Computer Knowledge

Internet of Things and Applications

2,876 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 of the following is NOT a common IoT security threat?

  1. Malware

  2. Phishing

  3. DDoS attacks

  4. Software updates
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Software updates are not a common IoT security threat, but rather a countermeasure against them.

Multiple choice

What is the term for the unauthorized modification of IoT device firmware?

  1. Firmware tampering

  2. Firmware hijacking

  3. Firmware injection

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the options are terms used to describe the unauthorized modification of IoT device firmware.

Multiple choice

Which of the following is NOT a recommended practice for securing IoT networks?

  1. Segment IoT networks from other networks

  2. Use strong encryption for IoT traffic

  3. Implement network access control lists (ACLs)

  4. Allow IoT devices to communicate with any device on the network
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Allowing IoT devices to communicate with any device on the network is not a recommended practice, as it can increase the risk of security breaches.

Multiple choice

Which of the following is NOT a common IoT security regulation?

  1. GDPR

  2. NIST SP 800-160

  3. ISO/IEC 27001

  4. HIPAA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

NIST SP 800-160 is a guideline, not a regulation.

Multiple choice

What is the primary purpose of Google Cloud IoT Platform?

  1. To connect and manage IoT devices

  2. To store and analyze IoT data

  3. To provide security for IoT devices

  4. To enable real-time data streaming
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Google Cloud IoT Platform is primarily designed to help users connect, manage, and ingest data from their IoT devices.

Multiple choice

Which protocol does Google Cloud IoT Platform primarily use for device communication?

  1. MQTT

  2. HTTP

  3. WebSocket

  4. CoAP
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Google Cloud IoT Platform predominantly utilizes the MQTT protocol for communication with IoT devices, enabling efficient and lightweight data exchange.

Multiple choice

What is the role of a device registry in Google Cloud IoT Platform?

  1. To store device metadata and credentials

  2. To manage device configurations

  3. To collect and process telemetry data

  4. To provide secure communication channels
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The device registry in Google Cloud IoT Platform serves as a central repository for storing device metadata, such as device IDs, credentials, and other relevant information.

Multiple choice

What is the primary function of a gateway in Google Cloud IoT Platform?

  1. To connect devices to the cloud

  2. To process and filter data before sending it to the cloud

  3. To provide secure communication between devices and the cloud

  4. To manage device configurations
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gateways in Google Cloud IoT Platform act as intermediaries between devices and the cloud, enabling devices to connect and communicate with the platform.

Multiple choice

What is the purpose of Cloud Pub/Sub in Google Cloud IoT Platform?

  1. To provide real-time data streaming from devices

  2. To store and manage device configurations

  3. To analyze and visualize IoT data

  4. To provide secure communication between devices and the cloud
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cloud Pub/Sub in Google Cloud IoT Platform enables real-time data streaming from devices, allowing applications to receive and process data as it is generated.

Multiple choice

What is the primary role of Cloud IoT Core in Google Cloud IoT Platform?

  1. To manage device connectivity and communication

  2. To store and analyze IoT data

  3. To provide secure communication between devices and the cloud

  4. To manage device configurations
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cloud IoT Core is a core component of Google Cloud IoT Platform responsible for managing device connectivity, communication, and data transfer between devices and the cloud.

Multiple choice

What is the purpose of Cloud IoT Edge in Google Cloud IoT Platform?

  1. To extend IoT Platform capabilities to edge devices

  2. To provide secure communication between devices and the cloud

  3. To manage device configurations

  4. To analyze and visualize IoT data
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cloud IoT Edge extends the capabilities of Google Cloud IoT Platform to edge devices, enabling local data processing, analytics, and control.

Multiple choice

What is the primary benefit of using Google Cloud IoT Platform?

  1. Simplified device management and connectivity

  2. Enhanced security for IoT devices and data

  3. Scalable and reliable data ingestion and processing

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Google Cloud IoT Platform offers a comprehensive set of benefits, including simplified device management, enhanced security, and scalable data ingestion and processing.

Multiple choice

Which of the following is NOT a supported device type in Google Cloud IoT Platform?

  1. Raspberry Pi

  2. Arduino

  3. Windows 10 IoT Core

  4. Android Things
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Windows 10 IoT Core is not a supported device type in Google Cloud IoT Platform.

Multiple choice

What is the maximum number of devices that can be connected to a single Google Cloud IoT Core instance?

  1. 10,000

  2. 100,000

  3. 1,000,000

  4. Unlimited
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Google Cloud IoT Core supports up to 1,000,000 connected devices per instance.

Multiple choice

What is the maximum frequency at which a device can send data to Google Cloud IoT Platform?

  1. Once per second

  2. Once per minute

  3. Once per hour

  4. Once per day
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Devices can send data to Google Cloud IoT Platform as frequently as once per second.