initialization
message relaying
selective recovery
lost messagedetection
Answer is Wrong!
Answer is Right!
The correct answer is B. message relaying.
In message relaying, packets are forwarded hop by hop to get closer to the sink. This is the main phase of operation in a sensor network.
A. Initialization is the phase in which the sensor nodes are activated and join the network.
C. Selective recovery is the phase in which the sensor nodes recover from lost packets.
D. Lost message detection is the phase in which the sensor nodes detect lost packets.
I hope this helps! Let me know if you have any other questions.