Application developers need to script rapid provisioning and management of AWS resources. Which AWS tool should they use to accomplish this?

The AWS Command Line Interface (AWS CLI) is the correct tool because it allows developers to control AWS services directly from the command line. This enables scripting for automated and rapid provisioning, configuration, and management of AWS resources, making it ideal for developers who need programmatic access. AWS CodeBuild is a fully managed continuous integration service that compiles source code, runs tests, and produces deployable artifacts. While it's part of a development pipeline, it's not primarily for scripting resource provisioning. The AWS Cloud Adoption Framework (AWS CAF) provides guidance and best practices for organizations to achieve their business objectives through cloud adoption; it's a strategic framework, not a scripting tool. AWS Systems Manager Session Manager allows secure, auditable access to EC2 instances and on-premises servers without opening inbound ports, but it's for managing running instances, not provisioning new resources.