What is the system bandwidth of NB-IoT? (Single choice)

• A.12KHz
• B.60KHz
• C.15KHz
• D.180KHz

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Among the following options, the one that is not platform-level security is ()?

• A.Privacy
• B.Network security
• C.Confidentiality
• D.Physical protection

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The main motivation for the intelligent transformation of water companies is to reduce leakage and increase revenue.

• A.True
• B.False

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The smart home network includes a basic home network and an intelligent mutual identification network.

• A.False
• B.True

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Huawei AR532 has remote data collection and end-to-end security protection capabilities

• A.True
• B.False

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