Question 46
CoAP protocol message format is simple, messages can be very short, using long connections, there is a heartbeat preservation mechanism.
Question 47
When a northbound application calls the authentication interface, what parameter is required ()?
Question 48
Among the following options, what is not a key technical feature of NB-loT is ()?
Question 49
Can an eLTE-loT network administrator manage () network elements? (Multiple choice)
Question 50
The following scenario () belongs to the control message delivery process? (Multiple choice)