Internet of Things: A Comprehensive Guide for Year 12 ICT Students

Question 1

Which of the following is NOT a recognized advantage of the Internet of Things (IoT)?

Accepted Answer

Improved cybersecurity and privacy

Answer

Increased efficiency and automation

Answer

Enhanced user experience and convenience

Answer

Reduced environmental footprint

Question 2

Which component is crucial for the operation of the Internet of Things (IoT)?

Accepted Answer

Cloud computing

Answer

Artificial intelligence (AI)

Answer

Blockchain technology

Answer

Virtual reality (VR)

Question 3

What is the primary objective of data collection in IoT applications?

Accepted Answer

Both (b) and (c)

Answer

To monitor and control devices effectively

Answer

To enhance decision-making by providing valuable insights

Answer

To gain a comprehensive understanding of user behavior

Question 4

Which of the following is a key characteristic of the Internet of Things (IoT)?

Accepted Answer

Interconnection of devices through networks

Answer

Centralized operation and control

Answer

Limited data collection and analysis

Answer

Manual control and monitoring

Question 5

What is the primary function of sensors in IoT devices?

Accepted Answer

Collecting data on physical parameters such as temperature and motion

Answer

Processing and analyzing collected data to extract insights

Answer

Transmitting data to remote systems for storage and analysis

Answer

Controlling and actuating connected devices based on collected data

Question 6

Which of the following is a fundamental component of the Internet of Things (IoT)?

Accepted Answer

Connected devices that collect and transmit data

Answer

Centralized data storage and processing systems

Answer

Sophisticated artificial intelligence algorithms

Answer

Advanced user interfaces for interacting with IoT systems

Question 7

Which of the following is NOT a key element in the IoT architecture?

Accepted Answer

Traditional user interfaces for interacting with IoT systems

Answer

Sensors and actuators for data collection and control

Answer

Network connectivity for communication between devices and systems

Answer

Data storage for managing and analyzing collected data

Question 8

What is the primary purpose of a data dashboard in an IoT system?

Accepted Answer

Visualizing and analyzing data collected from IoT devices

Answer

Controlling and managing the connected devices remotely

Answer

Creating and managing user accounts for system access

Answer

Providing technical support and troubleshooting assistance

Question 9

What is the term for the process of connecting devices and data in IoT systems?

Accepted Answer

Integration

Answer

Interoperability

Answer

Standardization

Answer

Convergence

Question 10

Describe the sequential steps in the process of collecting and analyzing data from IoT devices.

Accepted Answer

Collect, Process, Store, Analyze

Answer

Configure, Send, Receive, Analyze

Answer

Deploy, Maintain, Visualize, Report

Answer

Store, Process, Analyze, Visualize

Question 11

What is the primary purpose of data collection in IoT systems?

Accepted Answer

To monitor and analyze system performance

Answer

To enhance device functionality

Answer

To connect devices to the internet

Answer

To create personalized user experiences

Question 12

Which of the following is an example of an IoT application in healthcare?

Accepted Answer

Remote patient monitoring

Answer

Smart home lighting

Answer

Industrial automation

Answer

Traffic management

Question 13

Which protocol is commonly used for communication in IoT systems?

Accepted Answer

MQTT

Answer

HTTP

Answer

Bluetooth

Answer

TCP/IP

Question 14

Which of the following is NOT a characteristic of the Internet of Things (IoT)?

Accepted Answer

Support for legacy systems

Answer

Connectivity of devices

Answer

Data collection and analysis

Answer

Remote control and monitoring

Question 15

How can the Internet of Things (IoT) contribute to sustainable practices and potentially impact environmental conservation efforts?

Accepted Answer

IoT can enhance energy efficiency through smart home systems that optimize energy usage.

Accepted Answer

IoT can enable improved waste management with real-time data analytics.

Answer

IoT can lead to accelerated deforestation due to increased demand for resources.

Question 16

What is the primary role of gateways in IoT networks?

Accepted Answer

To facilitate communication between different devices and networks

Answer

To provide secure data transmission and encryption

Answer

To process and analyze data

Answer

To manage the network infrastructure and device connectivity

Question 17

What is the name of the decentralized and distributed ledger technology used in blockchain-enabled IoT applications?

Accepted Answer

Blockchain

Answer

Distributed network

Answer

Encryption algorithm

Answer

Smart contract

Question 18

Which of the following is NOT a benefit of using cloud computing in IoT systems?

