Internet of Things (Elective-IV)
Previous Year Questions (AKTU)
Unit 1: Internet of Things (IoT)
- Define the Internet of Things (IoT). Explain its vision, definition, and conceptual framework.
- Explain the different characteristics of IoT.
- What are the different components and building blocks required for an IoT device?
- What is the role of "things" and the "Internet" in IoT?
- Why do IoT systems have to be self-adapting and self-configuring?
- Explain the layered IoT architecture (or architectural view) with the help of a neat diagram.
- Explain IoT/M2M system layers and design standardization.
- What is the requirement for IoT protocol standardization?
- Differentiate between M2M communication and IoT.
- What is the relation between WSN and IoT? Explain with an example.
- Distinguish between the Web of Things and the Internet of Things.
- What is the Cloud of Things?
- What is IoT Analytics, and how can Big Data be used in IoT? Explain in detail.
- Define the sources of IoT and give 5 examples of hardware sources for IoT prototype development.
- Discuss various standards and technologies that enable ad hoc connectivity between devices, forming the basis of IoT.
- What is identity management in the Internet of Things? Explain any two identity management techniques.
- Why is security required in IoT? Explain in detail the various security challenges, threat analysis, access control, and message integrity in IoT.
- Explain data modeling using the Entity-Relationship (ER) model, ER model concepts, and notation for ER diagrams.
- Explain the concept of data independence, database languages, and interfaces.
- Explain data enrichment and the functions of data consolidation in IoT.
- Write in detail about the business model scenario for the Internet of Things.
- Explain Data Visualization and its importance in IoT.
- How can industries benefit from IoT? Explain the role of IoT for increased autonomy and agility in collaborative production environments.
- Explain the Internet of Things using PLC technology.
- Explain the communication technologies, data enrichment, and consolidation in IoT, detailing its ease of designing and affordability.
- Write an Arduino program to blink a connected LED using a Fibonacci sequence of delays (e.g., 1s, 1s, 2s, 3s, 5s, 8s) between on and off states, resetting the sequence after 5 blinks.
Unit 2: Hardware for IoT
- What do you mean by IoT-supported hardware? Explain the block diagram of IoT device hardware.
- What are the primary hardware components that make up an embedded system? Explain the basic concept of an embedded system on an IoT device.
- What are IoT hardware platforms? Explain three popular embedded platforms utilized for IoT.
- Explain Arduino and Raspberry Pi in IoT. What are the main differences between them?
- Differentiate between a Raspberry Pi and a desktop computer.
- Explain the following IoT boards and architectures: BeagleBone board, Intel Galileo, and ARM Cortex.
- What is Arduino IDE? Explain its use and the structure of an Arduino program.
- Write down the steps for the implementation of IoT using Arduino. How do you add two numbers in Arduino?
- Name 4 Arduino libraries and explain what an Arduino emulator is.
- Define sensors (including digital sensors) and actuators. Explain their roles in IoT systems with examples and neat sketches.
- Explain identification technologies used in IoT. What is RFID technology and how does it work?
- Explain the concepts and terminology of RFID applications. How is RFID helpful in IoT architecture?
- What do you mean by an RFID-based EPC network?
- Compare Radio Frequency Identification (RFID) technology with Wireless Sensor Networks (WSN).
- Write a C program to interface a DHT11 sensor and an LED with a microcontroller such that the LED switches on only if the temperature exceeds 35°C and the humidity drops below 40% simultaneously.
Unit 3: Network & Communication Aspects in IoT
- Explain the network and communication aspects in IoT. What are the roles of the network for IoT deployment in various devices?
- Explain the MQTT Protocol with an example. What is the role of the MQTT protocol in IoT?
- What is the IEEE 802.15.4 protocol, and how is it related to IoT?
- What is a Wireless Sensor Network (WSN) architecture? What are WSN nodes?
- Explain Sensor Deployment and Node Discovery in IoT systems.
- What are the wireless medium access issues in IoT networks?
- What do you mean by the term "MAC Protocol"? Explain MAC protocols for IoT and provide a MAC protocol survey.
- Explain routing protocols in an IoT network along with their types and survey.
- What is Data Aggregation and Dissemination in IoT networks? Why is it important, and what are its performance measures? Explain with an example.
- Explain the various parts and anatomy of the Arduino Platform Board. Name two Arduino board names.
- What is the Arduino IDE platform? Write down the steps to import libraries into the Arduino IDE and explain how programming is done for various applications.
- What is coding? Using an emulator and libraries, explain how addition and multiplication operations are performed.
- Explain the various security issues in IoT Boards.
Unit 4: Challenges in IoT Design
- What are the different design and development challenges faced while designing IoT systems?
- Discuss the different security challenges in IoT.
- Discuss the various IoT applications. Name a few applications of IoT along with their specific challenges.
- Explain how data is communicated with hardware units in IoT design.
- Compare different IoT hardware and explain the key features of mobiles and tablets.
- Explain the application of IoT in home automation systems. What are the components, communication media, and necessary steps required for making a smart building?
- Explain the application of IoT in smart cities. Detail the designing of a smart street light system.
- Explain the application of IoT in smart metering and automotive applications.
- What are the benefits and applications of IoT in e-Health systems?
General / Miscellaneous
- What is Zigbee?
- What is ESP8266?
- Explain the "Two Pillars of the Web".
- Explain it with necessary steps and diagrams.
