Linda states that the fans on her MacBook Pro are intermittently noisy. Which is the best component of AST to further isolate the issue?

The iMac (Late 2012, Early 2013, and Late 2013) display panel is secured to the rear enclosure using adhesive strips. Which of the following tools should be used to cut these strips?

What color indicates that the Liquid Contact Indicators inside a MacBook Pro (13-inch, Mid 2012, have been triggered?

What is the maximum amount of memory that is supported in a dual-processor Mac Pro (Mid 2012)?

What is the likely cause of an iMac (21.5-inch, Late 2013) producing a single error tone at startup that repeats every five seconds?