pushes the image to a public Docker registry. How should the developer deploy the application to Elastic Beanstalk?

• A.Create a Dockerfile. Configure Elastic Beanstalk to build the application as a Docker image.
• B.Create a docker-compose.yml file. Use the Elastic Beanstalk CLI to deploy the application.
• C.Create a .zip file that contains the Docker image. Upload the .zip file to Elastic Beanstalk.
• D.Create a Dockerfile. Run the Elastic Beanstalk CLI eb local run command in the same directory.

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