In the process of Huawei LiteOS development, which of the following description is correct?A . Link accessories need to choose according to the development boardB . Keil debugging, printf function without redirectionC . LiteOS...
In the power industry, the main advantage of achieving AMLI remote meter reading with eLTE-IoT is broad coverage, massive connectivity, ease of deployment and expansion.A . TrueB . FalseView AnswerAnswer: A
Which of the following type is not included in Huawei LiteOS task status?A . RunB . ReadyC . ObstructionD . WaitingView AnswerAnswer: D
Which of the following options belong to the main features of Huawei's IoT solution? (Multiple choice)A . On-demand lighting, reduce street lighting energy consumptionB . high-efficiency low-cost connection of massive lightsC . Reduce the...
API application scenarios are divided into two kinds, there are some manufacturers only did sensors, a variety of sensors, there are cars, but also do the family do Camera, and this is what we...
Which module is used by Huawei LiteOS to receive messages of indefinite length from tasks or interrupts?A . interruptedB . QueueC . SemaphoreD . MutexView AnswerAnswer: B
Which technology is respectively used by NB-IoT uplink, downlink?A . GMSK ， SCFDMAB . SCFDMA ， OFDMC . OFDM ， GMSKD . SCFDMA ， PSKView AnswerAnswer: B
The following options, which of the following belong to the IoT hierarchy? (Multiple choice)A . Application layerB . platform layerC . Data Link LayerD . Perception layerView AnswerAnswer: ABD
In the short-range wireless network technology, which of the following are common? (Multiple choice)A . ZigbeeB . RFC . Z-WaveD . WifiE . BluetoothF . PLCView AnswerAnswer: ABCDE
Which of the following KPI indicators is used to assess network coverage by NB-IoT?A . RSRPB . SINRC . Overlap coverageD . PSMView AnswerAnswer: B
