Keychains are used to store secrets such as resourcepasswords, digital certificates, and encryption keys. The keychain system can also securely store Safari AutoFill information, Internet Account settings, and secure text notes.

• A. What type of items can be found in a keychain?
• B. How does file system journaling work?
• C. What does OS X use bundles or packages for?
• D. What are the advantages of code signing?

You have a Mac OS X v10.6.8 computer that has several user accounts. If you install OS X Mountain Lion without first erasing the target volume, what will happen to the 10.6.8 operating system and the existing user accounts?

• A. The Installer archives the 10.6.8 OS and installs Mountain Lion. It maintains the user accounts.
• B. The Installer erases the 10.6.8 OS and installs Mountain Lion. It archives the user accounts, but they can be restored manually.
• C. The Installer replaces the 10.6.8 OS with Mountain Lion. It archives the user accounts, but they can be restored manually.
• D. The Installer upgrades the 10.6.8 OS to Mountain Lion. It maintains the user accounts.

Which two methods can be used to automatically connect a network share?

• A. Time Machine starts with a full copy of the file system to the backup disk. Then it
  maintains a list of changes to the file system, and every hour copies only the changes to
  the backup disk. In the backup, it creates a simulation of the full file system using hard links
  for files that haven't changed.
• B. The four methods used to eject a volume or disk from the Finder are:
  Drag the disk icon to the Trash in the Dock.
  Press and hold the Eject key for a few moments to unmount and eject optical media.
  Select the volume you want to eject and choose Eject from the File menu.
  In the Finder sidebar, click the small Eject button next to the volume you want to unmount
  and eject.
• C. To automatically connect a file share when the user logs in to the system, drag the
  share from the Finder to the user's login items in Users & Groups preferences. Or you can
  drag the share to the right side of the user's Dock, and it will automatically connect when
  the user clicks the share's icon in the Dock.
• D. Resource contention occurs when fast user switching is enabled and a user tries to
  access an item another user already has open in the background. Document contention
  occurs when a user attempts to open a document another user has already opened.
  Peripheral contention occurs when a user attempts to access a peripheral already in use by
  another user's open application. Application contention occurs when the second user
  attempts to access an application designed to run only once on a system.

Internet Accounts preference is the primary interface in OS X for configuring built-in network applications.

• A. What's used to identify a Wi-Fi network?
• B. What's a profile? How are profiles managed?
• C. What options can you select from during the OS X Mavericks installation?
• D. What's the primary interface for configuring network service applications?

Code-signed items include a digital signature that the system canuse to verify the authenticityand integrity of the application or process and its resources.

• A. What does OS X use bundles or packages for?
• B. What are the advantages of code signing?
• C. What are account attributes?
• D. Which applications can manage document locking?