What are the main functions of the loT connection management platform ()? (Multiple)

• A.Industry application
• B.Business application extension
• C.open terminal access
• D.Safe and reliable

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The description of the device simulator, is there ()? (Multiple choice)

• A.When the device simulator simulates data reporting, only one property of one service can be simulated at a time
• B.When the device simulator simulates data reporting, only one service can be simulated at a time
• C.Add devices for the device simulator, you can add directly connected devices, you can also add non-direct connected devices
• D.Device simulator bindings who can be directly added to an online device without the need for northbound apps

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

• A.Low power consumption
• B.High broadband .
• C.Low cost
• D.Large connection
• E.Wide coverage

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Among the following options, what is not the problem that the smart manhole cover can deal with ()?

• A.Personnel go to the well without permission
• B.Flooded road surface
• C.manhole cover is missing
• D.Communication cable is lost

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IoT security is the cornerstone of iot and is a problem that the IoT must face and solve.

• A.Error
• B.Correct

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