A technician is troubleshooting a smartphone that cannot connect to any Wi-Fi network. The phone's Wi-Fi toggle is on, but it does not detect any networks. Which of the following are possible causes? (Select all that apply.)

The Wi-Fi antenna is disconnected or faulty.

The phone's MAC address is blocked by the router.

The Wi-Fi driver or firmware is corrupted.

The Wi-Fi radio is disabled in airplane mode.

After replacing a smartphone's screen, the technician notices that the home button is not working. The screen replacement involved removing the home button flex cable. What should the technician do to verify the repair?

Reconnect the home button flex cable and test the button.

Update the phone's firmware to support the new screen.

Perform a factory reset to reinitialize the home button.

Replace the home button with a new one.

A user's smartphone cannot connect to a Bluetooth speaker, but the speaker works with other phones. The phone's Bluetooth is on and discoverable. What should the technician do NEXT?

Reset the phone's network settings.

Forget the speaker from the phone's Bluetooth settings and pair again.

Replace the phone's Bluetooth antenna.

A technician has identified that a smartphone's power button is physically stuck and does not click. Which solution is most appropriate to resolve this issue?

Replace the power button assembly

After replacing a smartphone's battery, the device powers on but the battery percentage shows 1% and does not increase when plugged in. What should the technician do to verify the issue is resolved?

Calibrate the battery by fully charging it, then using it until it dies, then fully charging again.

Perform a factory reset to reset the battery statistics.

Replace the charging port immediately.

Check that the battery connector is properly seated and the charging cable is functional.

CompTIAA+ Core 1

Domain 1Objective 4

Troubleshooting 220-1201 Practice Questions (Page 2)

Part of the Mobile devices domain, which accounts for 13% of the 220-1201 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 30 practice questions to prepare you well beyond it. (estimate)

30questions here

6free pages

7concepts

13%of the exam

Questions 6–10

6expert · hard · select all that apply
A technician is troubleshooting a smartphone that cannot connect to any Wi-Fi network. The phone's Wi-Fi toggle is on, but it does not detect any networks. Which of the following are possible causes? (Select all that apply.)
Select an answer first
7expert · hard
After replacing a smartphone's screen, the technician notices that the home button is not working. The screen replacement involved removing the home button flex cable. What should the technician do to verify the repair?
Select an answer first
8application · medium
A user's smartphone cannot connect to a Bluetooth speaker, but the speaker works with other phones. The phone's Bluetooth is on and discoverable. What should the technician do NEXT?
Select an answer first
9foundation · easy
A technician has identified that a smartphone's power button is physically stuck and does not click. Which solution is most appropriate to resolve this issue?
Select an answer first
10application · medium
After replacing a smartphone's battery, the device powers on but the battery percentage shows 1% and does not increase when plugged in. What should the technician do to verify the issue is resolved?
Select an answer first

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