Question: Simiso has been asked to research a new payment system for the retail stores that her company owns. Which technology is predominantly used for contactless

Simiso has been asked to research a new payment system for the retail stores that her company owns. Which technology is predominantly used for contactless payment systems that she will investigate?
A. Bluetooth
B. Near field communication (NFC)
C. Wi-Fi
D. Radio Frequency ID (RFID)

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