9L0-415 無料問題集「Apple OS X Support Essentials 10.9」

（A）What role does the system launchd process serve during system startup?

（B）What's required to set up the iCloud Keychain service on multiple Apple devices?

（C）What's the potential side effect of improperly unmounting or ejecting a disk or volume?

（D）What types of files are omitted from Time Machine backups?

（A）provide a backup of user files

（B）provide support for Spotlight searches

（C）provide support for resource forks, extended attributes, and metadata

（D）protect volume structure integrity in cases of unexpected shutdown

（A）Time Machine identifies the 1 MB of file changes, copies those changes to a new file on the backup drive, and keeps both the new backup file and the original backup file.

（B）Time Machine copies the 6 MB file to the backup drive, and deletes the original backup copy of the file from the backup drive.

（C）Time Machine copies the 6 MB file to the backup drive, and keeps both the new backup file and the original backup file on the backup drive.

（D）Time Machine identifies the 1 MB of file changes, copies those changes to a new file on the backup drive, then creates a 500 KB parity file, and keeps all three files: the two new files representing the 1 MB of file changes, and the original backup file.

（A）In Network preferences, how can you tell which interface is currently being used for network activities?

（B）Which five network file services can you connect to from the Finder's Connect to Server dialog?

（C）How can an OS X system automatically connect to a Wi-Fi network?

（D）How can you verify basic connectivity to another network host?

（A）Hold down Shift-Option while the computer restarts.

（B）Hold down Command-S while the computer restarts.

（C）Select Single-User Mode in the Startup Disk pane of System Preferences and restart the computer.

（D）Start up from the Mountain Lion Recovery system partition, and enter the command reboot -single in Terminal.

（A）How can you ensure that previously deleted items are securely erased?

（B）How can you unlock a FileVault 2-protected system when all user accounts have lost their passwords?

（C）How can you prevent a user from installing software updates?

（D）How can you select a new printer driver for a configured printer?

（A）The Disk Utility Verify and Repair feature is used to verify or repair the partition scheme and directory structure of a volume. These elements contain the information used tolocate files and folders on the volume.

（B）The easiest method to configure VPN settings is to use a configuration profile containing all the relevant VPN setup information.

（C）The Archive option in the Finder creates compressed zip archive files.

（D）The Setup Assistant process guides a user through initial configuration of OS X Mavericks.

（A）What does the diagnostic reporting feature do?

（B）Which changes are made when OS X Safe Boots?

（C）Which items aren't loaded when OS X Safe Boots?

（D）What utilities are available when started up from OS X Recovery?

（A）Standard UNIX file system permissions allow only for permissions to be set for one owner, one group, and all others. ACLs, on the other hand, allow for an essentially unlimited list of permissions entries.

（B）Common UNIX Printing System (CUPS) manages all printing for OS X, including both local and shared printing.

（C）PostScript Printer Description (PPD) files are printer driver files that instruct the CUPS system on how to communicate with specific printer models.

（D）Any application that supports Auto Save and the Finder can manage document locking.

（A）During user logout, the user's login window process does the following: requests that all user applications quit; automatically quits any user background processes; runs any logout scripts;records the logout to the main system.log file; resets device permissions and preferences to their defaults; and quits the user's login window and launched processes.

（B）At system shutdown, the login window process logs all users out and tells the kernel to quit all remaining system processes. Once the kernel quits all system processes, the Mac shuts down.

（C）Single-partition drives are easier to set up initially, but they aren't as flexible for administration and maintenance. Multiple-partition drives require repartitioning during setup, but provide several separate partitions, which can be used to segregate user data and host multiple operating systems.

（D）During system initialization, the system launched process automatically starts /System/ Library/LaunchDaemons, /Library/LaunchDaemons, /Library/StartupItems (via SystemStarter), and the /etc/rc.local UNIX script if it exists.

（A）What application is used to manage keychain settings?

（B）What two volume formats are supported for an OS X system volume?

（C）How can you acquire the OS X Mavericks installer?

（D）What functionality does OS X support with the AppleTalk protocol?

（A）What's the primary interface for configuring network service applications?

（B）What options can you select from during the OS X Mavericks installation?

（C）What's used to identify a Wi-Fi network?

（D）What's a profile? How are profiles managed?

（A）During installation of OS X Mavericks, the only optional choice is to define an installation destination other than the Mac computer's current default system disk.

（B）Quick Look uses a number of plug-ins that give it the capability to preview documents. These plug-ins live in Quick Look folders in any Library folder on OS X.

（C）Any application that supports Auto Save and the Finder can manage document locking.

（D）The Finder doesn't show items with periods at the beginning of their filenames or items with the hidden file flag enabled. Both methods for hiding items can only be managed from the command line interface.

（A）What application is used to manage keychain settings?

（B）What backup destination disks does Time Machine support?

（C）What Wi-Fi authentication protocols are supported by OS X?

（D）What's used to identify a Wi-Fi network?

（A）How can you identify duplicate fonts?

（B）How can you limit the use of Location Services?

（C）How can you acquire the OS X Mavericks installer?

（D）What does the master password do?

（A）What two volume formats are supported for an OS X system volume?

（B）Which changes are made when OS X Safe Boots?

（C）What does OS X use bundles or packages for?

（D）What types of files are omitted from Time Machine backups?

（A）/var/run/launchd/

（B）/etc/launchd/

（C）/Library/Extensions/

（D）/Library/LaunchAgents/