QUESTION: 129

A DevOps engineer is working on a project that is hosted on Amazon Linux and has failed a security review. The DevOps manager has been asked to review the company buildspec.yaml file for an AWS CodeBuild project and provide recommendations. The buildspec.yaml file is configured as follows:

What changes should be recommended to comply with AWS security best practices? (Choose three.)

Add a post-build command to remove the temporary files from the container before termination to ensure they cannot be seen by other CodeBuild users.
Update the CodeBuild project role with the necessary permissions and then remove the AWS credentials from the environment variable.
Store the DB_PASSWORD as a SecureString value in AWS Systems Manager Parameter Store and then remove the DB_PASSWORD from the environment variables.
Move the environment variables to the ‘db-deploy-bucket’ Amazon S3 bucket add a prebuild stage to download, then export the variables.
Use AWS Systems Manager run command versus scp and ssh commands directly to the instance.
Scramble the environment variables using XOR followed by Base64, add a section to install, and then run XOR and Base64 to the build phase.

Answer(s): B,C,E

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QUESTION: 130

A company has a legacy application. A DevOps engineer needs to automate the process of building the deployable artifact for the legacy application. The solution must store the deployable artifact in an existing Amazon S3 bucket for future deployments to reference.

Which solution will meet these requirements in the MOST operationally efficient way?

Create a custom Docker image that contains all the dependencies for the legacy application. Store the custom Docker image in a new Amazon Elastic Container Registry (Amazon ECR) repository. Configure a new AWS CodeBuild project to use the custom Docker image to build the deployable artifact and to save the artifact to the S3 bucket.
Launch a new Amazon EC2 instance. Install all the dependencies for the legacy application on the EC2 instance. Use the EC2 instance to build the deployable artifact and to save the artifact to the S3 bucket.
Create a custom EC2 Image Builder image. Install all the dependencies for the legacy application on the image. Launch a new Amazon EC2 instance from the image. Use the new EC2 instance to build the deployable artifact and to save the artifact to the S3 bucket.
Create an Amazon Elastic Kubernetes Service (Amazon EKS) cluster with an AWS Fargate profile that runs in multiple Availability Zones. Create a custom Docker image that contains all the dependencies for the legacy application. Store the custom Docker image in a new Amazon Elastic Container Registry (Amazon ECR) repository. Use the custom Docker image inside the EKS cluster to build the deployable artifact and to save the artifact to the S3 bucket.

Answer(s): A

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QUESTION: 131

A company builds a container image in an AWS CodeBuild project by running Docker commands. After the container image is built, the CodeBuild project uploads the container image to an Amazon S3 bucket. The CodeBuild project has an IAM service role that has permissions to access the S3 bucket.

A DevOps engineer needs to replace the S3 bucket with an Amazon Elastic Container Registry (Amazon ECR) repository to store the container images. The DevOps engineer creates an ECR private image repository in the same AWS Region of the CodeBuild project. The DevOps engineer adjusts the IAM service role with the permissions that are necessary to work with the new ECR repository. The DevOps engineer also places new repository information into the docker build command and the docker push command that are used in the buildspec.yml file.

When the CodeBuild project runs a build job, the job fails when the job tries to access the ECR repository.

Which solution will resolve the issue of failed access to the ECR repository?

Update the buildspec.yml file to log in to the ECR repository by using the aws ecr get-login-password AWS CLI command to obtain an authentication token. Update the docker login command to use the authentication token to access the ECR repository.
Add an environment variable of type SECRETS_MANAGER to the CodeBuild project. In the environment variable, include the ARN of the CodeBuild project's IAM service role. Update the buildspec.yml file to use the new environment variable to log in with the docker login command to access the ECR repository.
Update the ECR repository to be a public image repository. Add an ECR repository policy that allows the IAM service role to have access.
Update the buildspec.yml file to use the AWS CLI to assume the IAM service role for ECR operations. Add an ECR repository policy that allows the IAM service role to have access.

Answer(s): A

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QUESTION: 132

A company manually provisions IAM access for its employees. The company wants to replace the manual process with an automated process. The company has an existing Active Directory system configured with an external SAML 2.0 identity provider (IdP).

The company wants employees to use their existing corporate credentials to access AWS. The groups from the existing Active Directory system must be available for permission management in AWS Identity and Access Management (IAM). A DevOps engineer has completed the initial configuration of AWS IAM Identity Center (AWS Single Sign-On) in the company’s AWS account.

What should the DevOps engineer do next to meet the requirements?

Configure an external IdP as an identity source. Configure automatic provisioning of users and groups by using the SCIM protocol.
Configure AWS Directory Service as an identity source. Configure automatic provisioning of users and groups by using the SAML protocol.
Configure an AD Connector as an identity source. Configure automatic provisioning of users and groups by using the SCIM protocol.
Configure an external IdP as an identity source Configure automatic provisioning of users and groups by using the SAML protocol.

Answer(s): A

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QUESTION: 132