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9L0-012 Mac Service Certification

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Apple · 9L0-012

Free 9L0-012 Exam Dumps Preview

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Question 1

Single choice

According to the Apple Troubleshooting theory, at what stage should you run a diagnostic?

A
After determining the issue is not hardware
B
After determining the issue is Education Opportunity
C
After determining the issue is caused by the Environment
D
After determining the issue is with the device's Software or Hardware

Reveal answer details Close answer details

Correct answerD

Question 2

Single choice

Francine states that she does not see anything on her iMac display when she turns it on.

Which of the following should you use first to isolate as either a backlight issue or a video signal issue?

A
A flashlight
B
A replacement LCD panel
C
A replacement logic board
D
A replacement backlight power board

Reveal answer details Close answer details

Correct answerB

Question 3

Single choice

How many soft cells does the battery in the Mac Book Pro (Retina Mid2012) or MacBook Pro (Retina, 15- inch, Early 2013 and Late 2013) have?

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Correct answerB

Explanation

References:
https://www.ifixit.com/Teardown/MacBook+Pro+15-Inch+Retina+Display+Mid+2012+Teardown/9462

Question 4

Multiple choice

Which of the following parts must be removed prior to replacing the left speaker of the MacBook Air (11- inch, Mid 2013)? SELECT THREE.

A
Right speaker
B
Bottom case
C
Battery
D
Logic board
E
I/O Flex cable
F
Display clamshell
G
Input device (IPD) flex cable

Reveal answer details Close answer details

Correct answersB, C, G

Explanation

References:
https://www.ifixit.com/Guide/MacBook+Air+13-Inch+Mid+2013+Left+Speaker+Replacement/15233

Question 5

Single choice

If a customer uses the wrong wattage power adapter with a MacBook Pro (15-inch, Mid 2012) and cannot power on the device, which of the following problems spaces best describes this issue?

A
OS
B
Software
C
Hardware
D
Educational Opportunity

Reveal answer details Close answer details

Correct answerA

Question 6

Single choice

What is this tool used for when servicing a MacBook Pro (Retina, 13-inch, Early 2013)?

A
Removing the interposer.
B
Flipping up the locking lever connectors.
C
Installing Thin, Multi-Pin Horizontal cables.
D
Disconnecting the Vertical Insert Connectors (JST).

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Display+Early+2013+Display+Assembly+Replacement/15464(SeetheStep9)
.

Question 7

Single choice

Which component for Apple Service Toolkit is designed to help troubleshoot issues with MagSafe and MagSafe 2 power adapters?

A
NAD
B
VST
C
TPT
D
CSD

Reveal answer details Close answer details

Correct answerA

Explanation

Explanation:
Apple Service Toolkit includes:*

AudioTest - plays a series of tones through each speaker and listens for those same tones via the microphone.
Diagnostic Gateway (DG) - software that runs on a dedicated Intel-based Mac using Mac OS X
Server 10.6/10.7 and serves up tools to triage computers via NetBoot, recording test results as log files.
Mac Resource Inspector (MRI) - triage tool that provides a fast check of internal hardware components for all Intel-based computer systems.
Notebook Adapter Diagnostic (NAD) - triage tool that reports on the condition of Intel-based notebook power adapters.
Cooling System Diagnostic (CSD) - evaluates the thermal sensors, fans and heat sink in MacBook Pro (Early 2011) models and will either confirm correct operation or help diagnose a service issue.
Gateway Manager - software application used to remotely configure and manage the Diagnostic Gateway server as well as access logs created by diagnostic tools.
Test Patterns Tool (TPT) - identifies pixel anomalies in LCD panels in Apple Display, iMac, MacBook, MacBook Pro, and MacBook Air systems.
Server Bit Setter (SBS) - Repair tool used after replacing logic boards in late model Mac mini Servers or backplane boards in late model Mac Pro Servers.
Video System Test (VST) - is used to test video issues in specific MacBook Pro models.

Blank Board Serializer (BBS) - Allows technicians to set the system serial number on replacement Main Logic Board (MLB) service parts.
AST Keyboard (OS) - service tool for in-depth testing of keyboards.
AST Trackpad (OS) - service tool for in-depth testing of trackpads.
Storage Diagnostic (OS) - Repair tool for testing HDD or SSD modules.
Image Persistence Test (EFI) - triage tool for identifying image persistence anomalies on IPS displays

Question 8

Single choice

Which of the following is a valid ESD safety precaution?

A
Always handle logic board by grasping the heat sinks.
B
Do not wear polyester clothing while working on ESD sensitive components
C
You should place ESD-sensitive circuits on top of metal work surfaces.
D
Keep ion generators away from circuit board or assembly containing ESD-sensitive circuits.

Reveal answer details Close answer details

Correct answerB

Explanation

References:
http://www.peachpit.com/articles/article.aspx?p=760956
(see ESD safety guidelines)

Question 9

Single choice

William would like to store his MacBook Air (13-inch, Mid 2013) while away for a six month sabbatical.

What is the Apple recommended level of battery charge for storing the computer?

A
10 percent
B
20 percent
C
50 percent
D
96 percent

Reveal answer details Close answer details

Correct answerC

Question 10

Single choice

Linda states that the fans on her MacBook Pro are intermittently noisy.

Which is the best component of AST to further isolate the issue?

A
TPT
B
IPT
C
CSD
D
VST

Reveal answer details Close answer details

Correct answerC

Question 11

Single choice

Which of the following utilities helps to diagnose wireless network issues and is only available when running OS X v10.8.4 or later?

A
Network Utility
B
Network Diagnostics
C
Wireless Diagnostics
D
Network Setup Assistant

Reveal answer details Close answer details

Correct answerC

Explanation

References:
https://support.apple.com/en-ap/HT202663

Question 12

Single choice

Where is the keyboard mapping data for MacBook Air (Mid 2013) models stored?

A
Keyboard
B
Flash storage
C
Trackpad assembly
D
Boot ROM

Reveal answer details Close answer details

Correct answerD

Question 13

Multiple choice

Remaining residue from Very High Bond (VHB) adhesive should only be removed with which of the following:

A
VHB solvent
B
Nail polish remover
C
Isopropyl alcohol wipes
D
VHB neutralizer
E
Liquid acid neutralizer

Reveal answer details Close answer details

Correct answersB, C

Question 14

Single choice

William states that the Ethernet ports do not function on his Mac Pro (Mid 2012) when plugged into the network at his office. He demonstrated that he knows how to connect Ethernet cables and was able to connect to the Internet on your known-good Ethernet network. You ran MRI and and the computer passed all tests when run using either Ethernet port.

What question should you ask the customer next?

A
Are any other computers able to connect to Ethernet at the office?
B
Have you installed all system software and firmware updates?
C
How did you damage your Ethernet cable at the office?
D
Did you change the default network settings?

Reveal answer details Close answer details

Correct answerB

Question 15

Single choice

Examine the image.

Why is it necessary to position the logic board of a MacBook Pro (13-inch, Mid 2012) as depicted?

A
To prevent damage to the microphone cable.
B
To prevent damage to the left speaker.
C
To prevent damage to the memory slots.
D
To prevent damage to the topcase with keyboard connector.

Reveal answer details Close answer details

Correct answerC

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Mac Service Certification

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