Internet of Things (IoT)

Q1. Which class attribute does the message Channel class declare that defines the key string?

Q2. Which of these options allows us to control the electronic components?

Q3. What kind of protocol is MQTT?

Q4. Which of these options specifies the function to be called when there is a new message received from a channel?

Q5. Is MQTT better than HTTP when it comes to sending and receiving data?

Q6. Which of these options specifies the function to be called when there is an error event?

Q7. Which of these options specifies the function to be called when there is a successful connection with the PubNub cloud?

Q8. What type of protocol is lightweight?

Q9. Which of these keys would you click to let the PubNub display public, subscribe, and secret keys?

Q10. What does MQTT stand for?