Internet of Things (IoT) MCQs with Answers

Last updated by Naina Batra on Aug 30, 2024 at 04:28 PM | Reading time: 15 minutes

IoT Multiple Choice Questions

Q1. Which of the following is more powerful?

Raspberry pi 2 model
Raspberry pi model
Galileo gen 2 board
Raspberry pi 3 model

Answer: D. Raspberry pi 3 model

Q2.________ is responsible for the integration of LoWPAN devices with internet leveraging.

ieft nfc
ietf 6lowpan
ieft/nfc
rfid/nfc

Answer: B. ietf 6lowpan

Q3.__________ is responsible for saving the arguments received in three attributes

_init_
init_
_init
(init)

Answer: A. _init_

Q4. Which of the following is the core wrapper of GSN?

UDP
UTP
ZeroMQWrapper
GPS

Answer: C. ZeroMQWrapper

Q5. Not only does API architecture include critical elements but also involve multiple _________

Devices
Network
System
Multi-homing

Answer: D. Multi-homing

Q6. What type of technology is IoT based on?

Hardware
Software
Firmware
Both A and B

Answer: D. Both A and B

Q7. What is the extension of the JAVA file in IoT?

.exe
.cps
.jar
.docx

Answer: C. .jar is used in IoT as an extension of the JAVA file in IoT

Q8. SPI protocol consists of ________ signals.

4
5
7
9

Answer: B. Five signals

Q9. The range of z-wave is _______

10 to 70 m
30 to 100 m
Less than 10 m
100 to 1000 M

Answer: B. 30 to 100 m

Q10. GSN works on __________ programming languages.

JAVA
C++
Python
BASIC

Answer: A. JAVA

Q11. Which of the following are communication protocols for IoT?

Z-Wave
Zigbee
Both A and B are correct
None of the above

Answer: C. Both A and B are correct

Q12. client() class is provided to create _____

Data
Batch
Hardware
Methods

Answer: D. Methods

Q13. ______network is used by a sensor

han and lan
lan and pan
Han and pan
lan, han, pan

Answer: D. lan, han, pan

Q14. HART full form is:

High Addressable Reduce Transport
Highway Addressable Remote Transducer
Highway Application Remote Transport
Hard Application Remote Transducer

Answer: B. Highway Addressable Remote Transducer

Q15. Which layer helps in end-to-end communication of IoT?

Data security
Logical
Transport
None of the above

Answer: C. Transport

Q16. Which of the following is the security mechanism in Wifi?

HTTP
DOCX
PDF
WPA

Answer: D. WPA

Q17. IoT uses__________

Satellite
Cable
Radio identification technology
Broadband

Answer: C. Radio identification technology

Q18. _______ is a type of google.com

TCP
UDP
UTP
DNS

Answer: D. DNS

Q19. What is the standard length of a MAC address?

16 bits
8 bits
32 bits
48 bits

Answer: D. 48 bits is the standard length of a MAC address.

If your self-assessment is going good, you can watch the embedded video below that offers insights into how our mentors equip you for interviews on Embedded systems and Embedded Software Engineering.

These types of questions are often asked in companies like Google, Meta, Amazon, Apple and other top-tier companies.

Q20. The core element operates _________

PaaS
Saas
IoT service provider
SNP

Answer: C. IoT service provider

Q21. What is the maximum speed of Z-Wave?

50 kbps
100 kbps
500 kbps
150 Mbps

Answer: B. 100 kbps

Q22. ________ many addresses are possible in IPv4

2^64
2^16
2^32
2^20

Answer: A. 2^64

Q23. LPWAN stands for:

Lower Power Width Area Network
Lower Protocol of Wide Area Network
Low Power Wide Area Network
None of the above

Answer: C. Low Power Wide Area Network

Q24. _______ is a short-range wireless network

Hotspot
Bluetooth
Wifi
VPN

Answer: D. VPN

Q25. What is I2C also called?

One wire interface
Two-wire interface
Both of the above
None of the above

Answer: B. Two-wire interface

Q26. _________community works together to establish an IoT architecture.

bot 2 bot
red hat
eclipse iot
intercloud

Answer: C. eclipse iot

Q27. __________ of data cannot be read by users.

Passwords
Encryption
Passcode
Both A and C are correct

Answer: B. Encryption

Q28. ZigBee Smart Energy uses _______ topology.

Bus topology
Table topology
Circle topology
Star topology

Answer: D. Star topology

Q29. Which of the following is not an IoT enabler?

RFID
Nanotechnology
HTTP
Sensors

Answer: C. HTTP

Q30. Which of the following allows the control of electronic components?

http
mqtt
restful api
None of the above

Answer: B. mqtt

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Manager, Content Marketing

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Internet of Things (IoT) MCQs with Answers

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What is OpenAI? Everything You Need to Know

Mock Interviews for Generative AI: Essential Practice to Land Top AI Roles

Top Python Scripting Interview Questions and Answers You Should Practice

Complex SQL Interview Questions for Interview Preparation

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