9L0-010 Apple Certified Macintosh Technician
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9L0-010 Apple Certified Macintosh Technician Number : 9L0-010 Passing Score : 800 Time Limit : 120 min File Version : 4.4 http://www.gratisexam.com/ Exam 1 QUESTION 1 You are preparing to replace faulty RAM inside a Mac mini (Mid 2010). What should be used to open the bottom cover? A. Putty knife B. Philips #00 screwdriver C. Mac mini (Mid 2010) Logic Board Removal Tool D. Your hands, no tools are required for this procedure Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 2 Which of the following measurements is an example of an appropriate use of a multimeter when troubleshooting a Mac? A. Measure logic board battery voltage. B. Measure high voltage going to a CRT. C. Measure AC current going to an optical drive. D. Measure digital signals on the main processor. Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: When Do You Use a Multimeter? Verifying Backup Battery VoltageVolts DC You can measure a computer's backup or main battery DC voltage to determine if the battery is dead and requires replacement. An example of this procedure is outlined above. Other examples of this procedure can be found in many Apple service manuals. Verifying Power Supply Output VoltageVolts DC You can also measure the DC voltage outputs from a computer's power supply to determine if the power supply is faulty and requires replacement. Examples of this procedure can be found in the Power Mac G5 (Late 2005) Power Supply Verification procedure. Verifying AC Input VoltageVolts AC You can measure AC input voltage into a computer's power supply to determine if the computer's power supply or AC line filter / AC power input is faulty. Examples of this procedure can be found in the iMac (Flat Panel) service manual, in the 'No Power' troubleshooting symptom charts. Another example can be found in the eMac ATI Graphics/USB 2.0/2005 no power troubleshooting section. The image below was taken from the eMac ATI Graphics/USB 2.0/2005 service manual. QUESTION 3 You require additional information about a specific problem with a customer's Mac. Which one of the following resources is the Apple-recommended choice for researching the problem? A. Downloads B. Discussions C. User's manual D. Apple support articles Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 4 Which section of any Apple Technician Guide is the BEST place to look for instructions for replacing an internal component? A. Views B. Basics C. Take Apart D. Troubleshooting Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 5 According to Apple Technician Guides, what should be completed before performing any take- apart steps when replacing a part in any Apple product? A. Disconnect and reconnect all internal cables. B. Lay the product on its side so it will not fall over. C. Discharge the CRT and establish an ongoing ground. D. Gather all necessary tools and perform all preliminary steps. E. Order all available service parts for the appropriate configuration of the product. Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: Before You Begin • Remove any cases or screen protectors, which may inhibit proper testing. • Verify the user-reported symptom(s) and identify the correct part(s) needed for repair. • Make sure the device is powered off. Electrostatic Discharge Precautions Proper ESD precautions must always be used when opening an iPhone 4. Make sure you are working on a properly grounded ESD-safe mat and are wearing a properly connected ESD-safe wrist strap. For more information about ESD, refer to: • Apple Support article HT3451: Electrostatic Discharge Precautions and Myths • AppleCare Service Training: ESD Precautions Gather Required Tools Preliminary Steps Warning: Always shut down the computer before opening it to avoid damaging the internal components or causing injury. After you shut down the computer, the internal components can be very hot. Let the computer cool down for 30 minutes before continuing. QUESTION 6 Which TWO details are derived from entering an Apple product's serial number into the Online Service Assistant section of the Apple Support web page? SELECT TWO http://www.gratisexam.com/ A. Mac OS version B. Warranty status C. AppleCare name D. Installed memory E. Number of USB ports Correct Answer: BC Section: (none) Explanation Explanation/Reference: Explanation: Check Your Service and Support Coverage Review your Apple warranty status and eligibility for support and extended coverage. Select Online Service Assistant, and you see this page: Enter the serial number, you will get a screen similar to the one shown here: Once again, you have the correct AppleCare name for the product. It is a Mac Pro (Early 2008). QUESTION 7 A customer asks about RAM speed requirements to upgrade his Mac. To which Apple support site resource should you refer this customer? A. Downloads B. Discussions C. Specifications D. Technician Guide Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 8 What component of a Mac mini (Early 2009) logic board requires use of an anti-static foam support to avoid damage? A. EMI clips B. Video card C. Large heat sink D. Battery connector Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: 1. Be careful not to damage EMI clips on underside of logic board. Place board on antistatic foam when board is not in a computer. 