CompTIA A+ 220-901

Category - Hardware

What is the maximum distance allowed for two NFC devices to communicate?
  1. 1cm
  2. 2cm
  3. 3cm
  4. 4cm
Explanation
Answer: D - The maximum distance allowed for two NFC devices is 4cm.

Near Field Communication (NFC) lets two devices communicate provided they are within 4cm from each other. No pairing code is necessary compared to Bluetooth, and it is capable within most current mobile devices.
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