Apple-OS X Support Essentials 10.10

1.

How do you start up an OS X computer in single-user mode?

Start up from the Recovery system partition and enter the command reboot -single in Terminal. Hold down Command-S while the computer starts up. Hold down Shift-Option while the computer starts up. Select Single-User Mode in the Startup Disk pane of System Preferences, then restart the computer.

2.

You backed up an OS X computer to a locally connected, unencrypted external hard drive via FireWire. How did Time Machine store the data?

Time Machine stored each file as a record in a database. Time Machine amended the file data from each backup to a CPIO archive. Time Machine copied each file directly to the external hard drive. Time Machine copied each file to a disk image on the external hard drive.

3.

How do you reset the printing system in OS X?

Navigate to /Library/Printers/ in the Finder, select all items, and move them to the Trash. Open Printer Setup Utility and choose "Reset printing system" from the Printer Setup Utility menu. Open the Printers & Scanners pane of System Preferences, Control-click the Printers list, and choose "Reset printing system" from the shortcut menu. Open the Printers & Scanners pane of System Preferences, select all the printers in the Printers list, and click Delete (

4.

Which statement about Gatekeeper is true?

Standard users can bypass Gatekeeper. The only way to disable Gatekeeper is by using a configuration profile. Administrator users can bypass Gatekeeper. Only root users can disable Gatekeeper.

5.

Review the screenshot, then answer the question below. If you click Delete User in the dialog shown above, what will happen to Erich's home folder?

It will be renamed Deleted compressed and encrypted, and archived in Time Machine. It will be moved to the Trash. It will be deleted immediately, without being moved to the Trash. It will be renamed Deleted, and the folder's permissions will be changed to allow administrator user access only.

6.

How can you exclude the /Users/anna/Downloads/ folder from Time Machine backups?

Open Time Machine, choose Preferences from the Time Machine menu, click the Exclusions tab, click the Add (+) button, navigate to the /Users/anna/ Downloads/ folder, and click Submit. In Finder, control-click the Downloads folder for the anna account, click the Sharing and Permissions disclosure triangle, click the Add (+) button, add anna tothe list of users, and set the Time Machine user's access to No Access. In Terminal, execute the command sudo defaults write/Library/Preferences/com.apple.TimeMachineexcludedFolders -array-add/Users/anna/Downloads. Open the Time Machine pane of System Preferences, click Options, and add the /Users/anna/Downloads/ folder to the list of excluded items.

7.

Which statement best describes how Time Machine stores files from an OS X computer when backing up to an external hard drive connected via FireWire?

Each file is rewritten to the external disk during each backup. Each file is saved to the external disk once. File changes are stored in a database on the external disk. Each file is saved to the external disk once. Files that don't change between backups are represented by symbolic links to save space. Each file is saved to the external disk once. Files that don't change between backups are represented by hard links to save space.

8.

Which process can you use to start up a Mac in target disk mode?

Start up from the OS X Recovery partition, choose Target Disk Mode from the Startup Disk menu, then restart the Mac. Hold down the S key as the Mac starts up, then enter the command shutdown -r -target. Restart your Mac, then hold down the T key as the Mac starts up. Hold down the Option key as the Mac starts up, until a dialog appears, then select Target Disk Mode from the dialog.

9.

In OS X, you must authenticate as an administrator before you can install apps from the Mac App Store.

True False

10.

Which restriction can you set in Parental Controls preferences?

Restrict the user to a maximum number of hours logged in per day. Restrict the user to a defined set of services that are available from the Sharing pane of System Preferences. Restrict the user to a maximum amount of disk space for the home folder. Restrict the user to a defined set of file types, such as text or audio files, available for download from the Internet.

Apple-OS X Support Essentials 10.10

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Apple-OS X Support Essentials 10.10

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