Sample MCQs.pdf

1. Which of the following best defines the Internet of Things (IoT)? A) A network of interconnected computers B) The integration of physical devices with internet connectivity, enabling them to collect and exchange data C) A protocol for secure communication between devices D) A programming lang...

1. Which of the following best defines the Internet of Things (IoT)? A) A network of interconnected computers B) The integration of physical devices with internet connectivity, enabling them to collect and exchange data C) A protocol for secure communication between devices D) A programming language for IoT development 2. Which components are essential for building an IoT system? A) Sensors, actuators, and servers B) Routers, switches, and modems C) Software, hardware, and firmware D) Batteries, transistors, and capacitors 3. Sensors are devices used in IoT systems to: A) Convert physical quantities into digital signals B) Transmit data over the internet C) Store data in the cloud D) Process data received from other devices 4. Actuators in IoT systems are responsible for: A) Sensing environmental changes B) Storing and processing data C) Executing physical actions based on received instructions D) Establishing communication with other devices 5. Which architectural view represents the logical structure of an IoT system? A) Physical view B) Communication view C) Functional view D) Security view 6. What is M2M communication in the context of IoT? A) Machine-to-Machine communication, where devices exchange data directly without human intervention B) Machine-to-Modem communication, where devices connect to a central modem for data transmission C) Mobile-to-Mobile communication, where smartphones exchange data using cellular networks D) Multimedia-to-Multimedia communication, where various media devices share content wirelessly 7. Which of the following is an example of an IoT device? A) Laptop computer B) Smart refrigerator C) Desktop printer D) Landline telephone 8. Which communication technology is commonly used in IoT for short-range wireless communication? A) 3G B) Bluetooth C) Satellite D) WiMAX 9. IoT deployment templates include: A) Centralized, Decentralized, and Distributed B) Localized, Regional, and Global C) Simplex, Duplex, and Half-Duplex D) Synchronous, Asynchronous, and Isochronous 10. What are the different levels of IoT deployment? A) Edge, Fog, and Cloud B) Basic, Intermediate, and Advanced C) Tier 1, Tier 2, and Tier 3 D) Intranet, Extranet, and Internet 11. Which of the following is a key design principle for web connectivity in IoT? A) Isolation B) Centralization C) Integration D) Complexity 12. What does SOAP stand for in the context of web communication protocols for connected devices? A) Simple Object Access Protocol B) Service-Oriented Application Protocol C) Secure Online Authentication Protocol D) Systematic Object Application Protocol 13. Which communication protocol is commonly associated with Representational State Transfer (REST)? A) SOAP B) FTP C) HTTP D) Telnet 14. In IoT, what does IP addressing primarily facilitate? A) Device identification and communication over networks B) Physical device assembly C) Device manufacturing process D) Device power management 15. What does MAC stand for in "Media Access Control" in IoT? A) Machine-Access Control B) Mobile-Access Control C) Media-Access Control D) Multi-Access Control 16. Which application layer protocol is primarily used for secure data transmission over the internet? A) HTTP B) HTTPS C) FTP D) Telnet 17. Which of the following is NOT a web communication protocol for connected devices? A) HTTP B) MQTT C) SOAP D) SMTP 18. What is the main purpose of a gateway in a web connectivity setup for connected devices? A) To restrict internet access B) To facilitate communication between devices with different protocols C) To provide security patches D) To increase network speed 19. Which protocol is commonly used for real-time bidirectional communication between web clients and servers? A) HTTP B) FTP C) Telnet D) Web Sockets 20. What does FTP stand for in the context of application layer protocols? A) File Transfer Protocol B) File Transport Protocol C) Fast Transmission Protocol D) Flexible Transfer Protocol 21. Which of the following is NOT a message communication protocol for connected devices? A) MQTT B) CoAP C) HTTP D) Telnet 22. What is the primary function of HTTP in web communication? A) Secure data transmission B) Real-time bidirectional communication C) Hypertext transfer D) File transfer 23. Which of the following protocols is commonly used for secure remote access to devices over the internet? A) HTTP B) HTTPS C) Telnet D) FTP 24. What is the role of HTTPS in web communication? A) To transfer hypertext data B) To provide secure encrypted communication C) To facilitate file transfer D) To establish real-time communication 25. Which layer of the OSI model does HTTP primarily operate on? A) Application layer B) Transport layer C) Network layer D) Data link layer 26. Which protocol is primarily used for transferring files over a network? A) HTTP B) FTP C) Telnet D) MQTT 27. In the context of IoT, what does Telnet primarily facilitate? A) Secure file transfer B) Remote device access C) Real-time communication D) Data encryption 28. Which protocol is commonly used for email communication? A) HTTP B) SMTP C) FTP D) Telnet 29. Which of the following is NOT a key internet connectivity principle? A) Reliability B) Scalability C) Security D) Incompatibility 30. What is the primary purpose of using Web Sockets in web communication for connected devices? A) To establish a secure connection B) To enable real-time bidirectional communication C) To transfer large files efficiently D) To facilitate email communication 31. What distinguishes the Web of Things (WoT) from the Internet of Things (IoT)? A) WoT focuses on physical devices, while IoT focuses on virtual devices. B) WoT emphasizes web standards for device interaction, while IoT does not. C) WoT operates solely in cloud environments, while IoT operates on physical servers. D) WoT devices are connected through browsers, while IoT devices are not. 32. Which two pillars form the foundation of