Question

Do we run our program in the same computer where we have written?

(a) True

(b) False

(c) May or may not

(d) Cannot be determined

The question was asked during an interview.

This intriguing question originated from Publishing Messages with Commands topic in portion Working with the Cloud of IOT

Answer 1

The correct answer is (c) May or may not

To explain I would say: In case you don’t run the example in the same computer in which you are running the MQTT server, remember to change the value for the mqttServerHost string in the main method of the Main class.