CWISA-103 무료 덤프문제 온라인 액세스

What is the primary difference between LoRa and LoRaWAN?

• A.LoRaWAN is the Physical Layer and LoRa is the Transport Layer
• B.LoRa uses RF and LoRaWAN uses light-based communications
• C.LoRa Is used for communicating across the Internet and LoRaWAN is used only on the local link
• D.LoRa is the modulation method and LoRaWAN implements the higher network layers

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

• A.Free Space Path Loss
• B.RF latency
• C.Beamwidth
• D.Diffraction

You are considering the implementation of a lab for testing wireless equipment. What is the primary benefit of such a lab? (Choose the single best answer.)

• A.Provides for testing to determine how much RF exposure you can tolerate
• B.Provides a failover environment for your production systems
• C.Provides a way to repurpose old hardware that is not ready for final removal
• D.Provides a safe environment in which to develop practical skills and knowledge of a technology and to test the technology

What organization maintains and publishes the 802.15.4 Standard?

• A.IEEE
• B.Zigbee Alliance
• C.IETF
• D.Bluetooth SIG

What is a common characteristic of Industrial IoT (IIoT) devices that is not a characteristic of all IoT devices?

• A.Transmission of small amounts of data throughout the day
• B.Use of standardized protocols
• C.Ruggedized devices constructed for operating in harsh environments
• D.Use of proprietary protocols