Disk Utility in OS X can create file archives in the format of dmg (Disk Image). A dmg file is a disk image file that contains the entire contents and structure of a storage device, such as a hard drive or a DVD. It is commonly used to distribute software or create backups of data.

In the Setup Assistant in OS X Mountain Lion, pressing Command-Q does not let you skip the optional configuration step. This means that the statement is false.

The correct answer is to open the Startup Disk preferences, click Target Disk Mode, and then click Restart. This process allows the user to start up a Mac in target disk mode by accessing the Startup Disk preferences and selecting the Target Disk Mode option. Once selected, the Mac will restart in target disk mode, allowing it to be used as an external hard drive for another Mac.

The correct order in which these three OS X components load at startup is: 1. Firmware, 2. Booter, 3. Kernel. The firmware is responsible for initializing the hardware and providing basic functionality to the computer. The booter is responsible for loading the operating system and any necessary drivers. Finally, the kernel is the core component of the operating system that manages system resources and executes user programs.

The Chris account is a member of the "staff" group.