When implementing private LTE or private 5G, what spectrum may be used? (Choose the single best answer.)

• A.Unlicensed spectrum
• B.Licensed, unlicensed, or shared spectrum
• C.Shared spectrum
• D.Licensed spectrum

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What part(s) of the OSI network model does the IETF primarily focus on for the development of standards?

• A.Data Link Layer
• B.All layers
• C.Network Layer and above
• D.Physical Layer

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

• A.IP46
• B.IP47
• C.IP66
• D.IP38

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Which one of the following is NOT a typical Smart City application?

• A.Pollution monitoring
• B.Demand-based road tolling
• C.Self-driving ride sharing
• D.City-wide municipal Wi-Fi

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What is the primary difference between LoRa and LoRaWAN

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

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