In the hierarchical division of the Internet of Things, what is responsible for information acquisition
and signal processing ()?
D
Sigfox utilizes ultra-narrow UNB technology, so his transmission rate is lower, usually ()?
C
The southbound device sends an AT command to SoftRadio through the serial port, and the result is
that SoftRadio does not have any information prompt, possible reasons are ()? (Multiple choice).
B, C
Huawei Power IoT Solution's main application modules include ()? (Multiple choice)
A, B, C
CoAP protocol message format is simple, messages can be very short, using long connections, there
is a heartbeat preservation mechanism.
B
Of the following options, () is a narrowband wireless IoT solution based on the 3GPP standard
developed specifically for the industry IoT market?
A
Ar501L1Rc model device off status indicator is ()?
A
Does the Huawei LiteOS Security Framework contain () part? (Multiple choice).
A, B, C
Among the following IoT access technologies, the highest power consumption is ()?
B
The main motivation for the intelligent transformation of water companies is to reduce leakage
losses and increase revenue.
A
When using SoftRadio to initiate a binding request to the platform, if the request time out error is
displayed, the possible reason is ()? (Multiple choice).
A, B
Among the following options, which belong to the difficulties currently encountered by the Internet
of Things ( )? (Multiple choice)
A, B, C, D
In the following scenarios, what is the need for voice function ()?
D
Among the following options, the common features of eMTC and NB-loT are ()?(multi-select).
A, D
Intelligent ultrasonic water meter, the main function of the water temperature sensor ()?
A