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 communication protocol is designed specifically for IoT devices and applications?
A
Correct answer
Explanation
MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for IoT devices. It is optimized for low-bandwidth and high-latency networks, making it suitable for IoT applications.
Which network technology is commonly used for long-range communication in IoT devices?
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Cellular
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Wi-Fi
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Bluetooth
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Ethernet
A
Correct answer
Explanation
Cellular networks are widely used for long-range communication in IoT devices. They provide reliable and secure connectivity over large distances, making them suitable for applications such as remote monitoring and control.
Which communication protocol is commonly used for transferring data between IoT devices and cloud platforms?
A
Correct answer
Explanation
HTTP (Hypertext Transfer Protocol) is a widely used protocol for transferring data between IoT devices and cloud platforms. It is a versatile protocol that supports various data formats and can be easily integrated with existing web applications.
Which security protocol is commonly used to protect data transmitted between IoT devices and cloud platforms?
A
Correct answer
Explanation
TLS (Transport Layer Security) is a widely used security protocol for protecting data transmitted over the internet. It provides encryption and authentication, ensuring the confidentiality and integrity of data.
Which network technology is commonly used for connecting IoT devices to a local area network?
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Wi-Fi
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Ethernet
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Bluetooth
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Cellular
A
Correct answer
Explanation
Wi-Fi (Wireless Fidelity) is a wireless technology that allows devices to connect to a local area network (LAN). It is commonly used for connecting IoT devices to a home or office network.
Which communication protocol is commonly used for real-time data streaming in IoT applications?
D
Correct answer
Explanation
UDP (User Datagram Protocol) is a communication protocol that is commonly used for real-time data streaming in IoT applications. It provides low-latency and high-throughput data transfer, making it suitable for applications such as video streaming and sensor data collection.
Which network technology is commonly used for connecting IoT devices to a wide area network?
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Cellular
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Wi-Fi
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Bluetooth
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Ethernet
A
Correct answer
Explanation
Cellular networks are commonly used for connecting IoT devices to a wide area network (WAN). They provide reliable and secure connectivity over large distances, making them suitable for applications such as remote monitoring and control.
Which communication protocol is commonly used for device discovery and configuration in IoT networks?
A
Correct answer
Explanation
DNS-SD (Domain Name System Service Discovery) is a communication protocol that is commonly used for device discovery and configuration in IoT networks. It allows devices to automatically discover each other and exchange information such as IP addresses and services.
Which security protocol is commonly used to protect data transmitted between IoT devices and a gateway?
D
Correct answer
Explanation
IPsec (Internet Protocol Security) is a security protocol that is commonly used to protect data transmitted between IoT devices and a gateway. It provides encryption and authentication, ensuring the confidentiality and integrity of data.
Which network technology is commonly used for connecting IoT devices to a personal area network?
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Bluetooth
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Wi-Fi
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Cellular
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Ethernet
A
Correct answer
Explanation
Bluetooth is a wireless technology that allows devices to communicate over short distances. It is commonly used for connecting IoT devices to a personal area network (PAN), such as a smartphone or tablet.
Which communication protocol is commonly used for transferring data between IoT devices and a local server?
C
Correct answer
Explanation
TCP/IP (Transmission Control Protocol/Internet Protocol) is a communication protocol that is commonly used for transferring data between IoT devices and a local server. It provides reliable and secure data transfer, making it suitable for applications such as data collection and control.
Which security protocol is commonly used to protect data transmitted between IoT devices and a cloud platform?
A
Correct answer
Explanation
TLS (Transport Layer Security) is a security protocol that is commonly used to protect data transmitted between IoT devices and a cloud platform. It provides encryption and authentication, ensuring the confidentiality and integrity of data.
Which network technology is commonly used for connecting IoT devices to a mesh network?
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Wi-Fi
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Bluetooth
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Cellular
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Zigbee
D
Correct answer
Explanation
Zigbee is a wireless technology that is commonly used for connecting IoT devices to a mesh network. It is a low-power, low-data-rate technology that is suitable for applications such as home automation and industrial control.
Which communication protocol is commonly used for transferring data between IoT devices and a fog node?
B
Correct answer
Explanation
MQTT (Message Queuing Telemetry Transport) is a communication protocol that is commonly used for transferring data between IoT devices and a fog node. It is a lightweight protocol that is optimized for low-bandwidth and high-latency networks, making it suitable for IoT applications.
What is the primary purpose of SAP Leonardo IoT Platform?
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To connect devices and sensors to the cloud
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To analyze and visualize IoT data
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To build and deploy IoT applications
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All of the above
D
Correct answer
Explanation
SAP Leonardo IoT Platform is a comprehensive platform that provides all the necessary tools and services to connect, manage, analyze, and visualize IoT data, as well as build and deploy IoT applications.