Huawei IoT gateway Zigbee physical layer technology adopts the following () standards?

• A.EEE802.15.1
• B.EC103
• C.lEEE802.15.4
• D.EC104

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The frequency of NB-IoTInband and Guardband cells can be arbitrarily configured within the supported frequency bands.

• A.False
• B.True

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Which of the following options belongs to the platform layer of Huawei's car networking system solution?

• A.Driving behavior analysis
• B.LTE-V
• C.Cloud Storage Center
• D.Operation support system

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Which of the following factors and technologies make NB-Iot have super coverage characteristics?

• A.eDRX mode
• B.Power spectral density increase
• C.Core network optimization
• D.Fast transmission of small packets

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The smart gateway is the core of the entire smart home network and the middle frame of the home network interconnection.

• A.True
• B.False

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