Test your knowledge

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. QoS level 0 for MQTT means:

   1. Exactly once delivery

   2. At most once delivery

   3. At least once delivery

5. QoS level 1 for MQTT means:

   1. Exactly once delivery

   2. At most once delivery

   3. At least once delivery

6. QoS level 2 for MQTT means:

   1. Exactly once delivery

   2. At most once delivery

   3. At least once delivery