What are the steps to using the AWS CLI to launch a templatized serverless application?

A. Use AWS CloudFormation get-template then CloudFormation execute-change-set.

B. Use AWS CloudFormation validate-template then CloudFormation create-change-set.

C. Use AWS CloudFormation package then CloudFormation deploy.

D. Use AWS CloudFormation create-stack then CloudFormation update-stack.

Reference: https://github.com/awslabs/aws-sam-cli