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WorksheetsIoT Quiz
Total questions: 11
Worksheet time: 6mins
Which protocol is commonly used in IoT for messaging and communication?
HTTP
FTP
MQTT
SMTP
What does IoT stand for?
Internet of Technology
Internet of Things
Internet of Tools
Internet of Trends
What is the role of a subscriber in MQTT?
To publish messages to a topic
To forward messages to other brokers
To receive messages from topics it subscribes to
To manage connections and sessions
What is the default port number for MQTT over TCP?
80
1883
8080
443
In MQTT, what is the role of a subscriber?
To send messages to a topic
To filter messages by topic
To receive messages from a topic
To store messages permanently
What is a disadvantage of using Wi-Fi for IoT applications?
Low data rates
Limited availability
High power consumption
Long range
In MQTT, what is the role of a publisher?
To receive messages from a topic
To filter messages by topic
To send messages to a topic
To store messages permanently
In MQTT, what is a topic?
A type of client
A string used to filter messages
A method of message encryption
A type of QoS level
Which of the following is a pro of using Bluetooth Low Energy (BLE) in IoT?
High power consumption
Limited range
Low power consumption
High data rates
What type of broker is used in MQTT implementation?
Centralized broker like Mosquitto
Decentralized peer-to-peer broker
Client-based broker
Serverless broker
What are the key roles in the MQTT publish-subscribe model?
Publisher, Receiver, Mediator
Sender, Broker, Receiver
Publisher, Broker, Subscriber
Transmitter, Broker, Listener
