easyMultiple ChoiceObjective-mapped
220-1202 Practice Question: That their Android phone's battery drains rapidly…
A user reports that their Android phone's battery drains rapidly after a recent app update. They have already tried restarting the device. Which of the following should a technician recommend FIRST to diagnose the issue?
⚠ Common exam trap
CompTIA often tests the principle of 'least invasive first' in troubleshooting, and the trap here is that candidates may jump to a factory reset (Option A) as a quick fix, overlooking the simple diagnostic step of checking battery usage statistics that directly pinpoints the problematic app.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Check battery usage in Settings to identify the app consuming the most power.
The first step in diagnosing rapid battery drain after an app update is to use the built-in battery usage tool in Android Settings. This tool provides a per-app breakdown of power consumption, allowing the technician to identify which specific app is consuming excessive energy without making invasive changes. Restarting the device already failed to resolve the issue, so checking battery stats is the logical next step before any destructive or restrictive actions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Perform a factory reset.
Why it's wrong here
Performing a factory reset is an extreme measure that should only be considered after all other troubleshooting steps have failed. This action irrevocably erases all user data, installed applications, and customized settings from the device, reverting it to its original out-of-box state. It is not a diagnostic step and prevents identification of the specific software or configuration issue causing the excessive battery drain, making it an inefficient first response.
- ✓
Check battery usage in Settings to identify the app consuming the most power.
Why this is correct
The most logical and effective first step is to access the device's battery usage statistics, typically found within the "Settings" menu under "Battery" or "Device Care." This feature provides a detailed breakdown of power consumption by individual applications, system services, and hardware components over a specific period. Identifying the primary power-consuming entity allows for targeted troubleshooting, such as force-stopping, updating, or uninstalling a problematic app, without resorting to more drastic measures.
- ✗
Replace the battery immediately.
Why it's wrong here
Replacing the battery immediately is a premature and potentially unnecessary action. Battery drain issues are frequently software-related, caused by misbehaving applications, background processes, or incorrect system configurations, rather than a physically degraded battery. Without first diagnosing the root cause, replacing hardware incurs unnecessary cost and effort, and may not resolve the underlying problem if it is software-driven.
- ✗
Disable all background data.
Why it's wrong here
Disabling all background data is an overly broad and disruptive approach that fails to pinpoint the specific cause of battery drain. While it might reduce overall power consumption by restricting network activity for all apps, it significantly impairs the functionality of many applications that rely on real-time updates and notifications. This blanket solution does not identify the specific problematic application or service, making it an inconvenient and non-diagnostic troubleshooting step.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.