Test Your Knowledge-introduction To Iot
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Questions and Answers
- 1.
Which Characteristics of IoT helps us to bring together everyday objects?
- A.
Unique Identity
- B.
Intelligence
- C.
Scalability
- D.
Connectivity
Correct Answer
D. ConnectivityExplanation
Connectivity is the characteristic of IoT that helps us bring together everyday objects. It refers to the ability of objects to connect and communicate with each other through the internet. By being connected, these objects can share data, exchange information, and work together to perform tasks efficiently. Connectivity enables seamless integration and collaboration between various devices, allowing them to work in harmony and enhance our daily lives.Rate this question:
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- 2.
Which characteristics of IoT makes things to act smarter?
- A.
Unique Identity
- B.
Connectivity
- C.
Intelligence
- D.
Dynamic nature
Correct Answer
C. IntelligenceExplanation
The characteristic of intelligence in IoT enables things to act smarter. With intelligence, IoT devices are capable of processing and analyzing data, making decisions, and adapting to different situations. This allows them to perform tasks more efficiently and autonomously, enhancing their overall functionality and performance. Intelligence in IoT also enables devices to learn from past experiences and improve their performance over time, making them more effective in their operations.Rate this question:
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- 3.
Identify the major challenge faced by an IoT system.
- A.
Security & Privacy
- B.
Unique Identity
- C.
Intelligence
- D.
Smart devices
Correct Answer
A. Security & PrivacyExplanation
The major challenge faced by an IoT system is security and privacy. With the increasing number of connected devices, there is a higher risk of cyber attacks and unauthorized access to sensitive data. Ensuring the security of the network, data encryption, and protecting user privacy are crucial for the successful implementation of an IoT system. Without proper security measures, the system is vulnerable to hacking, data breaches, and privacy violations.Rate this question:
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- 4.
Machine to Machine is______________________Technology and IoT is_____________________Technology
- A.
Software Based, Hardware Based
- B.
Hardware Based, Software Based
- C.
Interaction Based, Connection Based
- D.
Connection Based, Interaction Based
- E.
Option 5
Correct Answer
B. Hardware Based, Software BasedExplanation
The correct answer is Hardware Based, Software Based. Machine to Machine (M2M) technology refers to the communication between two or more machines without human intervention, which is typically accomplished through hardware components. On the other hand, IoT (Internet of Things) technology is a combination of hardware and software that allows objects to connect and exchange data over the internet. Therefore, both M2M and IoT technologies involve hardware and software components for their operation.Rate this question:
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- 5.
Which among the following is true?
- A.
IoT is a subset of M2M
- B.
CPS is a subset of Web of Things (WoT)
- C.
M2M is a subset of IoT
- D.
IoT is a subset of CPS
Correct Answer
C. M2M is a subset of IoTExplanation
The correct answer is M2M is a subset of IoT. This means that Machine-to-Machine (M2M) communication is a part of the broader concept of Internet of Things (IoT). M2M refers to the direct communication between devices without human intervention, while IoT encompasses a wider range of interconnected devices and systems that collect and exchange data. Therefore, M2M is a subset of IoT because it represents a specific type of communication within the larger IoT framework.Rate this question:
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- 6.
Which of the following is not a feature of M2M?
- A.
Time Telerancy
- B.
Low Mobility
- C.
Intelligence
- D.
Packet Switched
Correct Answer
C. IntelligenceExplanation
The feature of M2M that is not mentioned in the options is "Intelligence". M2M (Machine-to-Machine) communication refers to the direct communication between devices without human intervention. It typically involves transmitting data or commands between machines. While M2M systems can be designed to be intelligent and capable of making decisions, it is not a fundamental feature of M2M communication. The other options, such as Time Telerancy, Low Mobility, and Packet Switched, are all features that can be associated with M2M communication.Rate this question:
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- 7.
Data can be analyzed when it reaches _______________________
- A.
M2M Gateway
- B.
M2M Core Networks
- C.
