An aerospace engineering company has recently aws video

Full Certification Question

An aerospace engineering company has recently migrated to AWS for their cloud architecture. They are using CloudFormation and AWS SAM as deployment services for both of their monolithic and serverless applications. There is a new requirement where you have to dynamically install packages, create files, and start services on your EC2 instances upon the deployment of the application stack using CloudFormation. Which of the following helper scripts should you use in this scenario?