In device management, DM Server passes commands to the gateway through the () protocol to complete the configuration management of the device?
Huawei LiteOS Interconnection Framework provides () protocol stacks to achieve interoperA, Bility?
Among the following options, the security technologies suitA, Ble for use on simple end devices are ()? (Multiple choice)
Different home appliances in the smart home come from different manufacturers, so they cannot exchange information.