Huawei proposed the "1+2+1" loT architecture and has provided ()commercial solutions? (multiple choice)

• A.Smart home
• B.Smart parking
• C.Smart lighting
• D.Smart water meter

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eLTE-IOT improves the coverage by increasing the power spectral density, and the maximum coverage radius can reach ().

• A.15km
• B.8km
• C.5km
• D.10km

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Among the following options, the process initiated by the IoT device is ()? (multiple choice)

• A.Southbound registration process
• B.Control message delivery process
• C.Southbound message reporting process
• D.Business release process

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In the hierarchical division of the Internet of Things, does Huawei's OceanConnect act on ()?

• A.platform layer
• B.Application layer
• C.network layer
• D.Perception layer management

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Among the following options, which are the current difficulties encountered by the Internet of Things ()? (multiple choice)

• A.High performance and power consumption requirements in video scenarios
• B.Multi-sensor collaborative management is complicated
• C.The communication protocol between terminals is complex and diverse
• D.The development language programming efficiency is low

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