Which users are allowed to unlock a FileVault 2 protected system?
What are the requirements for purchasing applications via the Mac App Store?
A FileVault 2-protected system can be unlocked using the recovery key that was generated during the FileVault 2 setup process. This key can be entered during system startup, and will allow you to reset the user's account password.
What's a network location? Who can access network locations?
The OS X Recovery Disk Assistant can create a small OS X Recovery disk that lacks the OS X installation assets. An OS X Installation disk, which includes the full OS X installation assets, can be created by using the createinstallmedia command line tool found inside the Install OS X Mavericks application.