________ tags, devices, smart phones useful in identification.
(a) IETF 6LoWPAN
(b) IEFT CoAP
(c) RFID/NFC
(d) IEEE 802.15.4.LoWPAN
I got this question in an international level competition.
I would like to ask this question from IoT Architecture for Precision Agriculture topic in chapter IoT Architecture of IOT