Mobile Devices
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Question 1 of 65
1. Question
After upgrading the wireless card in a laptop, the technician notices that the Wi-Fi signal strength is extremely weak, even when the device is close to the router. Other devices on the same network have a strong signal. What is the most likely cause?
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Question 2 of 65
2. Question
A technician is setting up a laptop for a user who frequently leaves their device unattended in shared workspaces. What is the best way to physically secure the laptop?
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Question 3 of 65
3. Question
James is using his laptop when he suddenly sees a “low disk space” warning, even though he recently deleted several large files. What is the best next step to troubleshoot this issue?
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Question 4 of 65
4. Question
A company issues laptops to employees who frequently work in public spaces such as coffee shops and airports. Management wants to prevent unauthorized individuals from viewing sensitive information on employees’ screens. What is the best solution to implement?
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Question 5 of 65
5. Question
A technician is reassembling a laptop after replacing the motherboard. To ensure the best wireless signal reception, where should the Wi-Fi antennas be placed?
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Question 6 of 65
6. Question
An organization wants to prevent unauthorized access to its data centers where servers and critical infrastructure are stored. Which physical security measure should be implemented?
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Question 7 of 65
7. Question
Michael notices that his laptop is taking much longer than usual to boot up and open applications. A clicking sound is coming from the laptop when it tries to load files. What is the most likely cause of the issue?
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Question 8 of 65
8. Question
A laptop is unable to detect any Wi-Fi networks, even when other nearby devices can connect to the same network. The Wi-Fi option is missing from the network settings, and the device manager does not show any issues. What should be checked first?
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Question 9 of 65
9. Question
A laptop user complains about weak Wi-Fi signals and slow network speeds. The issue persists even when other devices in the same location have strong connections. What is the most likely cause?
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Question 10 of 65
10. Question
A laptop user reports that their Wi-Fi signal is weak and frequently disconnects. The device works fine when close to the router but struggles in other rooms. What should the technician check first?
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Question 11 of 65
11. Question
A technician is troubleshooting a slow smartphone. The device frequently lags when switching between applications. Checking system resources, the technician finds that RAM usage is consistently at 95% or higher. What is the best solution?
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Question 12 of 65
12. Question
David is upgrading his laptop by replacing an old HDD with an SSD. He wants to maximize performance and lifespan of the SSD. What setting should he enable after installing the SSD?
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Question 13 of 65
13. Question
After replacing a laptop’s Wi-Fi card, the device is unable to detect any wireless networks. The technician confirms that the correct drivers are installed. What should be checked next?
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Question 14 of 65
14. Question
After upgrading the wireless card in a laptop, the device is unable to connect to Wi-Fi networks. The technician checks the device manager and sees a yellow warning icon next to the new wireless card. What is the most likely cause?
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Question 15 of 65
15. Question
A technician installs new RAM in a laptop, but the system only recognizes half of the installed memory. What is the most likely reason for this issue?
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Question 16 of 65
16. Question
A technician replaces a laptop’s wireless card, but after reassembly, the laptop no longer detects Wi-Fi networks. The technician confirms that the card is correctly installed and the correct drivers are installed. What should be checked next?
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Question 17 of 65
17. Question
A technician repairs a laptop that had a broken screen. After reassembly, the laptop’s Wi-Fi signal is significantly weaker than before, and it frequently disconnects from the network. What is the most likely cause?
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Question 18 of 65
18. Question
Sophia installs a new SSD in her laptop, but when she tries to install the operating system, the installation cannot detect the drive. What should she check first?
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Question 19 of 65
19. Question
A technician is troubleshooting a computer that takes an unusually long time to open applications and frequently freezes. The system has enough storage space and a fast processor. What component is most likely causing the issue?
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Question 20 of 65
20. Question
An employee reports that their laptop’s built-in webcam light turns on unexpectedly, even when they are not using it. The IT department suspects unauthorized access. What is the best action to take to protect the user’s privacy?
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Question 21 of 65
21. Question
A laptop is experiencing frequent crashes and blue screen errors after upgrading its RAM. A memory diagnostic test shows multiple errors. What is the most likely cause of this issue?
