An administrator is looking to apply a new service pack for an OS on several systems that run business critical applications for a large international finance corporation. Which of the following…

Deploying to a single department is a testing or phased deployment step, which occurs after change control approval, not before.

Upgrading the system with requirements is a pre-deployment technical task that would be outlined and approved within the change control process, not the very first step.

Deploying to a non-critical application server is part of a testing or pilot phase, which happens after the initial change control submission and approval.

Submitting a change control is the fundamental first step for any significant IT change in an enterprise environment, especially involving business-critical systems, to document, approve, and manage potential risks and impacts. This process ensures that all stakeholders are aware, potential conflicts are identified, and a rollback plan is in place before any technical work begins.