True or false: A phone may slow or pause charging because its temperature is too high or too low.
7 Mobile Device Troubleshooting Online Quiz Questions
Use this free practice quiz with 20 questions to review 7 Mobile Device Troubleshooting, test your knowledge, and prepare for your next test or exam.
True or false: If one accessory fails to work, that proves the device it was connected to is faulty.
- A
True
- B
False
An accessory connected through a hub is not detected. Which test can help determine whether the hub is causing the problem?
- A
Replace the device immediately.
- B
Test the accessory directly, if possible.
- C
Force the accessory connector into the port.
- D
Open the device and inspect its internal components.
Several devices cannot reach the internet while connected to the same Wi-Fi network. What should you investigate in addition to the devices?
- A
Investigate only the affected device’s app.
- B
Investigate the router or internet service as well as the devices.
- C
Replace every device connected to the network.
- D
Turn off Bluetooth on all devices.
A phone’s battery appears swollen. What is the safest next action?
- A
Keep charging the device while monitoring it.
- B
Press the battery to check whether it is soft.
- C
Stop using the device and seek qualified service.
- D
Puncture the battery to release pressure.
A laptop appears to power on, but its built-in screen stays blank. Which approach can help distinguish a display problem from a power or startup problem?
- A
Assume the battery is swollen and puncture it.
- B
Look for signs of power and test an external display if available.
- C
Keep restarting it without checking any symptoms.
- D
Insert a sharp object into the display connector.
A phone will not charge, and there is no sign of battery damage or unsafe heat. Which actions support a systematic diagnosis? Select all that apply.
- A
Change one factor at a time.
- B
Change several factors at once.
- C
Use a known-good compatible cable or accessory to compare results.
- D
Repeat the original task after a change to check whether the problem is gone.
A wireless headset will not pair with a phone. Which checks are recommended before concluding that the headset is faulty? Select all that apply.
- A
Check that it is charged.
- B
Check that it is powered on.
- C
Check that it is in pairing mode.
- D
Keep it as far from the device as possible.
- E
Check that it is not already connected to another device.
True or false: If a device connects to Wi-Fi but cannot reach the internet, the local wireless link may still be working.
- A
True
- B
False
What command can you run in an administrator Command Prompt on Windows 11 to generate a battery report?
A phone cannot access the internet reliably. Which two connection types should you compare to focus troubleshooting on the failing connection?
To isolate a cause, change at a time. After making a repair or adjustment, repeat the to verify the result.
When troubleshooting Wi-Fi, confirm that is off and check that the selected is correct.
A phone shows no charging indicator. Describe a safe, systematic troubleshooting plan, including how to isolate possible causes, how to verify the result, and when to stop testing and seek service.
A wireless headset will not pair with a phone. Which initial check best addresses common causes without assuming the phone is faulty?
- A
Reset the phone to factory settings before checking the accessory.
- B
Check that the accessory is charged, powered on, in pairing mode, in range, and not connected to another device.
- C
Assume the phone's Bluetooth hardware is faulty and arrange repair immediately.
- D
Keep the accessory connected to its other device while trying to pair it with the phone.
A laptop appears to power on, but its built-in screen stays blank. Which next step best helps distinguish a display problem from a power or startup problem?
- A
Insert a sharp object into the laptop's ports to check for debris.
- B
Replace the laptop because a blank screen proves the computer has no power.
- C
Check for power signs, such as indicator lights or fan noise, and test an external display if available.
- D
Force a connector into the laptop to make sure it is seated.
A wired accessory fails when connected through a hub. Which test would best help determine whether the hub is causing the problem?
- A
Connect the accessory directly to the device, bypassing the hub if possible.
- B
Replace the device before testing any other part of the setup.
- C
Keep the hub in place and change several device settings at once.
- D
Force the accessory connector into a different port.
On Windows 11, what command can you run in an administrator Command Prompt to generate a battery report?
A phone can use other websites, but one website will not load. What is the most justified inference for troubleshooting?
- A
Conclude that the device's Wi-Fi hardware has failed.
- B
Restart every router and device on the network immediately.
- C
Recognize that the device may have a working connection and investigate the failing app or website.
- D
Turn off all network connections because one website failed.
A device connects to its Wi-Fi network but cannot reach the internet. What part of the connection may still be working?