CompTIA A+ Core 1 Practice Questions: Mobile Devices/Troubleshooting

5 free, exam-style CompTIA A+ Core 1 (220-1201) practice questions covering Mobile Devices/Troubleshooting. Each question shows the correct answer and a clear explanation. Ready for the real thing? Take the full timed quiz below.

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Q1. A user reports that their mobile phone's battery drains much faster than usual, even with light usage. Which of the following is a common cause for this issue?

Explanation: A poorly optimized or malfunctioning application running in the background can consume significant CPU resources and network data, leading to rapid battery drain. Checking battery usage by app in settings can help identify such apps. Learn more.

Q2. A user reports that the GPS on their smartphone is frequently inaccurate or unable to get a lock. Which of the following is LEAST likely to be a cause?

Explanation: While a nearly full storage device can cause general performance issues, it's least likely to directly impact GPS accuracy. Being indoors, having airplane mode on (which disables radios including GPS), or outdated A-GPS data are more common culprits. Learn more.

Q3. After connecting a new laptop dock, external displays are not detected. What should be checked first?

Explanation: Modern docks often require compatible firmware, drivers, and supported display modes to drive external monitors. Learn more.

Q4. A user reports a laptop battery drains rapidly after many charge cycles. What is the most likely explanation?

Explanation: Rechargeable batteries lose capacity over time and may need replacement after many cycles. Learn more.

Q5. A user reports their laptop battery drains very quickly even when idle. Which troubleshooting step should be performed first?

Explanation: Excessive battery drain is most commonly caused by background apps, high screen brightness, or misbehaving processes; checking resource usage is a quick, non-destructive first step before considering hardware issues. Learn more.

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