Free CWSA-101 Exam Braindumps (page: 6)

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

  1. dB
  2. dBm
  3. mW
  4. W

Answer(s): A



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

  1. Free Space Path Loss
  2. RF latency
  3. Beamwidth
  4. Diffraction

Answer(s): B



What is the primary difference between LoRa and LoRaWAN

  1. LoRa uses RF and LoRaWAN uses light-based communications
  2. LoRa is the modulation method (using CSS modulation at the Physical Layer) and LoRaWAN is the
    MAC sub-layer of the Data Link layer
  3. LoRa is the Physical Layer and LoRaWAN is the Transport Layer
  4. 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?

  1. IP38
  2. IP47
  3. IP46
  4. IP66

Answer(s): D






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