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IOT MCQ Test Paper


1. What is the full form of IoT?

A. Internet of Technology

B. Incorporate of Things

C. Internet of Things

D. Incorporate of Technology

Answer: C

2. How many numbers of the element in the open IoT architecture?

A. Four elements

B. Five elements

C. Six elements

D. Seven elements

Answer: D

3. Which network is used by a sensor?

A. PAN and LAN

B. PAN and HAN

C. HAN and LAN

D. HAN, PAN, and LAN

Answer: D

4. What is the full form of IANA?

A. Internal Assessment Numerical Access

B. Internet Association Numbers Authority

C. International Aid For Network Automation

D. Internet Assigned Numbers Authority

Answer: - D

5. A Gateway software must be smart enough so that it can handle _____________.


A. Sensors

B. Logging

C. Message

D. GPS

Answer: B

6. Which of the following is the way in which an IoT device is associated with data?

  1. Internet

  2. Cloud

  3. Automata

  4. Network

Answer: B

7. Identify the java extension file in IoT.

A. .c

B. .py

C. .exe

D. .jar

Answer: D

8. The standard length of the MAC address is

A. 16 bits

B. 48 bits

C. 32 bits

D. 8 bits

Answer: B

9. What is IoT ?

A. network of physical objects embedded with sensors

B. network of virtual objects

C. network of objects in the ring structure

D. network of sensor

Answer: A

10. Which are the main components in IOT?

A. Low power embedded systems

B. Cloud computing

C. Availability of big data, networking connection

D. All of the above

Answer: D

11. Which of the following IoT networks has a very short range?

A. Short Network

B. LPWAN

C. SigFox

D. Short-range Wireless Network

Answer: D

12. MAC addresses is used in the form of ……………………..

A. IP addresses

B. Network address

C. Burned in address

D. Hardware address

Answer: B

13. Which is not below an IoT device?


A. Smartwatch

B. Andriod Phone

C. Laptop

D. Tubelight

Answer: D

14. The bit length of the IPV6 is ……..

A. 8 bits

B. 16 bits

C. 32 bits

D. 128 bits

Answer: D

15. Which sensor detects the presence of an object?

A. temperature sensor

B. proximity sensor

C. pressure sensor

D. light sensor

Answer: B

16. Which device is also called as photodetector?

A. IR sensor

B. presure sensor

C. light sensor

D. ultrasonic sensor

Answer: C



17. When was the actual term “Internet of Things” coined?

A. 1998

B. 1999

C. 2000

D. 2002

Answer: B

18. An IoT network is a collection of ………….devices.

A. Signal

B. Machine to Machine

C. Interconnected

D. Network to Network

Answer: C

19. The address of the original IEEE 802 MAC comes from………………………….

A. Http

B. Ethernet address

C. IP address

D. MAC address

Answer: B

20. The IPV4 has a …………………….. notation for addressing

A. Dotted decimals

B. Hexadecimal

C. Both a and b

D. None of the above

Answer: A

21. Which of the following is not an IoT platform?

A. Amazon Web Services

B. Microsoft Azure

C. Salesforce

D. Flipkart

Answer: D

22. What is the main purpose of WoT (Web of Things) in the IoT?

A. Improve the usability and interoperability

B. Reduce the security

C. Complex the development

D. Increase the cost

Answer: A

23. What is the Arduino UNO?

A. Software

B. Hardware device

C. Network

D. Protocol

Answer: B

24. Gateway provides the connection between ………..and ……..

A. Controller and device

B. Network and Controller

C. Network and Cloud

D. Cloud and Controller

Answer: D

25. ……….allows the user to control electronic components.

