Internet of Things (IoT) Previous Year Question Paper
Are you preparing for your MCA 3rd Semester End Term Examinations? Accessing previous year question papers is one of the most effective ways to understand the exam pattern and identify high-weightage topics.
Below is the complete MCA-235: Internet of Things (IoT) question paper from the December 2025 – January 2026 session. This paper covers critical IoT concepts, including M2M communication, CoAP/MQTT protocols, Arduino/Raspberry Pi architectures, and Python integration for IoT.
Whether you are studying for your internal sessional exams or the final university boards, practicing these questions will help you master the IoT design methodology and protocol stacks.
| END TERM EXAMINATION | |
| Third Semester [MCA] | Dec 2025-Jan 2026 |
| Paper Code: MCA-235 | Subject : INTERNET OF THINGS |
| Time:3 Hours | Maximum Marks:60 |
| Note: Attempt five questions in all, including Q.No.1, which is compulsory. Select one question from each unit. | |
| Q1 Answer the following in brief. (Any four) (4×5=20) | |
| (a) Explain the difference between IoT and traditional internet-based systems. | |
| (b) How do enabling technologies like cloud computing contribute to IoT? | |
| (c) Analyze the importance of Big Data analytics in IoT applications. | |
| (d) Illustrate the role of sensors in IoT-enabled smart cities. | |
| (e) Why is the IoT paradigm considered revolutionary compared to SCADA systems? | |
| (f) Evaluate the advantages of MQTT as a messaging protocol in IoT. | |
| (g) How does the LoWPAN protocol differ from BLE in IoT applications? | |
| (h) Discuss the significance of REST-based APIs in IoT communication. | |
| (i) Explain the role of the HC-05 Bluetooth module in integrating IoT devices. | |
| (j) How do Python packages like paho-mqtt simplify IoT development? | |
| UNIT-I | |
| Q2. a) Discuss the evolution of IoT with relevant examples. (5) | |
| Q2. b) Explain IoT challenges and their solutions for smart agriculture applications. (5) | |
| Q3. a) Compare M2M, SDN, and IoT with suitable use cases. (5) | |
| Q3. b) Elaborate on IoT design methodology and its core components. (5) | |
| UNIT-II | |
| Q4. a) Differentiate between IoT layers and IoT stack. (5) | |
| b) Describe the function of CoAP and BLE in IoT transport protocols. (5) |
|
| Q5.a) Discuss REST-based APIs for IoT communication. (5) | |
| Q5. b) Explain the concept of fog computing and its importance in IoT. (5) | |
| UNIT-III | |
| Q6. a) Draw and explain the pin diagram of Arduino. (5) | |
| Q6. b) Compare the architecture of Raspberry Pi and Arduino for IoT applications. (5) | |
| Q7. a) How can sensors be integrated into IoT systems? Use examples of DHT or Ultrasonic sensors. (5) | |
| Q7. b)Discuss the applications of the ESP8266 Wi-Fi module in IoT projects.(5) | |
| UNIT-IV | |
| Q8. a) Explain how Python packages like paho-mqtt and requests are used for IoT devices. (5) | |
| Q8. b) Demonstrate Python code for handling file operations in an IoT systems. (5) | |
| Q9. a) Describe how time and sockets modules can be utilized in Python for IoT projects. (5) | |
| Q9. b) Explain how Adafruit Python libraries are used to manage sensor in IoT. (5) | |
Also check out the Python Programming Previous Year Paper here.
