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An IT specialist compares Bluetooth and NFC technologies for mobile device connectivity. Which of the following statements accurately describes a key difference between the two?
Correct Answer: D
Comprehensive and Detailed In-Depth Explanation: NFC (Near-Field Communication) operates at very short ranges - usually less than 4cm, and is ideal for quick, secure transactions like contactless payments. Bluetooth supports longer ranges (up to 10 meters or 32 feet) and is suited for ongoing connections like wireless headsets or file transfers. * Option A: Bluetooth is faster for large file transfers. * Option B: NFC uses less power, not more. * Option C: NFC does not require pairing - Bluetooth does. CompTIA A+ Core 1 Exam Objective Reference: * Objective 1.5: Given a scenario, connect and configure accessories and ports of mobile devices.