Which process will let you start up a Mac in target disk mode?
A. Open the Startup Disk preferences, click Target Disk Mode, and then click Restart.
B. Hold down the Option key on the keyboard as the Mac starts up, until a dialog appears, then select Target Disk Mode from the dialog.
C. Hold down the S key on the keyboard while the Mac starts up, then enter the command reboot -target.
D. Start up from the OS X Recovery partition, choose Target Disk Mode from the Startup Disk menu, and restart the Mac.
Answer:A
Which process will let you start up a Mac in target disk mode?
A. Open the Startup Disk preferences, click Target Disk Mode, and then click Restart. B. Hold down the Option key on the keyboard as the Mac starts up, until a dialog appears, then select Target Disk Mode from the dialog. C. Hold down the S key on the keyboard while the Mac starts up, then enter the command reboot -target. D. Start up from the OS X Recovery partition, choose Target Disk Mode from the Startup Disk menu, and restart the Mac.