Test your knowledge

Let's see whether you can answer the following questions correctly:

1. MQTT runs on top of:
   1. The MQIP protocol
   2. The TCP/IP protocol
   3. The IoT protocol
2. The data for an MQTT message is known as:
   1. Payload
   2. Packet
   3. Upload
3. In MQTT version 3.1.1, the broker is named:
   1. MQTT agent
   2. MQTT client
   3. MQTT server
4. Mosquitto is:
   1. A cloud-based MQTT server that is only available on Windows Azure
   2. A cloud-based MQTT server that is only available on Amazon Web Services
   3. An open source MQTT server compatible with MQTT versions 3.1.1 and 3.1
5. The default TCP port that a Mosquitto server uses is:
   1. 22
   2. 1883
   3. 9000

The rights answers are included in the Appendix, Solutions.