A. Android API

B. RETful API

C. MQTT API

D. CoAP API

Answer: B

26. IRC is an abbreviation for……………

A. Interconnect Reduce Chat

B. Internet Relay Chat

C. Interconnection Relay Chat

D. Internet Reduce Chat

Answer: B

27. What is the standard form of RFID?

A. Radio Frequency Identification

B. Radio Waves Frequency Identification

C. Radio Frequency InterDependent

D. Radio Wave Frequency Independent

Answer: A

28. The MQTT protocol designed for………………..

A. Limited bandwidth

B. Remote connection

C. Small code footprint

D. All of the above

Answer. D

29. MQTT is ………………..protocol.

A. Machine to Machine

B. Internet of Things

C. Machine to Machine and IOT

D. Machine Things

Answer: C

30. Which protocol is used to link all the devices in the IoT?

A. TCP/IP

B. Network

C. UDP

D. HTTP

Answer: A

31. Which is not a fundamental component of an IoT system?

A. Sensors

B. Connectivity and data processing

C. User interface

D. Transformer

Answer: D

32. Which of the following allows to monitor the application

A. boot

B. hypermedia

C. actuators

D. endpoints

Answer: D

33. In which terms in resolution expressed?

A. bits

B. bytes

C. nibble

D. word

Answer: A

34. What is the role of Big Data in IoT's Smart Grid architecture?

A. Filter the data

B. Locked the data

C. Store data

D. None of the Above

Answer: C

35. The Network layer protocol is present in the………………………………..

A. Bridges

B. Packets

C. Switches

D. Host

Answer: D

36. What is mandatory for an IP Packet to contain?

A. Destination IP Address

B. Source IP Address

C. Both A and B

D. None of these

Answer: C

37. An IoT network is?

A. a collection of networked devices

B. a collection of Interconnected devices

C. a collection of signalled devices

D. None of the above

Answer: B

38. For version 1.2, the Bluetooth supports……………………….

A. 1 Mbps data rate

B. 2 Mbps data rate

C. 3 Mbps data rate

D. 4 Mbps data rate

Answer. A

39. Z wave operate on the low frequency speed

A. 908.42 band

B. 250 band

C. 1080 band

D. 1024.00 band

Answer: A



40. SLA stands for…………………………………..

A. System Local area

B. Service local area

C. system level argument

D. Service Level argument

Answer: D

41. What is the real example of a smart grid device in IoT?

A. Mobile phone

B. Television

C. Smart Speaker

D. Smart Meters

Answer: D

42. Which layer is used for wireless connection in IoT devices?

A. Application layer

B. Network layer

C. Data link layer

D. Transport layer

Answer: C

43. What is the proposed “white Space” radio standard called?

A. Bluetooth

B. WiMax

C. Weightless

D. Zigbee

Answer : C

44. Which is used to capture data from the physical world in IoT devices?

A. Sensors

B. Actuators

C. Microprocessors

D. Microcontrollers

Answer: A

45. ICT stands?

A. InterConnect Technology

B. Internet Connection Topology

C. Information and Communication Technology

D. Infer Communication Topology

Answer: C

46. What is the sensor/protocol used in GSN?

A. HTTP protocol

B. CoAP protocol

C. MQTT protocol

D. XMPP protocol

Answer: B

47. What is ESP8266?

A. WIFI module

B. Sensor

C. Board

D. USB cable

Answer: A

48. Monnit temperature sensor is used for?

A. Accurate results

B. To measure the temperature at high degree

C. Temperature sensor

D. None of Above

Answer: A

49. Which is not a sensor in IoT?

A. BMP280

B. DHT11

C. Photoresistor

D. LED

Answer: D

50. IANA stands for?

A. Inter-Assessment-Number-Access

B. Internet-Association-Numbers-Authority

C. International-Aid-for-Network-Authority

D. Internet-Assigned-Numbers-Authority

Answer: D

51. The………………. filtering is a security measure on various wireless networks:

A. IP

B. OUI

C. MAC

D. NIC

Answer: C

52. Electric motor protection has which sensor?

A. Pressure sensor

B. Touch sensor

C. Temperature sensor

D. Humidity sensor

Answer: C

53. The use of PWM signals in IoT development boards is?

A. They are used by sensors to have analog input

B. They are used by sensors to have digital input

C. They are used by actuators to have analog input

D. They are used by sensor to have digital input

Answer: C

54. What is the standard port number of secure MQTT?


A. 1883

B. 8000

C. 8883

D. 8888

Answer: C

55. Which type of interface is used by fingerprint sensors to collect data?

A. IPI interface

B. UART interface

C. I2P interface

D. None

Answer: B

56. The Z-waves uses radiofrequency for………………..

A. Control

B. Signalling

C. Both A and B

D. None of the above

Ans. C

57. The NFC used in…………………….

A. Parcel tracking

B. Low power home automation

C. Smart phone-based payments