A cloud provider wants to automate the installation of standard applications and services as part of the PaaS environment. The provider generates scripts for installation and configuration, taking…

Provisioning refers to the overall process of making IT resources available, but orchestration is the specific technique used to automate and coordinate the complex steps involved in that provisioning.

Orchestration involves automating the configuration, coordination, and management of multiple interconnected systems and software components, which is precisely what's needed to run scripts for installation and configuration as part of a larger, reusable provisioning process. It defines workflows to combine individual automated tasks into a coherent, automated process.

A self-service portal is an interface that allows users to request resources, not the underlying automation engine that performs the installations and configurations.

Baselines are standard configurations or security settings used for consistency, not a mechanism for automating the installation and configuration of services.