CompTIA A+ Core 2 · 220-1102
Objective 3.4: Troubleshoot common mobile OS and application issues
Practice questions for A+ Core 2 objective 3.4, “Troubleshoot common mobile OS and application issues.” Every question is original, written to the 220-1102 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 3.0: Software Troubleshooting, which is about 22% of the exam — so mastering it moves your readiness score meaningfully.
1.A user reports that NFC payments are not working on their Android phone at the point-of-sale terminal. The phone has Google Pay configured. What should the technician check first?
2.A mobile user reports their phone screen does not rotate when the device is physically rotated from portrait to landscape. Which setting should the technician check first?
3.A user says their mobile phone's Wi-Fi connection is extremely slow while standing next to the router, but their laptop gets full speed at the same location. What should the technician investigate on the phone?
4.A user's iOS device battery drains from 100% to 10% in less than two hours of light use. The device is two years old. What is the most likely cause?
5.An app on a user's Android device repeatedly fails to load and displays "App not installed" even after multiple reinstall attempts from the Play Store. What is most likely causing this?
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