Wireless Networks
- D.
M2M Applications
Correct Answer
D. M2M ApplicationsExplanation
Data can be analyzed when it reaches M2M Applications. M2M Applications are specifically designed to receive and process data from various sources, such as M2M Gateways, M2M Core Networks, and Wireless Networks. These applications have the necessary tools and algorithms to interpret the collected data, extract meaningful insights, and generate actionable results. Therefore, M2M Applications play a crucial role in the analysis of data in the M2M ecosystem.Rate this question:
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- 8.
In which type of network, network management is difficult.
- A.
SDN
- B.
Traditional Network
- C.
Both a & b
- D.
None of these
Correct Answer
B. Traditional NetworkExplanation
In a traditional network, network management is difficult because it involves manual configuration and management of each network device individually. This can be time-consuming and prone to errors. Additionally, traditional networks often lack centralized control and visibility, making it challenging to monitor and troubleshoot network issues. On the other hand, SDN (Software-Defined Networking) offers centralized control and programmability, making network management more efficient and flexible. Therefore, the correct answer is Traditional Network.Rate this question:
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- 9.
Which plane helps SDN to make network management easier?
- A.
Data plane
- B.
Controller Plane
- C.
Management Plane
- D.
Both a & b
Correct Answer
B. Controller PlaneExplanation
The correct answer is the Controller Plane. In Software-Defined Networking (SDN), the Controller Plane is responsible for managing and controlling the network. It acts as the brain of the network, making decisions and implementing policies to direct the flow of data. By centralizing the network management functions, the Controller Plane simplifies network management and allows for more efficient control and configuration of the network. Additionally, it enables automation and programmability, making it easier to adapt and scale the network according to changing requirements.Rate this question:
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- 10.
For monitoring room temperature which level of IoT is to be used?
- A.
Level 4
- B.
Level 2
- C.
Level 3
- D.
Level 1
Correct Answer
D. Level 1Explanation
Level 1 of IoT should be used for monitoring room temperature. Level 1 refers to the basic level of IoT, where devices are connected to the internet and can collect and transmit data. In this case, sensors can be installed in the room to measure the temperature, and the data can be sent to a central system for monitoring and analysis. Level 1 does not involve complex analytics or automation, but it provides a foundation for data collection and remote monitoring.Rate this question:
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- 11.
The Class diagram is used in which step of IoT Design methodology?
- A.
IoT Level Specification
- B.
Functional level specification
- C.
Operational level specification
- D.
Information model specification
Correct Answer
D. Information model specificationExplanation
The class diagram is used in the information model specification step of IoT design methodology. This step involves defining the structure and organization of data within the IoT system. The class diagram helps to identify the different classes or entities within the system and their relationships. It provides a visual representation of the data model, allowing designers to understand how data flows and is organized within the system. This helps in creating a clear and comprehensive information model for the IoT system.Rate this question:
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- 12.
Which step used to define the use case in IoT design methodology?
- A.
Domain model specification
- B.
IoT level Specification
- C.
Process model specification
- D.
Information model specification
Correct Answer
C. Process model specificationExplanation
The process model specification step is used to define the use case in IoT design methodology. This step involves identifying and defining the processes or activities that need to be performed in order to achieve the desired outcome or functionality in an IoT system. It helps in understanding the sequence of actions, dependencies, and interactions between different components or entities involved in the use case. This specification provides a clear understanding of how the IoT system should operate and helps in designing the necessary processes and workflows to achieve the desired functionality.Rate this question:
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- 13.
128 bits are there in _______________ and 128 bits are there in _____________
- A.
IPv6, IPv4
- B.
IPv4, IPv6
- C.
None of These
- D.
IP
Correct Answer
A. IPv6, IPv4Explanation
There are 128 bits in IPv6 and 128 bits in IPv4.Rate this question:
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- 14.
____________________ is a device that detects and responds to some type of input from the physical environment.
- A.
Sensors
- B.
Actuators
- C.
End Nodes
- D.
