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web.groovymark@gmail.com
- November 30, 2024
Question 01
What does URLLC stand for in the context of IoT communications?
a) Ultra-Reliable Low-Latency Communication
b) Universal Radio Linked Communication
c) Unreliable Low-Latency Channel
d) Ultra-Responsive Linked Channel
Correct Answer: a) Ultra-Reliable Low-Latency Communication
Explanation: URLLC is a type of IoT communication critical for applications like autonomous vehicles and remote surgery where reliability and minimal latency are essential.
Question 02
Which characteristic is vital for an IoT-enabled smart meter?
a) High-speed processing
b) Long-range communication
c) Real-time energy usage measurement
d) Complex calculations
Correct Answer: c) Real-time energy usage measurement
Explanation: Smart meters measure and report energy usage in real-time, enabling efficient energy management and monitoring.
Question 03
In IoT systems, what does mMTC stand for?
a) Massive Machine Type Communication
b) Multi-Machine Transmission Code
c) Machine Managed Transmission Code
d) Minimal Machine Type Communication
Correct Answer: a) Massive Machine Type Communication
Explanation: mMTC is an IoT communication standard designed to support the vast number of connected devices in applications like smart cities.
Question 04
What is the main advantage of using LPWAN for IoT applications?
a) High-speed data transfer
b) Long battery life
c) Short-range communication
d) High power consumption
Correct Answer: b) Long battery life
Explanation: LPWAN is optimized for low power consumption, allowing devices to operate on battery power for extended periods.
Question 05
What function does an edge device serve in an IoT network?
a) Data storage only
b) Initial data processing and analysis
c) Only data transmission
d) Power management
Correct Answer: b) Initial data processing and analysis
Explanation: Edge devices handle preliminary data processing before sending it to the central system, reducing latency and bandwidth usage.
Question 06
What is the primary benefit of using smart sensors in an IoT system?
a) High data transmission rate
b) Minimal data processing
c) Real-time data capture and transmission
d) High battery consumption
Correct Answer: c) Real-time data capture and transmission
Explanation: Smart sensors collect and send data in real-time, which is essential for timely monitoring and response in IoT systems.
Question 07
In IoT, what does a protocol adapter do?
a) Encrypts data for security
b) Converts data formats for compatibility
c) Increases data transmission speed
d) Provides data storage
Correct Answer: b) Converts data formats for compatibility
Explanation: Protocol adapters allow data from various devices with different protocols to be standardized for seamless integration.
Question 08
Which of the following IoT devices is best suited for monitoring atmospheric pressure in remote areas?
a) Smart thermostat
b) Weather sensor
c) Bluetooth speaker
d) Security camera
Correct Answer: b) Weather sensor
Explanation: Weather sensors are specialized to capture environmental data such as atmospheric pressure, temperature, and humidity.
Question 09
What is the primary purpose of IoT-enabled actuators?
a) Data collection
b) Physical action based on data
c) Data storage
d) Data transmission
Correct Answer: b) Physical action based on data
Explanation: Actuators perform physical actions, such as opening a valve or adjusting temperature, based on data inputs from sensors.
Question 10
In the IoT framework, what does MEC stand for?
a) Machine Edge Computing
b) Mobile Edge Computing
c) Minimal Edge Communication
d) Multi-Energy Computing
Correct Answer: b) Mobile Edge Computing
Explanation: MEC refers to edge computing nodes that handle data processing close to IoT devices, reducing latency in mobile and distributed networks.
Question 11
Which IoT technology is commonly used for monitoring agriculture and crop health?
a) LoRaWAN
b) Wi-Fi
c) Bluetooth
d) Zigbee
Correct Answer: a) LoRaWAN
Explanation: LoRaWAN’s long-range and low-power capabilities make it ideal for monitoring agriculture across large fields and remote locations.
Question 12
Which of the following represents a centralized IoT platform?
a) Bluetooth device
b) Home Wi-Fi router
c) Cloud-based data storage system
d) Personal computer
Correct Answer: c) Cloud-based data storage system
Explanation: Centralized IoT platforms are often cloud-based, providing storage, processing, and management for IoT data.
Question 13
What is the function of device attestation in IoT security?
a) Data storage verification
b) Authenticating device identity
c) Increasing device speed
d) Enhancing data visualization
Correct Answer: b) Authenticating device identity
Explanation: Device attestation ensures that a device’s identity is legitimate and trusted within an IoT network.
Question 14
Which of the following is a typical function of a rules engine in an IoT system?
a) Storing sensor data
b) Routing data based on predefined logic
c) Authenticating users
d) Increasing data storage capacity
Correct Answer: b) Routing data based on predefined logic
Explanation: A rules engine applies conditional logic to data flows, enabling automation and decision-making in IoT systems.
Question 15
In IoT, which protocol enables low-power, short-range wireless communication in smart home devices?
a) LoRa
b) Bluetooth Low Energy (BLE)
c) Wi-Fi
d) Ethernet
Correct Answer: b) Bluetooth Low Energy (BLE)
Explanation: BLE allows devices in close proximity to communicate while consuming minimal power, suitable for smart home applications.
Question 16
What does NB-IoT stand for?
a) Network-based IoT
b) Narrowband IoT
c) Noteworthy IoT
d) Next-generation Broadband IoT
Correct Answer: b) Narrowband IoT
Explanation: NB-IoT is a cellular technology designed for low-power, wide-area IoT applications, using narrowband spectrum for efficiency.
Question 17
What is the main purpose of the DCAT vocabulary in IoT?
a) To manage device configurations
b) To enable interoperability between data catalogues
c) To increase data encryption
d) To enhance device speed
Correct Answer: b) To enable interoperability between data catalogues
Explanation: DCAT standardizes data catalogue structures to promote compatibility and easy access across IoT platforms.
Question 18
What is a smart thermostat’s primary function in an IoT home automation system?
a) Monitoring energy usage
b) Measuring room temperature
c) Regulating home temperature automatically
d) Increasing data storage
Correct Answer: c) Regulating home temperature automatically
Explanation: Smart thermostats monitor and adjust the temperature based on user preferences and environmental data.
Question 19
Which of the following is NOT a type of IoT data processing?
a) Batch processing
b) Real-time processing
c) Deferred processing
d) Stream processing
Correct Answer: c) Deferred processing
Explanation: Deferred processing is not typically a recognized category in IoT; the focus is on batch, real-time, and stream processing.
Question 20
In the IoT ecosystem, what is an information consumer?
a) A device that processes data locally
b) A provider that shares data
c) An entity that accesses and uses data
d) A component that regulates data flow
Correct Answer: c) An entity that accesses and uses data
Explanation: Information consumers access and use data provided by other IoT devices or platforms for various applications.