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Question 22 of 65
22. Question
Sophia is using her laptop, and it suddenly shuts down without warning, even though the battery was at 30%. After rebooting, the battery percentage reads 5%. What should she do first to troubleshoot the issue?
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Question 23 of 65
23. Question
A laptop user complains that their webcam produces a very dark image during video calls, even in a well-lit room. Adjusting brightness settings in the video application does not help. What is the best next step?
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Question 24 of 65
24. Question
Michael notices that his smartphone’s battery drains unusually fast, even after a full charge. The battery percentage also jumps unexpectedly from high to low. What is the most likely cause of this issue?
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Question 25 of 65
25. Question
A technician receives a laptop with sticky or non-responsive keys after heavy use. The laptop’s keyboard is still detected in the operating system, and external keyboards work normally. What is the best troubleshooting step?
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Question 26 of 65
26. Question
After replacing a laptop screen, the built-in microphone no longer functions. The device manager does not detect the microphone, and voice applications cannot access it. What is the most likely reason?
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Question 27 of 65
27. Question
A technician is troubleshooting a laptop with no Wi-Fi connectivity. The Wi-Fi card is detected in the operating system, but the device does not find any networks. What should be checked first?
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Question 28 of 65
28. Question
A laptop’s built-in microphone has stopped working during video calls, but external microphones work fine. The device manager does not show any errors. What is the most likely cause?
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Question 29 of 65
29. Question
A laptop’s keyboard is working, but the function keys (F1-F12) are not performing their secondary functions, such as adjusting brightness and volume. Instead, they are acting as standard function keys. What is the best way to resolve this issue?
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Question 30 of 65
30. Question
During an online meeting, participants report that the laptop’s microphone is producing distorted or muffled audio. The technician tests the microphone with a recording application and confirms the poor audio quality. What is the best next troubleshooting step?
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Question 31 of 65
31. Question
A technician is upgrading a laptop’s Wi-Fi card to a newer model. What must be done to ensure the best signal reception after installation?
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Question 32 of 65
32. Question
After replacing the keyboard on a laptop, a technician notices that pressing certain keys results in multiple or incorrect characters appearing on the screen. What is the most likely cause of this issue?
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Question 33 of 65
33. Question
After reassembling a disassembled laptop, the built-in webcam no longer works. The camera does not appear in the device manager, and video applications cannot detect it. What is the most likely cause?
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Question 34 of 65
34. Question
A laptop’s Wi-Fi performance has significantly dropped after the screen was replaced. The technician suspects an issue with the Wi-Fi antenna. Where is the most common location for laptop Wi-Fi antennas?
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Question 35 of 65
35. Question
David plugs in his smartphone, but the battery percentage does not increase. The phone displays a “Charging” icon, but after an hour, the battery level remains the same. What should he check first?
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Question 36 of 65
36. Question
A technician is troubleshooting a laptop where several keys are unresponsive. The laptop has not been exposed to liquid, and an external keyboard works fine. What should the technician check first?
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Question 37 of 65
37. Question
A technician is troubleshooting a smartphone microphone that is not picking up sound during phone calls but works fine when using voice recording apps. What is the most likely cause?
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Question 38 of 65
38. Question
A laptop’s built-in webcam is not detected in video conferencing applications. The device manager does not show any errors, and the camera appears to be working in other applications. What is the best next troubleshooting step?
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Question 39 of 65
39. Question
Emma notices that her laptop’s battery takes much longer to charge than usual, even when using the original power adapter. The charging speed has decreased significantly over time. What is the most likely cause?
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Question 40 of 65
40. Question
A technician is troubleshooting a laptop camera that is not functioning. The user reports that the camera worked previously, but now the system does not detect it. What is the most likely cause?
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Question 41 of 65
41. Question
A technician is repairing a laptop and notices that the Wi-Fi signal is weak after reassembling the device. What is the most likely cause of this issue?
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Question 42 of 65
42. Question
A laptop is taking an unusually long time to boot and frequently freezes when loading applications. The technician checks the storage drive and hears a clicking noise. What is the most likely cause?
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Question 43 of 65
43. Question
Samantha upgraded her laptop’s wireless card to a newer model that supports faster Wi-Fi speeds. However, after installation, the laptop does not connect to any networks. The card is recognized in the device manager, but no network connections appear. What should she do next?
