The main function of gateway access authentication is to authenticate the identity of the gateway to prevent unauthorized access by unauthorized devices.

• A.True
• B.False

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The following () company can become OceanConnect's ecological partner? (multiple choice)

• A.chip company
• B.Lot Platform Company
• C.lot application development company
• D.mobile phone APP company

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Is the IoT gateway in the () position of the entire IoT solution?

• A.The application layer provides rich data processing capabilities
• B.The platform layer provides rich protocol adaptation capabilities
• C.Downstream convergence and upstream backhaul at the network layer.
• D.Perception layer provides rich sensing data collection capabilities

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How many subcarriers does PLC-Iot have?

• A.1
• B.96
• C.36
• D.128

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Among the following options, what is not the key technical feature of NB-loT?

• A.Low power consumption
• B.Wide coverage
• C.High bandwidth (correct answer)
• D.Big Connection
• E.low cost

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