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

Multiple choice

Which communication protocol is designed specifically for IoT devices and applications?

  1. MQTT

  2. HTTP

  3. TCP/IP

  4. UDP

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which network technology is commonly used for long-range communication in IoT devices?

  1. Cellular

  2. Wi-Fi

  3. Bluetooth

  4. Ethernet

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which communication protocol is commonly used for transferring data between IoT devices and cloud platforms?

  1. HTTP

  2. MQTT

  3. TCP/IP

  4. UDP

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which security protocol is commonly used to protect data transmitted between IoT devices and cloud platforms?

  1. TLS

  2. SSL

  3. SSH

  4. IPsec

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which network technology is commonly used for connecting IoT devices to a local area network?

  1. Wi-Fi

  2. Ethernet

  3. Bluetooth

  4. Cellular

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which communication protocol is commonly used for real-time data streaming in IoT applications?

  1. MQTT

  2. HTTP

  3. TCP/IP

  4. UDP

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which network technology is commonly used for connecting IoT devices to a wide area network?

  1. Cellular

  2. Wi-Fi

  3. Bluetooth

  4. Ethernet

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which communication protocol is commonly used for device discovery and configuration in IoT networks?

  1. DNS-SD

  2. DHCP

  3. HTTP

  4. MQTT

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which security protocol is commonly used to protect data transmitted between IoT devices and a gateway?

  1. TLS

  2. SSL

  3. SSH

  4. IPsec

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which network technology is commonly used for connecting IoT devices to a personal area network?

  1. Bluetooth

  2. Wi-Fi

  3. Cellular

  4. Ethernet

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which communication protocol is commonly used for transferring data between IoT devices and a local server?

  1. HTTP

  2. MQTT

  3. TCP/IP

  4. UDP

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which security protocol is commonly used to protect data transmitted between IoT devices and a cloud platform?

  1. TLS

  2. SSL

  3. SSH

  4. IPsec

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which network technology is commonly used for connecting IoT devices to a mesh network?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

  4. Zigbee

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

Which communication protocol is commonly used for transferring data between IoT devices and a fog node?

  1. HTTP

  2. MQTT

  3. TCP/IP

  4. UDP

Reveal answer Fill a bubble to check yourself
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.

Multiple choice

What is the primary purpose of SAP Leonardo IoT Platform?

  1. To connect devices and sensors to the cloud

  2. To analyze and visualize IoT data

  3. To build and deploy IoT applications

  4. All of the above

Reveal answer Fill a bubble to check yourself
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.