What metric is used to express a relative increase or decrease in signal strength?

Answer(s): A

As an RF signal propagates it becomes weaker as it gets farther away from the transmitter.
What concept is described?

Answer(s): B

What is the primary difference between LoRa and LoRaWAN

LoRa uses RF and LoRaWAN uses light-based communications
LoRa is the modulation method (using CSS modulation at the Physical Layer) and LoRaWAN is the
MAC sub-layer of the Data Link layer
LoRa is the Physical Layer and LoRaWAN is the Transport Layer
LoRa is used for communicating across the Internet and LoRaWAN is used only on the local link

Answer(s): C

When deploying devices in an indoor manufacturing environment, which IP rating is more likely to be required?

Answer(s): D

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