Apple ACTC 10.10 Recertification Sample Questions:

1. A new 5 MB file was backed up by Time Machine yesterday. Today the file was edited, and has grown to
6 MB. It is about to be backed up by Time Machine again.
How does Time Machine perform this backup?

A) 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.
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 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.
D) 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.

2. Review the screenshot, and then answer the question below.

You connect an HFS+-formatted FireWire hard disk to a Mac, and configure it as shown in the screenshot.
What will happen the next time a standard user attempts to mount the hard disk?

A) The disk will mount, and the user will be able to read any file on the disk; the user will be required to enter an administrator password to modify or delete files on the disk.
B) The user will be required to enter an administrator password to mount the disk; once the disk is mounted, the user will be able to read, modify, and delete any file on the disk.
C) The user will be required to enter an administrator password to mount the disk; once the disk is mounted, the user will be able to read any file on the disk, but will be required to re-enter an administrator password to modify or delete files.
D) The disk will mount, and the user will be able to read, modify, and delete any file on the disk.

3. Why might you prefer to shut down and then start up a Mac you are troubleshooting, rather than simply selecting Restart from the Apple menu?

A) Because OS X loads a clean user session on startup only after a shutdown.
B) Because the Mac does a full POST on startup only after a shutdown.
C) Because OS X archives errors from the session to the log only during a shutdown.
D) Because OS X performs disk checks on startup only after a shutdown.

4. Which folder contains items that instruct the launchd process what to launch during OS X Mountain Lion startup?

A) /System/Library/LaunchDaemons/
B) /etc/launchd/
C) /var/run/launchd/
D) /Library/Extensions/

5. In OS X Mountain Lion, Safe Boot ________.

A) increases data security by modifying Sharing settings, so only essential protocols are enabled at startup
B) prevents users from accessing sensitive system files by loading Simple Finder instead of Finder at startup
C) facilitates troubleshooting by preventing loading of third-party components in the operating system at startup
D) increases data security by assigning all standard users Read-only privileges to mounted local volumes

Solutions: