Go back to 9L0-415 - OS X Support Essentials 10.9

Question :-

What permissions are modified by the Disk Utility Repair Permissions feature?
Disk Utility is the primary application for creating and managing disk images.
The master password is used to reset local account passwords.
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 to locate files and folders on the volume.
The Disk Utility Repair Permissions feature repairs only the ownership and permissions for items installed by Apple. However, this may resolve issues with third-party products.

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