Accepted Answer

Complex device management and maintenance

Answer

Scalability and flexibility

Answer

Reduced costs and operational efficiency

Answer

Enhanced data security and protection

Question 19

Which of the following is NOT a characteristic of Internet of Things (IoT) devices?

Accepted Answer

Centralized processing

Answer

Connectivity

Answer

Data collection

Answer

Sensing capabilities

Question 20

What is the primary purpose of data collection in IoT systems?

Accepted Answer

To enable data analytics and insights

Answer

To improve device performance

Answer

To facilitate communication between devices

Answer

To ensure data security

Question 21

What is the key difference between IoT and traditional computer networks?

Accepted Answer

The presence of physical devices connected to the network

Answer

The emphasis on data collection and analysis in IoT

Answer

The use of wireless communication technologies in IoT

Answer

The type of applications supported by IoT, focusing on real-world data

Question 22

Which of the following is NOT a key characteristic of the Internet of Things (IoT)?

Accepted Answer

Centralized control

Answer

Device connectivity

Answer

Data collection and analysis

Answer

Ubiquitous computing

Question 23

What is the primary purpose of data collection in IoT systems?

Accepted Answer

To provide insights and support decision-making

Answer

To enable device communication

Answer

To improve system performance

Answer

To monitor user behavior

Question 24

Which of the following protocols is specifically designed for communication between IoT devices?

Accepted Answer

MQTT

Answer

HTTP

Answer

SSL

Answer

Bluetooth

Question 25

Which of the following accurately describes the primary characteristics of IoT devices?

Accepted Answer

Limited processing abilities, low power consumption, and connectivity to cloud platforms

Answer

Ability to process large amounts of data, high power consumption, and non-networked operation

Answer

Unlimited processing capabilities, low power consumption, and connectivity to cloud platforms

Answer

Ability to process moderate amounts of data, high power consumption, and non-networked operation

Question 26

In IoT systems, what is the primary function of sensors?

Accepted Answer

Collecting data from the physical environment

Answer

Processing and analyzing collected data

Answer

Communicating data to cloud platforms for storage

Answer

Storing data for future retrieval and analysis

Question 27

Which of the following is NOT a crucial component of an IoT ecosystem?

Accepted Answer

Dedicated servers for IoT applications

Answer

Devices that collect and transmit data

Answer

Connectivity infrastructure to enable communication

Answer

Cloud platforms for data storage and processing

Question 28

What is the primary purpose of utilizing actuators in IoT systems?

Accepted Answer

Responding to events and controlling physical devices

Answer

Collecting data from sensors and other IoT devices

Answer

Processing and analyzing data to generate insights

Answer

Storing data for future retrieval and analysis

Question 29

What is the primary objective of data collection in IoT systems?

Accepted Answer

To identify patterns and insights

Answer

To enhance device performance

Answer

To improve user experience

Answer

To facilitate remote control

Question 30

Which of the following is a type of IoT sensor specifically designed to measure temperature?

Accepted Answer

Thermocouple

Answer

Photodiode

Answer

Accelerometer

Answer

Proximity sensor

Question 31

What is the primary purpose of data collection in IoT applications?

Accepted Answer

To gain insights into user behavior and improve services

Answer

To improve device performance

Answer

To facilitate communication between devices

Answer

To reduce energy consumption

Question 32

What is the key difference between a sensor and an actuator in the context of IoT?

Accepted Answer

Sensors collect data while actuators respond to commands

Answer

Sensors respond to commands while actuators collect data

Answer

Both sensors and actuators can collect data

Answer

Both sensors and actuators can respond to commands

Question 33

Which IoT application is specifically designed to improve public safety and emergency response?

Accepted Answer

Sensor networks that detect hazards, issue early warnings, and facilitate coordination among responders.

Answer

Smart homes that monitor environmental conditions and provide real-time data.

Answer

Self-driving cars that can navigate hazardous areas and evacuate civilians.

Answer

Wearable devices that track vital signs and provide location information.

Question 34

Which of the following is **not** a type of sensor commonly used in IoT applications?

Accepted Answer

Solar panel

Answer

Temperature sensor

Answer

Motion sensor

Answer

Humidity sensor

Question 35

What is a primary challenge associated with IoT devices?

Accepted Answer

Security vulnerabilities

Answer

High power consumption

Answer

Slow data processing

Answer

Expensive hardware

Question 36

Which of the following is an example of an IoT application in the healthcare industry?

