NEW
Font size
WorksheetsQuiz sur LoRa et LoRaWAN
Total questions: 10
Worksheet time: 5mins
What is LoRa?
An IP-based network protocol
A long-range, low-power radio communication technology
A cloud-based IoT platform
A low-power Wi-Fi standard
Which modulation technique is used by LoRa to achieve long-distance communication?
QAM
OFDM
Chirp Spread Spectrum (CSS)
ASK
What is the main purpose of LoRaWAN?
Provide a graphical user interface for IoT users
Define a low-power wide-area network protocol for IoT devices
Increase the raw data rate of LoRa
Replace Wi-Fi in urban environments
Which frequency band is primarily used by LoRaWAN in Europe?
433 MHz only
868 MHz
2.4 GHz
5 GHz
What is the correct upstream data flow in a LoRaWAN network?
Device → Network Server → Gateway → Application Server
Gateway → Device → Application Server → Network Server
Device → Gateway → Network Server → Application Server
Device → Application Server → Gateway → Network Server
Which LoRaWAN component is responsible for message deduplication?
Gateway
End device
Application server
Network server
Which class of LoRaWAN device has the lowest energy consumption?
Class A
Class B
Class C
All classes consume the same energy
What is the purpose of the DevEUI?
Identify the cloud application
Uniquely identify a LoRaWAN end device
Encrypt the application data
Identify a gateway
What is the effect of using a high spreading factor (SF12)?
High data rate and short range
Short occupancy time
Long range and low data rate
Zero energy consumption
What is the main objective of the adaptive data rate (ADR)?
Increase security
Reduce network latency
Optimize energy consumption and spectrum efficiency
Force all devices to use SF12
