A consumer places a smartphone close to a pay terminal at a store and the shopping charge is successfully paid. Which type of wireless technology was used?

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A consumer places a smartphone close to a pay terminal at a store and the shopping charge is successfully paid. Which type of wireless technology was used?

  • Wi-Fi
  • 3G
  • NFC
  • Bluetooth

Explanation and Hint:

NFC is a wireless technology that allows data to be exchanged between devices that are in very close proximity to each other.

 

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