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QUESTION 35
. 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.
Correct Answer: ACE QUESTION 36
. Which TWO of the following are clues that may indicate a ‘no video’ condition? SELECT TWO
A. You do not hear a startup chime.
B. You may hear fan or drive noise.
C. You cannot connect to the Internet.
D. The power button or power indicator lights up.
E. The cursor is frozen and the system is unresponsive.
Correct Answer: BD QUESTION 37
.
Which of the following is ALMOST CERTAINLY a software-related problem?
A. No video on display
B. Single beep at startup
C. No Internet connectivity
D. iPhoto quits when launched
Correct Answer: D QUESTION 38
.
To isolate a video problem as hardware or software on a Mac, which of the following steps should you try FIRST?
A. Replace the built-in display.
B. Reinstall the appropriate Mac OS.
C. Verify the hard disk with Disk First Aid.
D. Start up from a known-good startup volume.
Correct Answer: D QUESTION 39
.
Verifying that a computer functions properly after you repair it ensures that _____. SELECT THREE
A. third-party software is working
B. the original issue has been resolved
C. the computer falls under service warranty
D. the computer will continue to function after the repair
E. no new problems have been introduced during the repair
Correct Answer: BDE
QUESTION 40
.
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
Correct Answer: B
QUESTION 41
.
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
Correct Answer: AE
QUESTION 42
.
Before you leave your bench to take a logic board to a storage place, you should put the board _____.
A. on top of an ESD shielding bag
B. inside an ESD shielding bag
C. inside a cardboard box
D. on a metal table
Correct Answer: B
QUESTION 43
.
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.
Correct Answer: B QUESTION 44
.
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.
Correct Answer: B QUESTION 45
. Which THREE of the following items are appropriate to use for ESD prevention? SELECT THREE
A. Metal work surface
B. CRT discharge tool
C. Grounded work mat
D. Wrist strap and cord
E. Wireless wrist strap
F. Static-shielding bags
Correct Answer: CDF QUESTION 46
.
You should periodically _____ your ESD mats.
A. clean
B. replace
C. turn over
D. disconnect
Correct Answer: A QUESTION 47
.
Which of the following is NOT a good step to take when working onsite on a computer?
A. Place parts on the floor.
B. Use a grounded ESD mat.
C. Wear a grounded ESD wrist strap.
D. Check the polarity of the grounded power outlet.
Correct Answer: A QUESTION 48
.
When you work at a customer site, you do not need to take any precautions to avoid ESD damage.
A. True
B. False
Correct Answer: B
QUESTION 49
.
You are replacing a logic board in a Mac Pro. You should handle the board by its _____.
A. edges
B. heat sinks
C. connectors
D. components
Correct Answer: A
QUESTION 50
.
Which part or parts of a CRT display should NOT be touched until after the display is disconnected from its power source and the CRT is properly discharged? SELECT ALL THAT APPLY
A. Yoke assembly
B. Anode aperture
C. High voltage cable
D. Front of CRT display
E. Flyback transformer
F. Outer plastic housing
Correct Answer: ABCE
QUESTION 51
.
Which THREE of the following are valid CRT safety rules? SELECT THREE
A. Touch the computer’s metal chassis.
B. Wear a grounded ESD wrist strap.
C. Connect the AC power cord.
D. Remove any metal jewelry.
E. Wear safety goggles.
F. Don’t work alone.
Correct Answer: DEF
QUESTION 52
.
Why do you need to take precautions when disposing of CRT displays? SELECT TWO
A. CRT displays may leak cooling fluid.
B. CRT displays may present a fire hazard.
C. CRT displays may implode if mishandled.
D. CRT displays may present a radiation hazard.
E. CRT displays may contain hazardous materials.
Correct Answer: CE
QUESTION 53
.
Which of the following is a valid precaution you should take when you begin working inside a MacBook Pro (13-inch, Mid 2010)?
A. Reset the SMC.
B. Remove the hard drive.
C. Disconnect the optical drive.
D. Disconnect the main battery.
Correct Answer: D QUESTION 54
.
Which safety issue applies to newer Apple portable models?
A. Fragile bottom case
B. High voltage display
C. Heavy internal frame
D. Soft battery enclosure
E. Sharp logic board edges
Correct Answer: D QUESTION 55
.
Which safety issue applies to the iMac (Mid 2010)?
A. Liquid coolant spillage
B. Thermal grease toxicity
C. High voltage CRT discharge
D. Fragile glass panel breakage
Correct Answer: D QUESTION 56
.
You are removing the main battery from a MacBook Pro (17-inch, Early 2009). Which of the following is a best practice when handling this battery?
A. Handle the battery with one hand, pressing between the soft side and the hard side.
B. Re-cover any punctures or tears in the soft mylar covering with Kapton tape.
C. Handle the battery any way; it does not matter.
D. Hold the battery carefully by its edges only.
Correct Answer: D QUESTION 57
.
When discharging a CRT, what part do you touch with the tip of the discharge tool?
A. Anode aperture
B. High voltage cable
C. Flyback transformer
D. Yoke connector/cable
Correct Answer: A QUESTION 58
.
What precautions should be taken if a discharged CRT must remain exposed for any length of time?
A. You should reset the Power Manager Unit on the logic board.
B. You should perform a full set of video adjustments on the CRT.
C. You should remove the CRT from the computer or display assembly.
D. You should establish an ongoing lead between the CRT anode and ground.
Correct Answer: D QUESTION 59
.
Which of the following most accurately describes what happens during Safe Sleep activation in Mac portables?
A. The contents of RAM are written to NVRAM before sleep.
B. The contents of the hard disk are encrypted before sleep.
C. The contents of RAM are written to hard disk before sleep.
D. The contents of the hard disk are read into RAM before sleep.
Correct Answer: C QUESTION 60
.
Which of the following is NOT a valid power saving technique in recent Mac computers?
A. Disconnect all peripherals.
B. Activate automatic display sleep.
C. Activate automatic hard disk sleep.
D. Use wireless networks instead of wired networks.
E. Set up locations optimized for different environments.
Correct Answer: D QUESTION 61
.
What is the proper way to calibrate the main battery in a MacBook?
A. Charge the battery while running the Battery Calibration Utility.
B. The battery is calibrated out of the box; no further steps are needed.
C. Charge the battery overnight. Make sure battery status indicates 100% before disconnecting AC adapter.
D. Charge the battery fully. Wait 2 hours. Run the MacBook on battery until it goes to sleep. Wait 5 hours. Charge it fully again.
E. Charge the battery halfway. Wait 2 hours. Finish charging the battery. Run the MacBook on battery until it goes to sleep. Charge it fully again.
Correct Answer: D
QUESTION 62
.
You can use a higher wattage power adapter with an Apple portable computer, but you cannot use one with less wattage without potential operating issues.
A. True
B. False
Correct Answer: A QUESTION 63
.
MacBook Air comes with a _____ MagSafe power adapter.
A. 45 Watt
B. 60 Watt
C. 65 Watt
D. 80 Watt
E. 85 Watt
Correct Answer: A QUESTION 64
.
Which of the following can permanently damage an LCD display?
A. Rubbing the display.
B. Using a screen saver.
C. Not using a screen saver.
D. Turning brightness up too high.
Correct Answer: A QUESTION 65
.
Examine the exhibit. What is the correct name for this type of pixel anomaly?
A. Dark dot defect
B. Stuck sub-pixel
C. Bright dot defect
D. Vertical TAB fault
Correct Answer: D
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