A Friend of Yours Has a Mac OS X Snow

Multiple Choice

A friend of yours has a Mac OS X Snow Leopard computer and he has just read something about hard drives sometimes failing. He is not very familiar with his computer's built-in software and wants to know how he can back up his data. What should you tell him?

A) use the Backup and Restore Wizard found in System Tools
B) use the Time Machine Utility found on the Dock
C) use the GUI versions of dump and cpio
D) use Backup and Restore found in Disk Management