Apple Certified Support Professional (ACSP) Practice Exam 2025 - Free ACSP Practice Questions and Study Guide

The requirement stating that a physical disk must be used to reinstall macOS is not accurate in most scenarios, particularly with contemporary installations. With the advent of Internet Recovery and the ability to download macOS directly from Apple's servers, having a physical disk is no longer a prerequisite. Users can reinstall the operating system directly from recovery options available within macOS, enabling the reinstallation process without relying on a physical medium such as a DVD or USB drive.

In contrast, the other options refer to necessary conditions for installing or reinstalling macOS. For example, running macOS version 10.6.8 or higher ensures compatibility with the newer installation methods available. Being connected to the internet is critical for downloading macOS if the recovery partition is not available or if the user opts for a fresh installation through the online method. Signing in with an Apple ID is important for accessing certain features and services within macOS, such as downloading some versions of the operating system or accessing iCloud during the installation process. Thus, the removal of the need for a physical disk makes it the correct answer in this context.