WEEK 2 2024

Question 1

Based on functionality, MQTT is a _______ protocol.

Answer 1

Data

Question 2

MQTT is a ___________-based lightweight protocol for use in conjunction with TCP/IP
protocol.

Answer 2

Publish-Subscribe

Question 3

A ____________ controls the publish-subscribe messaging pattern in MQTT.

Answer 3

Broker

Question 4

(T/F) “In MQTT, the Publishers are Lightweight Sensors.”

Answer 4

True

Question 5

Which of the following is MQTT designed for?
a. Remote connections
b. Limited bandwidth
c. Small code footprint
d. All of these

Answer 5

All of these

Question 6

A __________ to which a client is subscribed is updated in the form of messages and
distributed by the ____________.

Answer 6

Topic, Message Broker

Question 7

There are _______ number of methods in MQTT protocol.

Answer 7

5

Question 8

(T/F) “Publish/Subscribe in MQTT is event-driven and enables messages to be
pushed to clients.”

Answer 8

True

Question 9

SMQTT stands for?

Answer 9

Secure MQTT

Question 10

Similar to HTTP, CoAP utilizes which of the following for operation?
a. GET
b. PUT
c. PUSH
d. All of these

Answer 10

All of these

Question 11

(T/F) “The CoAP protocol is a Client-Server interaction-based protocol that is
asynchronous over a datagram-oriented transport protocol such as UDP.”

Answer 11

True

Question 12

What is the full form of M2M in the context of IoT protocol?

Answer 12

Machine to Machine

Question 13

What is the basic unit of data in the AMQP protocol?

Answer 13

Frame

Question 14

(T/F) The OSI Model has 9 layers

Answer 14

False

Question 15

The “Destination Address” in the IPv4 packet represents which of the following?

Answer 15

a. The destination node address of the packet