6) Which of the following principles does Near-field communication (NFC) protocol operate?
a. Electromagnetic field
b. Magnetic induction
c. Capacitive coupling
d Electric field
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Explanation:
Near-Field-Communication (NFC) is a set of communication protocols for communication between two electronic devices over a distance of 4 cm (11⁄2 in) or less.[1] NFC offers a low-speed connection with simple setup that can be used to bootstrap more-capable wireless connections.[2]
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Answer:
Like other wireless signals Bluetooth and WiFi, NFC works on the principle of sending information over radio waves. Near Field Communication is another standard for wireless data transition which means devices must adhere to certain specifications in order to communicate with each other properly.
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