What are the key technologies of the Internet of Things？
Sensor technology
RFID tags
embedded system technology
All of the above are
The Internet of Things was born in which revolution of the information technology industry?
first time
second time
third time
fourth time
What is the key in IoT applications？
Perception layer
network transport layer
application layer
All of the above are
Which of the following is not a function of an IoT application？
call
Identify
locate
track
What are the characteristics of the Internet of Things？
Comprehensive perception
reliable transmission
intelligent processing
All of the above are
What are the areas you are most exposed to in IoT applications?
Smart Transportation
Smart City
Smart Grid
Smart Transportation