Q.1 Which of the following is an example of a popular open-source IoT platform?
AWS IoT Core
Google Cloud IoT
Kaa IoT
Microsoft Azure IoT Hub
Explanation - Kaa IoT is a widely used open-source IoT platform that enables device management, data collection, and application development.
Correct answer is: Kaa IoT
Q.2 What is the primary function of IoT platforms?
Managing databases
Connecting devices and applications
Providing user interface design
Hosting web applications
Explanation - IoT platforms mainly help connect devices, manage data, and enable communication between applications.
Correct answer is: Connecting devices and applications
Q.3 Which IoT platform is provided by Amazon?
Azure IoT
Kaa IoT
AWS IoT Core
ThingSpeak
Explanation - AWS IoT Core is Amazon's IoT platform enabling secure communication and device management.
Correct answer is: AWS IoT Core
Q.4 ThingSpeak platform is mainly used for:
Big data analytics
Real-time data visualization and storage
Virtualization
Cloud gaming
Explanation - ThingSpeak is popular in IoT projects for storing and visualizing sensor data in real time.
Correct answer is: Real-time data visualization and storage
Q.5 Which IoT tool is known for rapid prototyping and supports Arduino and Raspberry Pi?
Node-RED
ThingWorx
Google Cloud IoT
Kaa IoT
Explanation - Node-RED is a flow-based development tool widely used for prototyping IoT solutions and supports devices like Raspberry Pi.
Correct answer is: Node-RED
Q.6 Microsoft’s IoT solution is called:
Azure IoT Hub
Kaa IoT
Google Cloud IoT
OpenHAB
Explanation - Microsoft Azure IoT Hub allows secure device-to-cloud and cloud-to-device communication.
Correct answer is: Azure IoT Hub
Q.7 Which of these is a feature of Google Cloud IoT Core?
Machine learning integration
3D rendering
Blockchain support
Game design
Explanation - Google Cloud IoT Core integrates with Google’s AI and ML tools for advanced data processing.
Correct answer is: Machine learning integration
Q.8 Which IoT platform is best suited for low-cost academic and hobby projects?
AWS IoT Core
ThingSpeak
Azure IoT Hub
Google Cloud IoT
Explanation - ThingSpeak is free for small-scale use, making it suitable for educational and hobbyist IoT projects.
Correct answer is: ThingSpeak
Q.9 What does Node-RED primarily use to represent IoT processes?
Flow-based diagrams
Command-line interfaces
XML files
Spreadsheet tables
Explanation - Node-RED provides a flow-based graphical interface for designing IoT applications.
Correct answer is: Flow-based diagrams
Q.10 OpenHAB is mainly used for:
Smart home automation
Cloud security
Game development
Image processing
Explanation - OpenHAB is an open-source IoT tool designed for integrating and automating smart home devices.
Correct answer is: Smart home automation
Q.11 Which IoT platform supports MQTT, HTTPS, and AMQP protocols?
Azure IoT Hub
ThingSpeak
Node-RED
OpenHAB
Explanation - Azure IoT Hub supports multiple communication protocols such as MQTT, HTTPS, and AMQP for device communication.
Correct answer is: Azure IoT Hub
Q.12 Which of these is NOT an IoT platform?
Kaa IoT
AWS IoT Core
ThingSpeak
MySQL
Explanation - MySQL is a relational database system, not an IoT platform.
Correct answer is: MySQL
Q.13 What kind of data is typically stored in IoT platforms?
Sensor data
Movie scripts
Music files
Game levels
Explanation - IoT platforms are mainly designed to collect, store, and analyze sensor data from devices.
Correct answer is: Sensor data
Q.14 Which tool is often used in IoT for visual programming and automation?
Node-RED
Eclipse IDE
Docker
MongoDB
Explanation - Node-RED is a visual programming tool that simplifies IoT application development.
Correct answer is: Node-RED
Q.15 ThingWorx is primarily designed for:
Industrial IoT applications
Gaming
Smartphones only
Social networking
Explanation - ThingWorx focuses on building industrial IoT solutions for enterprises.
Correct answer is: Industrial IoT applications
Q.16 Which platform provides out-of-the-box analytics for IoT data?
AWS IoT Core
ThingSpeak
Kaa IoT
OpenHAB
Explanation - ThingSpeak provides built-in MATLAB analytics for processing IoT data.
Correct answer is: ThingSpeak
Q.17 Which programming language is often used with Node-RED?
Python
JavaScript
C++
Java
Explanation - Node-RED runs on Node.js and mainly uses JavaScript for coding custom functions.
Correct answer is: JavaScript
Q.18 IBM Watson IoT platform is part of which service?
IBM Cloud
Google Cloud
Amazon Web Services
Microsoft Azure
Explanation - IBM Watson IoT is integrated into IBM Cloud for device management and analytics.
Correct answer is: IBM Cloud
Q.19 Which IoT platform is best known for integrating with MATLAB?
ThingSpeak
Azure IoT Hub
Google Cloud IoT
Kaa IoT
Explanation - ThingSpeak integrates directly with MATLAB for analyzing IoT data.
Correct answer is: ThingSpeak
Q.20 Which IoT platform is most widely used for industrial automation?
ThingSpeak
ThingWorx
Node-RED
OpenHAB
Explanation - ThingWorx provides specialized solutions for industrial IoT use cases.
Correct answer is: ThingWorx
Q.21 What is the role of device management in IoT platforms?
Managing storage capacity
Ensuring device connectivity and updates
Designing mobile apps
Encrypting movies
Explanation - Device management ensures IoT devices remain secure, updated, and connected.
Correct answer is: Ensuring device connectivity and updates
Q.22 Which IoT tool is best known for integrating different APIs and services?
Node-RED
AWS IoT Core
ThingWorx
Kaa IoT
Explanation - Node-RED allows easy integration of APIs and services using drag-and-drop flows.
Correct answer is: Node-RED
Q.23 Which open-source IoT platform is widely used in enterprises?
Kaa IoT
ThingSpeak
Azure IoT Hub
Google Cloud IoT
Explanation - Kaa IoT is a scalable open-source platform used for enterprise IoT applications.
Correct answer is: Kaa IoT
Q.24 Which of the following IoT platforms is most suited for home automation?
OpenHAB
AWS IoT Core
ThingWorx
Kaa IoT
Explanation - OpenHAB specializes in connecting and automating smart home devices.
Correct answer is: OpenHAB
Q.25 Which feature makes AWS IoT Core attractive for enterprises?
Scalability and security
Low graphics rendering
Free gaming servers
Blockchain mining
Explanation - AWS IoT Core is valued for its scalability and strong security for enterprise IoT.
Correct answer is: Scalability and security