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

Time Machine is designed to optimize storage and efficiency during the backup process. It accomplishes this by only copying new files to the backup volume after the initial backup has completed. This incremental backup approach significantly reduces the amount of data that needs to be transferred and stored during each backup session, which saves both space and time.

By focusing on new or modified files since the last backup, Time Machine ensures that it efficiently manages disk space while still providing a complete history of file changes. This method allows users to recover previous versions of files without the need to back up the entire system each time, which would consume a considerable amount of storage space.

In contrast, the other options imply processes that Time Machine does not utilize. For example, backing up everything each time would defeat the purpose of efficient space management, while ignoring all attached disks would overlook valuable data that could be backed up. Additionally, while Time Machine does manage data efficiently, it does not compress all data before backing up as a standard process. Instead, its incremental backup mechanism is the key feature for space savings.