2. Important: Return logic board to Apple service in correct logic board packaging and with antistatic foam protecting EMI clips (shown in second photo). QUESTION 9 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 Section: (none) Explanation Explanation/Reference: Explanation: Before you begin any procedure inside uni, disconnect battery from logic board. Failure to do so could damage computer. QUESTION 10 Which of the following is a valid precaution you should take while working inside an iMac (27-inch, Mid 2010) system that is plugged into AC power but has not yet been powered on? A. Do not turn the unit upside-down. B. Avoid putting your fingers near the fans. C. Make sure you are NOT wearing a grounded ESD wrist strap. D. Do not touch the processor heat sink because it could burn your fingers. Correct Answer: C Section: (none) Explanation Explanation/Reference: Explanation: Reminder: If the unit needs to be plugged in for LED checks or similar troubleshooting, do NOT wear an ESD wrist strap. Any shock could be more dangerous since you are connected to ground QUESTION 11 When replacing a MacBook Air (Late 2010) embedded battery, it is acceptable to flex or twist the battery pack to aid in removal. A. True B. False Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: Tip: Whenever you handle the battery, hold the battery carefully by its edges only. Do not puncture or press on battery. If mylar covering battery is punctured, do not re-use battery. Do not drop the battery. If setting battery aside, make sure surface is clean and free of dust, dirt, screws, etc. QUESTION 12 How should you handle an embedded battery once it has been removed from a Mac Book Air (Late 2010)? SELECT TWO: A. By the edges. B. Use both hands. C. Grasping the cells packs. D. Compressing the top and bottom. E. Use either needle-nose pliers or metal tongs. Correct Answer: AB Section: (none) Explanation Explanation/Reference: Explanation: Tip: Whenever you handle the battery, hold the battery carefully by its edges only. Do not puncture or press on battery. If mylar covering battery is punctured, do not re-use battery. Do not drop the battery. If setting battery aside, make sure surface is clean and free of dust, dirt, screws, etc. QUESTION 13 If the embedded battery with exposed cell packs from a MacBook Air (Late 2010) is dropped during service, it should always be replaced. A. True B. False Correct Answer: A Section: (none) Explanation Explanation/Reference: Explanation: Best Practices The battery contains several soft battery cells. Do not press on the battery cells with your fingers, and do not handle the battery pack in any way that might apply any physical pressure to these cells. Do not drop a loose battery. If the battery is dropped, replace the battery. QUESTION 14 Where is the best place for a customer to look for information about locating her Mac's serial number? A. Downloads B. Discussions C. Service News D. User's manual Correct Answer: D Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 15 Which piece of information is best used to determine any Mac's correct AppleCare name? A. the EMC number B. the serial number C. the MAC address D. the model number Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: If you can find the serial number, you can identify which model you have. QUESTION 16 You are attempting to power a Mac mini (Late 2009) with an 85 Watt power adapter. Will this work? A. Yes B. No Correct Answer: B Section: (none) Explanation Explanation/Reference: Explanation: QUESTION 17 A customer brings a Mac Pro to your service center for repair. After finding the serial number, which TWO of the following sources will display the proper AppleCare name for that Mac Pro? SELECT TWO A. MRI B. GSX C. Console D. Terminal E. System Profiler F. Apple Name Tool G. Apple Hardware Test Correct Answer: BE Section: (none) Explanation Explanation/Reference: Explanation: Finding a Name Let's say that you have a computer that looks like this: This computer could be a Power Mac G5 or a Mac Pro.