Accepted Answer

Remote patient monitoring

Answer

Smart home lighting

Answer

Predictive maintenance

Answer

Traffic management

Question 37

What is the primary purpose of the Internet of Things (IoT)?

Accepted Answer

To connect physical devices to the internet

Answer

To automate tasks and processes

Answer

To improve communication between devices

Answer

To enhance data security

Question 38

What is the significance of data analytics in the context of IoT?

Accepted Answer

It enables businesses to gain insights from IoT data

Answer

It helps to optimize IoT device performance

Answer

It supports secure data transmission

Answer

It reduces the need for human intervention

Question 39

In an IoT system, what is the primary function of a gateway?

Accepted Answer

Connecting devices to a network

Answer

Analyzing and filtering data collected from devices

Answer

Storing and managing data in a central location

Answer

Providing a user interface for interacting with the system

Question 40

Which of the following is a defining characteristic of the Internet of Things (IoT)?

Accepted Answer

Interconnectivity of diverse devices

Answer

Centralized data storage architecture

Answer

Limited range of connectivity

Answer

Standardized operating systems for all devices

Question 41

Which of the following is NOT a potential benefit of IoT in the transportation sector?

Accepted Answer

Increased vehicle breakdowns due to increased complexity

Answer

Improved traffic flow management

Answer

Reduced fuel consumption through optimized routes

Answer

Real-time information availability for passengers

Question 42

Which wireless technology is commonly used for short-range communication in IoT devices?

Accepted Answer

Bluetooth for close proximity connections

Answer

Wi-Fi for longer range wireless connectivity

Answer

Cellular networks for wide-area coverage

Answer

Satellite communication for remote locations

Question 43

What is the primary ethical consideration that arises from the use of IoT devices to collect personal data?

Accepted Answer

Privacy and data protection concerns

Answer

Potential job displacement due to automation

Answer

Environmental impact of IoT device production and disposal

Answer

Social inequality resulting from differential access to IoT benefits

Question 44

What is the core concept of the Internet of Things (IoT)?

Accepted Answer

A network of connected physical devices accessible via the Internet

Answer

A system for remotely controlling and monitoring devices

Answer

A collection of protocols for data exchange between devices

Answer

A cloud-based platform for managing connected devices

Question 45

What is the primary purpose of data collection in IoT systems?

Accepted Answer

Providing insights for informed decision-making

Answer

Monitoring and analyzing device behaviour

Answer

Enabling remote control of connected devices

Answer

Improving the overall efficiency of devices

Question 46

Which protocol is commonly used in IoT communication?

Accepted Answer

MQTT (Message Queuing Telemetry Transport)

Answer

HTTP (Hypertext Transfer Protocol)

Answer

TCP/IP (Transmission Control Protocol/Internet Protocol)

Answer

Bluetooth

Question 47

Which of the following is NOT a characteristic of IoT devices?

Accepted Answer

Advanced artificial intelligence capabilities

Answer

Internet connectivity

Answer

Limited computing capabilities

Answer

Data sensing and gathering

Question 48

What is a primary security challenge posed by IoT?

Accepted Answer

The diversity of IoT devices

Answer

Limited device resources

Answer

Unreliable network connectivity

Answer

Insufficient data encryption

Question 49

What is the main distinction between IoT and a sensor network?

Accepted Answer

IoT devices connect to the Internet, while sensor networks do not

Answer

IoT devices have limited processing power, while sensor networks do not

Answer

IoT devices are used for data collection, while sensor networks are used for data analysis

Answer

IoT devices are typically used in consumer applications, while sensor networks are used in industrial applications

Question 50

Which of the following is a fundamental attribute of the Internet of Things (IoT)?

Accepted Answer

Connectivity among devices and sensors

Answer

Emphasis on data storage and cloud-based technologies

Answer

Exclusively limited to industrial applications

Answer

Neglect of security considerations

Question 51

Which IoT device category typically encompasses home appliances and lighting systems?

Accepted Answer

Smart home devices

Answer

Wearable devices

Answer

Industrial sensors

Answer

Medical devices

Question 52

Which protocol is commonly used for data exchange between IoT devices?

Accepted Answer

MQTT

Answer

HTTP

Answer

TCP/IP

Answer

Wi-Fi

Question 53

Which of the following is NOT a critical component of IoT data analytics?

Accepted Answer

Manual data entry

Answer

Data gathering and preparation

Answer

Data visualization

Answer

Predictive modeling