the Web of Things architecture? A) Servers and protocols B) Middleware and cloud services C) Standardization and interoperability D) Security and privacy 33. What is the primary focus of standardization efforts in the Web of Things? A) Establishing common protocols for device communication B) Developing proprietary technologies for individual vendors C) Creating closed ecosystems to limit interoperability D) Ignoring standardization in favor of flexibility 34. Which term refers to the software layer that enables communication between devices and applications in the Web of Things? A) Middleware B) Platform C) API D) Protocol 35. In the Cloud of Things paradigm, where are IoT services primarily hosted? A) On physical servers B) On IoT devices themselves C) In virtualized cloud environments D) On edge computing nodes 36. What distinguishes Cloud Offerings in IoT from traditional hosting services? A) Cloud Offerings provide specialized APIs for IoT device management. B) Cloud Offerings are limited to specific industries such as healthcare and manufacturing. C) Cloud Offerings do not utilize virtualization technologies. D) Cloud Offerings do not involve data storage. 37. Which of the following best describes the role of physical servers in IoT? A) Physical servers host IoT platforms and middleware. B) Physical servers are unnecessary in IoT due to cloud computing. C) Physical servers only handle data storage in IoT. D) Physical servers are responsible for device-to-device communication in IoT. 38. What distinguishes the Web of Things from traditional IoT architectures? A) Web of Things relies solely on cloud-based services. B) Web of Things emphasizes the use of web standards and protocols. C) Web of Things devices do not require internet connectivity. D) Web of Things operates exclusively on proprietary platforms. 39. Which of the following is a key characteristic of Cloud of Things environments? A) Limited scalability B) Decentralized data processing C) Heavy reliance on physical infrastructure D) Integration of IoT devices with cloud-based services 40. What role does middleware play in the Web of Things architecture? A) Middleware ensures compatibility between different cloud platforms. B) Middleware provides a bridge between IoT devices and web applications. C) Middleware handles data storage and retrieval for IoT devices. D) Middleware is responsible for securing IoT device communications. 41. What does IoT stand for? A) Internet of Technology B) Internet of Things C) Information of Technology D) Information of Things 42. Which of the following is not considered a component of IoT systems? A) Sensors B) Actuators C) Servers D) Routers 43. Sensors in IoT systems are primarily responsible for: A) Executing actions based on received instructions B) Storing data in the cloud C) Collecting data from the environment D) Establishing communication with other devices 44. Actuators in IoT systems are responsible for: A) Sensing environmental changes B) Storing and processing data C) Executing physical actions based on received instructions D) Transmitting data over the internet 45. Which of the following is an example of an IoT device? A) Microwave oven B) Bicycle C) Television D) Smart thermostat 46. IoT architectural view primarily focuses on: A) Physical structure of devices B) Logical structure of the system C) Power consumption of devices D) Manufacturing process of devices 47. Which of the following is not considered a source of IoT data? A) Sensors B) Social media C) Actuators D) Mobile phones 48. M2M communication stands for: A) Man to Man communication B) Mobile to Mobile communication C) Machine to Machine communication D) Media to Media communication 49. Which of the following is an example of IoT application in healthcare? A) Smart agriculture B) Intelligent transportation systems C) Remote patient monitoring D) Smart grid management 50. Which communication technology is commonly used in short-range wireless IoT devices? A) WiMAX B) Bluetooth C) 4G LTE D) Satellite 51. What are the different levels of IoT deployment? A) Edge, Fog, and Cloud B) Basic, Intermediate, and Advanced C) Tier 1, Tier 2, and Tier 3 D) Intranet, Extranet, and Internet 52. What is the primary purpose of IoT deployment templates? A) To restrict device communication B) To ensure interoperability between devices C) To limit scalability of IoT systems D) To increase complexity of IoT networks 53. Which of the following is an example of IoT application in agriculture? A) Smart home automation B) Smart city traffic management C) Soil moisture monitoring D) Industrial automation 54. Which communication technology is commonly used for long-range IoT applications? A) Bluetooth B) Zigbee C) LoRaWAN D) NFC 55. What is the purpose of actuators in an IoT system? A) To sense environmental data B) To process data collected by sensors C) To execute physical actions based on received instructions D) To establish communication with other devices 56. Which of the following is not a commonly used sensor in IoT applications? A) Temperature sensor B) Pressure sensor C) GPS sensor D) Microphone sensor 57. What does "IoT" refer to? A) Integration of Technology B) Interconnected Technology C) Internet of Things D) Information of Things 58. Which communication technology is commonly used for IoT applications requiring low power consumption and long battery life? A) Wi-Fi B) Bluetooth C) Zigbee D) NFC 59. Which of the following is not a component of IoT building blocks? A) Sensors B) Actuators C) Routers D) Servers 60. What does "M2M" stand for in the context of IoT communication? A) Man-to-Man B) Machine-to-Machine C) Mobile-to-Mobile D) Multi-to-Multi 61. IEEE802.3 is referred as A) WiFi B) Ethernet C) Bluetooth D) Zigbee 62. In IoT, AMQP stands for A) Advanced Micro Queuing Protocol B) Advanced Message Queuing Protocol C) Advanced Message Queuing Principle D) Adaptive Message Queuing Protocol 63. The major threat to IoT Device is A) Network B) Data Security C) Data loss D) cost 64. In MQTT transmission happens through A) Publisher B) Broker C) Receiver D) Token 65. Compared to TCP and UDP A) TCP is lighter than UDP B) UDP is lighter than TCP C) Both are same D) Non comparable