53. Which component would cause USB ports to stop working?
I/O board
RAM
SSD
Keyboard
✅ Correct Answer: I/O board
54. What is the recommended way to store MacBook batteries?
50% charge in cool, dry place
Fully charged
Completely discharged
In freezer
✅ Correct Answer: 50% charge in cool, dry place
55. Which diagnostic would you run for random shutdowns?
Apple Diagnostics and thermal testing
Disk Utility
System Preferences
Activity Monitor
✅ Correct Answer: Apple Diagnostics and thermal testing
56. What is the first step when replacing a MacBook keyboard?
Remove battery
Remove display
Remove logic board
Reset SMC
✅ Correct Answer: Remove battery
57. Which component would cause no charging but works on AC?
DC-in board
RAM
SSD
Keyboard
✅ Correct Answer: DC-in board
58. What is the purpose of the MacBook Pro thermal camera?
Monitor component temperatures
Face recognition
Night vision
Gesture control
✅ Correct Answer: Monitor component temperatures
59. Which tool is used to calibrate a MacBook Pro display?
Apple Service Toolkit
System Preferences
Terminal
Disk Utility
✅ Correct Answer: Apple Service Toolkit
60. What does a flashing globe icon indicate during startup?
Attempting Internet Recovery
No Wi-Fi
Firmware update
Hardware failure
✅ Correct Answer: Attempting Internet Recovery
61. Which component would cause no sound?
Audio codec
RAM
SSD
Keyboard
✅ Correct Answer: Audio codec
62. What is the recommended way to clean MacBook ports?
Soft brush and compressed air
Metal pick
Liquid cleaner
Vacuum cleaner
✅ Correct Answer: Soft brush and compressed air
63. Which component would cause no camera functionality?
Camera flex cable
RAM
SSD
Keyboard
✅ Correct Answer: Camera flex cable
64. What is the purpose of the MacBook Pro speaker grille mesh?
Dust and liquid protection
Wi-Fi antenna
Heat dissipation
Touch ID sensor
✅ Correct Answer: Dust and liquid protection
65. Which diagnostic would you run for graphical glitches?
Apple Diagnostics and AHT
Disk Utility
System Preferences
Activity Monitor
✅ Correct Answer: Apple Diagnostics and AHT
66. What is the first step when replacing a MacBook display assembly?
Disconnect battery
Remove screws
Pry open display
Reset SMC
✅ Correct Answer: Disconnect battery
67. Which component would cause no internal storage recognition?
SSD controller
RAM
Wi-Fi card
Keyboard
✅ Correct Answer: SSD controller
68. What is the purpose of MacBook Pro liquid contact indicators?
Detect liquid exposure for warranty purposes
Measure humidity
Control cooling
Monitor battery health
✅ Correct Answer: Detect liquid exposure for warranty purposes
69. Which tool is used to check Mac component serial numbers?
Apple Service Toolkit
System Information
Disk Utility
Terminal
✅ Correct Answer: Apple Service Toolkit
70. What is the recommended torque for MacBook screws?
1.2-1.4 Nm
0.5 Nm
2.0 Nm
As tight as possible
✅ Correct Answer: 1.2-1.4 Nm
71. Which component would cause a Mac to not wake from sleep?
Faulty RAM
SSD
Webcam
Speakers
✅ Correct Answer: Faulty RAM
72. What is the purpose of the MacBook Pro Touch Bar?
Context-sensitive OLED control strip
Secondary display
Fingerprint scanner
Wireless charging surface
✅ Correct Answer: Context-sensitive OLED control strip
73. Which component would cause no external display recognition?
DisplayPort controller
RAM
SSD
Keyboard
✅ Correct Answer: DisplayPort controller
74. What is the purpose of the MacBook force touch trackpad?
Pressure-sensitive input with haptic feedback
Fingerprint recognition
Gesture control
Wireless charging
✅ Correct Answer: Pressure-sensitive input with haptic feedback
75. Which tool is used to remove adhesive when replacing a MacBook battery?
Adhesive remover cards
Isopropyl alcohol
Plastic pry tool
Compressed air
✅ Correct Answer: Adhesive remover cards
The Apple MAC 16A ACMT Apple Service certification is a globally recognized credential for IT professionals.
This practice test helps you prepare by covering key topics like hardware, networking, troubleshooting, and security.
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