WorksheetsIoT Quiz
Total questions: 10
Worksheet time: 10mins
What is an Arduino primarily used for in an IoT setup?
Cloud data storage
Interfacing with physical sensors and actuators
Routing network packets
Hosting websites
Which device is generally more powerful and can run a full operating system like Linux?
Arduino Uno
ESP8266
Raspberry Pi
DHT22
What is the role of an IoT Gateway in an IoT network?
It bridges sensor devices to the internet or cloud
It measures temperature
It transmits data directly to the actuator
It is only a power supply for devices
LPWAN technologies such as LoRa and Sigfox are preferred for:
High bandwidth video streaming
Processing big data on the cloud
Real-time AR/VR experiences
Long-distance, low-power communications
Which of the following is a lightweight publish/subscribe protocol commonly used in IoT?
HTTP
FTP
MQTT
SNMP
Which LPWAN technology allows devices to communicate over tens of kilometers with very low power consumption?
LoRa
WiFi
Bluetooth
Ethernet
CoAP (Constrained Application Protocol) is designed for:
Audio compression
Full desktop applications
Large-scale video streaming
Resource-constrained devices with low bandwidth networks
Which protocol is built on top of HTTP and often used for bi-directional messaging in IoT?
MQTT
XMPP
TCP
POP3
What is a sensor in the context of IoT?
A device that detects or measures a physical property and converts it into a signal
A device that processes all incoming data
A device that transmits radio waves to the cloud
A protocol for sending messages
Why is Sigfox often chosen for IoT devices?
It supports video streaming at 4K
It requires constant WiFi connection
It is optimized for web browsing
It provides a low-power, long-distance wireless connection with small payloads
