| Snaprecruit.com

| Snaprecruit.com

Interview question based on skill :

Take as many assements as you can to improve your validate your skill rating

Total Questions: 20

1. Which protocol is lightweight?

Correct Answer is : MQTT

2. PubNub publishes and subscribes _________ in order to send and receive messages.

Correct Answer is : Keys

3. By clicking which key the PubNub will display public, subscribe, and secret keys.

Correct Answer is : Demo Keyset

4. The messageChannel class declares the _________ class attribute that defines the key string.

Correct Answer is : command_key

5. _________ method saves the received arguments in three attributes.

Correct Answer is : __Init__

6. _________ and _________ saves the publish and subscribe keys that we have generated with the PubNub Admin portal.

Correct Answer is : public_key and subscribe_key

7. _________ specifies the function that will be called when there is a new message received from the channel.

Correct Answer is : Callback

8. _________ specifies the function that will be called on an error event.

Correct Answer is : Error

9. _________ Specifies the function that will be called when a successful connection with the PubNub cloud.

Correct Answer is : Connect

10. _________ specifies the function that will be called when a successful re-connection is completed.

Correct Answer is : Reconnect

11. ___________ specifies the function that will be called when the client disconnects.

Correct Answer is : Disconnect

12. What is the image that we have been using to boot Intel Galileo Gen 2 board?

Correct Answer is : Local agent

13. The agent running as a _________ on a device.

Correct Answer is : Daemon

14. _________ command line utility allows us to perform specific interactions with Intel IoT Analytics.

Correct Answer is : Iotkit-admin

15. We will not use command line utility to perform _________

Correct Answer is : Send observations

16. To check whether the command line utility can establish proper communication the command is _________

Correct Answer is : iotkit-admin test

17. Build: 0.14.5 defines what?

Correct Answer is : Version

18. Command line to obtain the device Id?

Correct Answer is : iotkit-admin device-id

19. Default, device Id is equal to _________

Correct Answer is : MAC Address

20. Command to change the device Id?

Correct Answer is : iotkit-admin set-device-id new-device-id