Applications
Correct Answer
A. SensorsExplanation
Sensors are devices that detect and respond to input from the physical environment. They are designed to measure and detect changes in various physical quantities such as temperature, pressure, light, and motion. Sensors convert these physical signals into electrical signals that can be processed and used by other devices or systems. By detecting and responding to environmental inputs, sensors play a crucial role in monitoring and controlling various processes and systems.Rate this question:
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- 15.
Which of the following ensures that information from one device gets read and understood by another device.
- A.
Things in IoT
- B.
IoT Protocols
- C.
APIs
- D.
Things in IoT and IoT Protocols
Correct Answer
B. IoT ProtocolsExplanation
IoT Protocols ensure that information from one device gets read and understood by another device. These protocols define a set of rules and standards that enable devices to communicate and exchange data effectively. By using IoT protocols, devices can establish a common language and format for transmitting information, ensuring compatibility and interoperability between different devices and systems in the IoT ecosystem.Rate this question:
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- 16.
Publish command message to publish information on a specified topic or topics is sent from _________
- A.
Publisher to broker only
- B.
Broker to publisher only
- C.
Both Publisher to broker and broker to publisher
- D.
Server to client
Correct Answer
C. Both Publisher to broker and broker to publisherExplanation
The correct answer is "Both Publisher to broker and broker to publisher." In the publish-subscribe messaging pattern, the publisher sends a publish command message to the broker to publish information on a specified topic or topics. The broker then forwards this information to the subscribed clients. Additionally, the broker can also send messages to the publisher, such as acknowledgments or requests for more information. Therefore, communication occurs in both directions between the publisher and the broker.Rate this question:
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- 17.
Which system refers to an abstract representation of the entities & processes without going into the low-level specifics of the implementation?
- A.
Physical design of IoT
- B.
Logical Design of IoT
- C.
Functional Blocks of IoT
- D.
Principles of IoT
Correct Answer
B. Logical Design of IoTExplanation
Logical Design of IoT refers to an abstract representation of the entities and processes involved in the Internet of Things without delving into the specific implementation details. It focuses on the overall structure, relationships, and functionality of the IoT system, providing a high-level view that helps in understanding and designing the system without getting into the nitty-gritty of how it is physically implemented.Rate this question:
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- 18.
Which block provides various functions to govern the IoT system?
- A.
Device
- B.
Application
- C.
Management
- D.
Security
Correct Answer
C. ManagementExplanation
The block that provides various functions to govern the IoT system is the Management block. This block is responsible for managing and controlling the different aspects of the IoT system, such as device registration, data collection, monitoring, and analytics. It ensures smooth operation and efficient management of the IoT system, allowing users to easily control and oversee the connected devices and their functionalities.Rate this question:
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- 19.
………. Is based on HTTP which is stateless protocol.
- A.
REST
- B.
Web Socket
- C.
Both a & b
- D.
None of the above
Correct Answer
A. RESTExplanation
REST is based on HTTP, which is a stateless protocol. This means that each request from the client to the server is independent and does not rely on any previous requests or stored state. RESTful APIs use HTTP methods like GET, POST, PUT, and DELETE to perform operations on resources. This statelessness allows for scalability, simplicity, and ease of caching, making REST a popular choice for building web services. Web Sockets, on the other hand, are a communication protocol that allows for real-time, bidirectional communication between the client and server, but they are not based on HTTP and are not stateless. Therefore, the correct answer is REST.Rate this question:
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- 20.
Which of the following is/are the Functions of IoT?
- A.
Sensing
- B.
Actuating
- C.
Monitoring
- D.
All the above
Correct Answer
D. All the aboveExplanation
The correct answer is "All the above" because IoT (Internet of Things) involves the use of sensors to sense and collect data from the environment, actuating devices to perform certain actions based on the collected data, and monitoring the entire system to ensure proper functioning and performance. Therefore, all three functions (sensing, actuating, and monitoring) are essential components of IoT.Rate this question:
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