Appropriate to use Apple Service Diagnostic

Which of the following scenarios would be most appropriate to use Apple Service Diagnostic?
A. You want to check a Mac for accidental damage.
B. You want to verify product functionality after a repair.
C. Your customer wants to run diagnostics on his Mac Pro.
D. You need to verify that all installed applications have been updated.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]B[/toggle]

 

Replace a MacBook Air (13-inch, Late 2010) logic board

You are about to replace a MacBook Air (13-inch, Late 2010) logic board. Which of the following is the most important step you should take immediately after removing the bottom case?
A. Remove the thermal module.
B. Install the battery cover.
C. Remove the hard drive.
D. Remove the battery.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]D[/toggle]

 Battery, LI-ION, 50W, w/Battery Cover

Battery, LI-ION, 50W, w/Battery Cover

To reduce the risk of damage from ESD

You are preparing to service a MacBook. To reduce the risk of damage from ESD, you clear the area of plastic, vinyl, or foamed polystyrene, and have static-shielding storage bags available for ESD-sensitive components. While you are working you should also remember to ________________ and _______________. SELECT TWO
A. ground yourself and the equipment you are working on
B. always place ESD-sensitive components on metal surfaces
C. discharge the display to protect the other ESD-sensitive components
D. handle any ESD-sensitive components by the connectors, rather than by the edges
E. ask other technicians to avoid touching you when you are working on ESD-sensitive components
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A, E[/toggle]

ESD causes damage

ESD causes damage to circuits by ________.
A. slowing the circuit down
B. blasting a hole in the circuit
C. cooling the circuit too quickly
D. increasing the circuit’s clock speed

[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]B[/toggle]

ESD precautions at a customer site

When you work at a customer site, you do not need to take any precautions to avoid ESD damage.
A. True
B. False
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A[/toggle]

ESD prevention grounded ESD heel strap

You want to follow ESD prevention rules, but your work area is too small for you to be tethered with a wired wrist strap. What is one acceptable alternative solution to this issue?
A. Use a wireless wrist strap.
B. Use a grounded ESD heel strap.
C. Do not practice ESD prevention.
D. Work on the floor instead of a table.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]B[/toggle]

 

ESD damage

A computer service technician says “I don’t use ESD precautions and have never had a problem.” What (if anything) is wrong with this statement?
A. Nothing is wrong with this statement.
B. ESD damage may not appear immediately.
C. ESD happens only to inexperienced technicians.
D. ESD damage is really not as bad as everyone thinks.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]B[/toggle]

Mac Pro (Early 2009) SMC functionality

The Mac Pro (Early 2009) has SMC functionality split between a primary SMC on the backplane board, and a secondary SMC on the processor board. What service issue should a technician be aware of when servicing the Mac Pro (Early 2009)?
A. SMC firmware must always match on both boards.
B. Three internal buttons must be pressed in order to reset both SMCs.
C. It is required to remove the memory riser card in order to reset the SMC.
D. Processor trays are interchangeable between similar Mac Pro (Early 2009) units.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A[/toggle]

EFI and SMC firmware updates for Intel-based Macs

 

processor board

processor board

 

backplane board

backplane board

 

Upgrading the RAM in a Mac Pro (Early 2009)

What step is required before upgrading the RAM in a Mac Pro (Early 2009)?
A. Remove the processor tray.
B. Remove the hard drive carriers.
C. Remove the front inlet fan assembly.
D. Remove the Optical Drive and Carrier.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A[/toggle]

Clues that may indicate a ‘no power’ condition

Which THREE of the following are clues that may indicate a ‘no power’ condition? SELECT THREE
A. You do not hear a startup chime.
B. You cannot connect to the Internet.
C. You do not hear any fan or drive noise.
D. The cursor is frozen and the system is unresponsive.
E. The power button or power indicator does not light up at all.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A, C, E[/toggle]