Q1
Q1 What is the primary goal of IoT?
To enhance global internet speed
To network physical devices
To increase smartphone usage
To improve social media platforms
Q2
Q2 Which of the following is a common application of IoT technology?
Automated email systems
Voice-activated shopping
Smart homes
Text messaging
Q3
Q3 IoT devices typically communicate through which of the following methods?
Human intervention
Direct cable connections
Internet protocols
Sound waves
Q4
Q4 What role do sensors play in IoT devices?
Providing a user interface
Storing data
Converting physical parameters into digital data
Encrypting data
Q5
Q5 In the context of IoT, what is "edge computing"?
Computing done on a central server
Computing done on the edge of the network
Computing done in the cloud
Computing done on smartphones
Q6
Q6 Which protocol is commonly used for secure IoT device communication?
HTTP
MQTT
FTP
HTTPS
Q7
Q7 How does IoT contribute to big data?
By reducing the amount of data generated
By generating high-volume, high-velocity data
By encrypting data
By decreasing data storage needs
Q8
Q8 Which statement is true about the publish/subscribe model in IoT communication?
It requires devices to communicate directly with each other
It is not scalable
It is primarily used for one-to-one communication
It allows devices to send and receive messages based on topics
Q9
Q9 What is the function of a Gateway in IoT networks?
To increase the range of Wi-Fi signals
To convert between different communication protocols
To store data from IoT devices
To generate power for IoT devices
Q10
Q10 An IoT sensor is not transmitting data to the server. What is a common reason for this issue?
The sensor is out of power
The sensor is overheating
The server is offline
The sensor's configuration settings are incorrect
Q11
Q11 If an IoT device intermittently disconnects from the network, what is a potential solution to investigate?
Replacing the device entirely
Checking for firmware updates
Decreasing the amount of data transmitted
Changing the encryption method
Q12
Q12 Which layer of the IoT architecture is responsible for collecting data directly from the environment?
Perception Layer
Network Layer
Application Layer
Business Layer
Q13
Q13 In the IoT ecosystem, what role does the Application Layer play?
Data collection
Data transmission
Providing user-specific services
Data storage
Q14
Q14 What is the main function of the Network Layer in IoT architecture?
Connecting physical devices
Data analysis
Providing security
Facilitating communication between devices and servers
Q15
Q15 Which of the following best describes a "Digital Twin"?
A virtual representation of a physical object
A clone of a digital device
A new version of IoT software
A type of IoT sensor
Q16
Q16 In an IoT ecosystem, what is the purpose of a Middleware?
To increase the processing power of devices
To facilitate communication between different layers of the architecture
To store large amounts of data
To protect data from unauthorized access
Q17
Q17 Which aspect of IoT architecture focuses on analyzing collected data to derive meaningful insights?
Perception Layer
Application Layer
Data Analysis Layer
Network Layer
Q18
Q18 What challenge does the heterogeneity of devices pose to IoT architecture?
Simplifying user interfaces
Ensuring consistent data collection
Allowing seamless communication between diverse devices
Reducing power consumption
Q19
Q19 How does the concept of "Interoperability" impact the development of IoT ecosystems?
It restricts the types of devices that can be developed
It enhances device security
It enables devices from different manufacturers to work together
It increases the cost of IoT solutions
Q20
Q20 What is the primary purpose of using protocols like MQTT or CoAP in IoT?
To encrypt data
To increase data transmission speed
To enable lightweight data exchange
To create a digital twin
Q21
Q21 Which protocol is specifically designed for constrained devices and networks in the IoT?
MQTT
CoAP
HTTP
FTP
Q22
Q22 In the context of IoT, what is the main advantage of using edge computing over cloud computing for data processing?
Lower costs
Higher security
Reduced latency in data processing
More data storage options
Q23
Q23 An IoT application fails to receive data from sensors. What is a likely issue to investigate in the architecture?
Sensor malfunction
Network layer congestion
Application layer overload
All of the above
Q24
Q24 In an IoT ecosystem, if devices from different manufacturers fail to communicate, what should be examined first?
Power supply to devices
Interoperability standards
The Internet connection
The application code
Q25
Q25 What is the primary function of communication protocols in IoT?
To provide physical connections between devices
To encrypt all data
To standardize the format and sequencing of messages
To store data
Q26
Q26 Which IoT communication model is most efficient for devices that require low power consumption?
Peer-to-peer
Publish/subscribe
Request/response
Broadcast
Q27
Q27 In IoT, which protocol is known for its low overhead and suitability for constrained devices?
MQTT
TCP/IP
HTTP
Bluetooth
Q28
Q28 What is the primary advantage of using IPv6 over IPv4 in IoT?
Larger address space
Faster data transfer speeds
More efficient routing
Enhanced security
Q29
Q29 Which protocol is specifically designed for secure communications in constrained IoT environments?
MQTT
CoAP
DTLS
FTP
Q30
Q30 What distinguishes Bluetooth Low Energy (BLE) from classic Bluetooth in the context of IoT?
Higher data transfer speeds
Longer range
Lower power consumption
Support for more simultaneous connections