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Question 44 of 65
44. Question
A security-conscious organization wants to prevent unauthorized individuals from physically accessing their servers and workstations. Which physical security component should be implemented?
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Question 45 of 65
45. Question
Carlos is troubleshooting a laptop that is unable to detect any Wi-Fi networks. The device manager shows a missing wireless adapter, and no networks appear in the available connections list. What is the best first step to resolve the issue?
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Question 46 of 65
46. Question
A technician is upgrading the RAM in a laptop but notices that the system only detects half of the installed memory. What is the most likely reason for this issue?
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Question 47 of 65
47. Question
A technician needs to replace a failed HDD in a laptop with an SSD. The user wants to improve performance while maintaining battery life. What additional step should be taken after installing the SSD?
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Question 48 of 65
48. Question
A company issues mobile devices to employees that contain sensitive business data. To protect these devices from unauthorized physical access, what security feature should be enabled?
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Question 49 of 65
49. Question
A laptop is experiencing frequent slowdowns and freezing when multiple applications are open. Checking system resources shows that memory usage is consistently at 95% or higher. What is the best solution to improve performance?
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Question 50 of 65
50. Question
A user complains that their laptop keyboard is typing random characters or repeating keystrokes excessively. What is the most likely cause?
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Question 51 of 65
51. Question
An SSD has been installed in a laptop to replace an older HDD. After installation, the laptop fails to detect the new drive in the BIOS. What should be checked first?
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Question 52 of 65
52. Question
A technician is setting up a new laptop for an employee and needs to ensure the device remains physically secure when unattended. What is the best method to achieve this?
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Question 53 of 65
53. Question
A laptop equipped with an SSD is experiencing frequent crashes and corrupted files. Running a diagnostic scan shows multiple bad sectors on the drive. What is the best course of action?
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Question 54 of 65
54. Question
A user reports that the function keys (F1-F12) on their laptop are not performing their expected secondary functions, such as adjusting brightness or volume. Instead, they are behaving as standard function keys. What is the best solution?
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Question 55 of 65
55. Question
James is using his laptop’s built-in Wi-Fi adapter but experiences frequent disconnections while other devices remain connected. After checking the device manager, he notices the wireless card frequently disappears and reappears. What is the most likely cause?
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Question 56 of 65
56. Question
A user complains that several keys on their laptop keyboard are unresponsive, but an external USB keyboard works fine. The issue persists after restarting the laptop. What is the best next step?
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Question 57 of 65
57. Question
A company requires employees to prevent unauthorized individuals from viewing sensitive information on their laptop screens when working in public places. Which physical security measure should be implemented?
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Question 58 of 65
58. Question
A technician is troubleshooting a laptop that frequently crashes and displays a blue screen error. The issue started after upgrading the RAM. Running a memory diagnostic tool reveals multiple errors. What is the most likely cause?
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Question 59 of 65
59. Question
A user complains that their tablet takes an unusually long time to charge and frequently loses charge quickly. The technician tests the charger and cable with another device, which charges normally. What should the technician do next?
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Question 60 of 65
60. Question
Maria’s laptop connects to Wi-Fi networks but experiences extremely slow speeds even when close to the router. Other devices on the same network perform normally. What is the best troubleshooting step?
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Question 61 of 65
61. Question
A user reports that their laptop keyboard has stopped responding after a liquid spill. Some keys work intermittently, while others do not respond at all. What should the technician do first?
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Question 62 of 65
62. Question
A mobile device is running significantly slower than usual, and applications frequently close unexpectedly. Checking the system resources shows high memory usage, even with minimal apps running. What should be done to resolve the issue?
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Question 63 of 65
63. Question
A user reports that their smartphone’s battery life has significantly decreased, and the device becomes unusually warm during charging. Upon inspection, you notice the battery has slightly swollen. What is the most appropriate action to take?
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Question 64 of 65
64. Question
A technician is troubleshooting a laptop that randomly shuts down even when plugged into the charger. The laptop’s battery percentage does not increase while charging, and the device only works when the charger is connected. What is the most likely cause?
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Question 65 of 65
65. Question
A user reports that their smartphone battery drains unusually fast, even after replacing it with a new battery. They have also noticed that the device feels warm during normal use. What is the most likely cause?
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