IoT Communication Protocols Quiz

What is the main responsibility of the MQTT server?

Handling client requests to receive or send data

When a device wants to send data to the MQTT broker, what operation is this called?

Publishing

When a device wants to receive data from the MQTT broker, what operation is this called?

Subscribing

What is the main difference between the GET and POST methods?

GET requests data, while POST submits data Signup and view all the answers

Which HTTP method should not be used when sending passwords or other sensitive information?

GET Signup and view all the answers

What is the first step in writing code to establish a connection to the internet and display sensor data in a web browser?

Write code to connect to the internet Signup and view all the answers

What is the primary function of the MQTT protocol?

Facilitating machine-to-machine communication Signup and view all the answers

In the MQTT protocol, what is the role of the publisher?

It sends data or messages to the MQTT broker Signup and view all the answers

Which HTTP method is typically used to retrieve data from a web server?

GET Signup and view all the answers

What is the role of the MQTT broker in the publisher-subscriber model?

It acts as a central hub for message routing Signup and view all the answers

What is the purpose of the subscribe operation in the MQTT protocol?

To receive data or messages from the MQTT broker Signup and view all the answers

Which step is typically required before an MQTT client can publish or subscribe to the broker?

Establish an internet connection Signup and view all the answers

Which of the following statements about MQTT is correct?

MQTT utilizes topic-based filtering of messages on the broker. Signup and view all the answers

What is the role of a broker in the MQTT protocol?

The broker handles data transmission between clients, forwarding messages to interested subscribers. Signup and view all the answers

In the MQTT protocol, what does the term 'publish' refer to?

The process of sending a message to the broker. Signup and view all the answers

How is the HTTP protocol different from the MQTT protocol?

HTTP is a request-response protocol, while MQTT is a publish-subscribe protocol. Signup and view all the answers

Which HTTP method is typically used to retrieve data from a server?

GET Signup and view all the answers

What is the first step in establishing an internet connection for an MQTT client?

Connect to the broker. Signup and view all the answers

IoT Communication Protocols Quiz

Questions and Answers

What is the main responsibility of the MQTT server?

When a device wants to send data to the MQTT broker, what operation is this called?

When a device wants to receive data from the MQTT broker, what operation is this called?

What is the main difference between the GET and POST methods?

Which HTTP method should not be used when sending passwords or other sensitive information?

What is the first step in writing code to establish a connection to the internet and display sensor data in a web browser?

What is the primary function of the MQTT protocol?

In the MQTT protocol, what is the role of the publisher?

Which HTTP method is typically used to retrieve data from a web server?

What is the role of the MQTT broker in the publisher-subscriber model?

What is the purpose of the subscribe operation in the MQTT protocol?

Which step is typically required before an MQTT client can publish or subscribe to the broker?

Which of the following statements about MQTT is correct?

What is the role of a broker in the MQTT protocol?

In the MQTT protocol, what does the term 'publish' refer to?

How is the HTTP protocol different from the MQTT protocol?

Which HTTP method is typically used to retrieve data from a server?

What is the first step in establishing an internet connection for an MQTT client?

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