After installing software updates, Scott’s Mac mini stops responding during startup and will not show the login screen. What built-in startup mode might resolve this
issue?

Mauri is having trouble printing to a printer attached to his iMac via USB. He suspects his USB cable. Which built-in utility in OS X Mountain Lion could tell him if the
printer is detected by his iMac?

Examine the image above. What could cause a Mac to display this prohibitory sign at startup?

Your customer states he can receive chats with Messages app on an iPad, but not on his iMac with OS X Mountain Lion installed. How can you help this customer
receive chats with Messages?

Mark’s MacBook Air displays a gray screen and will not complete startup. What should you try first to resolve this issue?

Dave has recently purchased a third party router, and now finds he can no longer host video chats. What section of the Messages Connection Doctor will allow him
to detect if the router is configured correctly?

When looking at a Time Machine timeline, what visually indicates that a backup is a local snapshot rather than on a Time Capsule or backup disk?

What version of OS X Snow Leopard must be installed in order to upgrade to OS X Mountain Lion on a supported Mac?

What should customers be aware of if they need to use Safari or reinstall OS X Mountain Lion when their Mac has been started from OS X Recovery?

You suspect that a customer’s MacBook Pro is failing to connect to a network because of a setting. Which technique is the most efficient way for you to test the
MacBook Pro with default network settings?