esib_iot_challenge
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esib_iot_challenge [2017/05/17 22:27] – [4. Applications] samer | esib_iot_challenge [2017/05/17 22:44] – [4. Applications] samer | ||
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* What is the radio transmit parameters of the captured debug messages? | * What is the radio transmit parameters of the captured debug messages? | ||
* What is the radio receive parameters of the captured debug messages for the two receive windows? | * What is the radio receive parameters of the captured debug messages for the two receive windows? | ||
+ | </ | ||
+ | |||
+ | Getting back to the backend, you can monitor some important information related to your device. Click on the corresponding node session. | ||
+ | |||
+ | <WRAP left round help 100%> | ||
+ | * What are the different fields that appear in the node session corresponding to you device? | ||
+ | * Explain how each field is created according to the LoRaWAN specification. | ||
+ | * What are the different counters visible at the backend? Explain how they get incremented and how they are used. | ||
</ | </ | ||
===== -. Applications ===== | ===== -. Applications ===== | ||
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* What are the possible strengths and weaknesses in terms of security of MQTT? | * What are the possible strengths and weaknesses in terms of security of MQTT? | ||
* What are the different types of topics used by the backend? Explain. | * What are the different types of topics used by the backend? Explain. | ||
- | * Explain the different fields in a captured MQTT message received from you device. | + | * Explain the different fields in a captured MQTT message received from you device. |
</ | </ | ||
+ | |||
+ | <WRAP left round tip 100%> | ||
+ | The payload received by the MQTT client is decrypted but encoded in Base64. You should decode it to get the original message. | ||
+ | </ | ||
+ | |||
===== -. The End-to-End Challenge ===== | ===== -. The End-to-End Challenge ===== | ||
esib_iot_challenge.txt · Last modified: 2021/08/28 09:53 by samer