Which of the following options belong to the application modules in the Huawei Power Internet of Things solution?

• A.Billing (billing)
• B.Perpay (prepaid)
• C.MDM (Electric Meter Data Management)
• D.CRM (Customer Relationship Management)

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The key requirements of smart parking are to reduce operating costs, improve the lack of parking spaces, the low utilization rate and the rare situation of parking.
Consider user experience Network cost and network reliability.

• A.True
• B.False

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When using SoftRadio to initiate a binding request to the platform, if the request time out error is displayed, the possible reason is ()? (Multiple choice).

• A.Node ID is misconfigured, and the platform cannot find the device to be bound The basic information such
• B.Network environment problem, can not connect to the platform
• C.Platform port configuration error
• D.manufacturerid, deviceType, and mode is misconfigured, and the platform cannot be matched to the device to be bound

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Elte-loT currently supports frequency bands ()?

• A.902-928MHz
• B.1447-1467MHz
• C.863M-870MHz
• D.470M-510MHz

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The device ID prefix of AR501L1Rc model is ()?

• A.82E
• B.2A
• C.2C
• D.23

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