PLC communication technology refers to a communication method that uses power lines to transmit data and media signals. (judge)

• A.True
• B.False

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After the third-party platform has successfully registered the serial number of the in-vehicle device to the OceanConnect platform, DceanConnet will generate a deviceld for the device in the platform.

• A.True
• B.False

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When the northbound application calls the authentication interface, what parameters are required ()?

• A.accesstoken
• B.appid
• C.appid and secret
• D.secret

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

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

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Which of the following is correct about the role of the home smart gateway?

• A.Information collection
• B.Linkage control
• C.Centralized & remote control
• D.Information input & output

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