220-1101 Question #691: Real Exam Question with Answer & Explanation

The correct answer is C: The battery. {"question_number": 3, "question": "A phone only charges to 67% and then stops.", "correct_answer": "C. The battery", "explanation": "A battery that charges to a fixed percentage below 100% and stops is a classic symptom of battery degradation. Over time, lithium-ion battery cell

Mobile devices

Question

A customer's phone no longer charges fully. The phone only charges to 67% and then stops. Which of the following should be replaced to resolve this issue?

Options

AThe phone
BThe charger
CThe battery
DThe SD card

Explanation

{"question_number": 3, "question": "A phone only charges to 67% and then stops.", "correct_answer": "C. The battery", "explanation": "A battery that charges to a fixed percentage below 100% and stops is a classic symptom of battery degradation. Over time, lithium-ion battery cells lose capacity and can no longer hold a full charge. Replacing the battery restores full charging capacity. The charger (B) would more likely cause slow or no charging, not a consistent partial-charge cutoff. The SD card (D) has no role in charging. Replacing the entire phone (A) is unnecessary when the battery is the failed component.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

Topics

#Mobile device troubleshooting#Battery replacement#Charging issues#Lithium-ion batteries

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