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In which phase packets are forwarded hop by hop to get closer to the sink?(a) Initialization(b) Message Relaying(c) Selective recovery(d) Lost message detectionI got this question in my homework.I'd like to ask this question from Addressing Reliability topic in portion Emerging Technology and Toy Designs, IoT Robustness and Reliability of IOT

Answer» CORRECT choice is (b) MESSAGE Relaying

Explanation: Packets are forwarded hop by hop to get closer to the sink. Intermediate NODES KEEP the packetId in their buffer during Tcol corresponding to the maximum delay ALLOWED to transmit.


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