Question 51
Among the following communication technologies, which frequency band is in the SubG unlicensed frequency band? (multiple choice)
Question 52
Is the IoT gateway in the () position of the entire IoT solution?
Question 53
The result of the service distribution process is that the loT application server can log in to OceanConnect.
Question 54
Need to set () information to add task season to HuaweiLiteOS task stack? (multiple choice)
Question 55
Which of the following communication technologies is not a wireless short-range communication technology ()?