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CWISA-103 · Question #69

A technician is troubleshooting LoRaWAN packet loss. Which factor MOST likely causes uplink failures?

The correct answer is B. Incorrect network session keys. Incorrect session keys prevent devices from successfully joining or sending valid encrypted frames. High SF actually improves range; LoRaWAN does not operate on 5 GHz.

IoT Operations and Analytics

Question

A technician is troubleshooting LoRaWAN packet loss. Which factor MOST likely causes uplink failures?

Options

  • AExcessive spreading factor (SF too high)
  • BIncorrect network session keys
  • CGateway operating on 5 GHz
  • DToo short antenna cables

How the community answered

(27 responses)
  • A
    7% (2)
  • B
    78% (21)
  • C
    4% (1)
  • D
    11% (3)

Explanation

Incorrect session keys prevent devices from successfully joining or sending valid encrypted frames. High SF actually improves range; LoRaWAN does not operate on 5 GHz.

Topics

#LoRaWAN#packet loss#network session keys#uplink troubleshooting

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