CompTIA A+ Core 1 · 220-1101
Objective 5.5: Troubleshoot common issues with mobile devices
Practice questions for A+ Core 1 objective 5.5, “Troubleshoot common issues with mobile devices.” Every question is original, written to the 220-1101 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 5.0: Hardware and Network Troubleshooting, which is about 29% of the exam — so mastering it moves your readiness score meaningfully.
1.A user reports that the touchscreen on their smartphone responds to touches in the wrong location — tapping the left side activates elements on the right. What is this condition called and what should be done?
2.A laptop user reports their device runs very hot and the fan runs at full speed continuously, but the CPU usage shown in Task Manager is low. What is the MOST likely cause?
3.A user's tablet displays a notification that says "Charging Slowly" when connected to a charger. What is the MOST likely cause?
4.A smartphone user reports that their device becomes extremely hot and the battery drains rapidly even when the phone is idle. What should the technician investigate FIRST?
5.A corporate mobile device management (MDM) policy requires that employee smartphones have screen locks enabled. A user bypasses the lock by disabling it in their settings. What MDM feature should the IT administrator use to prevent this?
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