Computer Knowledge
Internet of Things and Applications
2,811 Questions
Internet of Things (IoT) questions cover the connectivity of devices, cloud platforms, and sensor networks. Topics include IoT security, data analytics, short-range wireless technologies, and low-power applications. These concepts are vital for computer knowledge sections in various competitive exams.
IoT ConnectivityIoT SecurityData AnalyticsCloud PlatformsWireless Technology
Internet of Things and Applications Questions
Which IoT standard defines a common framework for device management and interoperability?
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OneM2M
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MQTT
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Bluetooth Low Energy
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Zigbee
A
Correct answer
Explanation
OneM2M is a global standard that provides a common framework for device management and interoperability in IoT systems. It defines a set of APIs and protocols that enable different IoT devices and platforms to communicate and exchange data seamlessly.
What is the role of the International Telecommunication Union (ITU) in IoT standardization?
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To develop global standards for IoT communication technologies.
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To regulate the use of IoT devices in critical infrastructure.
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To establish security guidelines for IoT device manufacturers.
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To promote the adoption of IoT technologies in developing countries.
A
Correct answer
Explanation
The International Telecommunication Union (ITU) plays a crucial role in developing global standards for IoT communication technologies. It works to ensure interoperability, efficiency, and security in IoT networks by defining technical specifications and protocols.
Which IoT protocol is commonly used for short-range wireless communication between devices?
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Bluetooth Low Energy
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Wi-Fi
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Cellular
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LoRaWAN
A
Correct answer
Explanation
Bluetooth Low Energy (BLE) is a wireless communication protocol designed for low-power devices. It is widely used in IoT applications for short-range communication between devices, such as sensors, wearables, and smartphones.
What is the purpose of the IoT Security Framework developed by the National Institute of Standards and Technology (NIST)?
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To provide guidelines for securing IoT devices and systems.
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To regulate the use of IoT devices in government agencies.
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To establish standards for IoT data storage and management.
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To promote the adoption of IoT technologies in healthcare.
A
Correct answer
Explanation
The IoT Security Framework developed by the National Institute of Standards and Technology (NIST) provides comprehensive guidelines and recommendations for securing IoT devices and systems. It addresses various aspects of IoT security, including device hardening, network security, and data protection.
Which IoT standard defines a common architecture and protocols for smart cities?
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IEEE 802.15.4
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OneM2M
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ITU-T X.1255
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ISO/IEC 30141
D
Correct answer
Explanation
ISO/IEC 30141 is an international standard that defines a common architecture and protocols for smart cities. It provides a framework for integrating various IoT devices, systems, and services to enable efficient and sustainable urban management.
What is the role of the Federal Communications Commission (FCC) in IoT regulation in the United States?
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To regulate the use of IoT devices in public spaces.
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To establish standards for IoT device interoperability.
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To allocate spectrum for IoT communication technologies.
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To promote the adoption of IoT technologies in education.
C
Correct answer
Explanation
The Federal Communications Commission (FCC) is responsible for allocating spectrum for IoT communication technologies in the United States. It ensures that IoT devices have access to the necessary frequency bands to operate and communicate effectively.
Which IoT protocol is designed for long-range, low-power communication in IoT applications?
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LoRaWAN
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Wi-Fi
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Zigbee
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Bluetooth Low Energy
A
Correct answer
Explanation
LoRaWAN (Long Range Wide Area Network) is a low-power wide-area network (LPWAN) protocol designed for long-range, low-power communication in IoT applications. It enables devices to transmit data over long distances with low power consumption, making it suitable for remote and rural areas.
Which IoT standard defines a common framework for IoT data management and analytics?
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IEEE 802.15.4
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MQTT
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OneM2M
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ISO/IEC 20924
D
Correct answer
Explanation
ISO/IEC 20924 is an international standard that defines a common framework for IoT data management and analytics. It provides guidelines for collecting, storing, processing, and analyzing IoT data to extract valuable insights and improve decision-making.
What is the role of the European Telecommunications Standards Institute (ETSI) in IoT standardization?
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To develop global standards for IoT communication technologies.
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To regulate the use of IoT devices in critical infrastructure.
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To establish security guidelines for IoT device manufacturers.
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To promote the adoption of IoT technologies in developing countries.
A
Correct answer
Explanation
The European Telecommunications Standards Institute (ETSI) plays a significant role in developing global standards for IoT communication technologies. It works to ensure interoperability, efficiency, and security in IoT networks by defining technical specifications and protocols.
How can architectural research contribute to the development of smart and responsive buildings?
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By investigating the integration of sensor technologies and IoT devices
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By exploring data-driven design and performance optimization
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By developing adaptive and responsive building systems
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All of the above
D
Correct answer
Explanation
Architectural research contributes to the development of smart and responsive buildings by investigating the integration of sensor technologies and IoT devices, exploring data-driven design and performance optimization, and developing adaptive and responsive building systems that can sense and respond to changing environmental conditions and user needs.
Which technology is commonly used in smart home locks for wireless communication?
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Bluetooth
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Wi-Fi
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Zigbee
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All of the above
D
Correct answer
Explanation
Smart home locks may utilize Bluetooth, Wi-Fi, or Zigbee for wireless communication, depending on the specific model and manufacturer.
What is a common feature found in many smart home locks?
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Keyless entry
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Remote locking/unlocking
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Activity logs
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All of the above
D
Correct answer
Explanation
Keyless entry, remote locking/unlocking, and activity logs are common features found in smart home locks.
Which type of smart home lock requires a physical key as a backup?
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Keypad lock
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Biometric lock
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Electronic lock
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Mechanical lock
D
Correct answer
Explanation
Mechanical locks are traditional locks that do not have smart features and require a physical key to operate.
Which type of smart home lock utilizes fingerprint or facial recognition for authentication?
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Keypad lock
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Electronic lock
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Biometric lock
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Mechanical lock
C
Correct answer
Explanation
Biometric locks use fingerprint or facial recognition technology for authentication, providing a secure and convenient way to unlock the door.
What is a potential disadvantage of using a smart home lock with a keypad?
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Reduced security
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Inconvenience
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High cost
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Lack of features
A
Correct answer
Explanation
Keypad locks may be less secure than other types of smart home locks, as they can be vulnerable to brute force attacks or code guessing.