D337 Internet of Things (IoT) and Infrastructure - Set 2 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: Which building block is used to move collected IoT data to the central IoT platform?

Edge compute

Application

Gateway

Smart device

Question 2: What is the function of soil moisture sensors in a smart agriculture ecosystem?

Capturing soil moisture metrics

Processing soil moisture metrics

Activating sprinklers based on low-soil-moisture metrics

Transmitting soil moisture metrics to a central network

Question 3: What does LPWAN stand for in IoT?

Low Power Wireless Area Network

Local Power Wireless Area Network

Low Protocol Wireless Area Network

Long-range Protocol Wireless Area Network

Question 4: Which of the following is a primary characteristic of LPWAN?

High data rate

Long-range communication with low power consumption

High power consumption

Short-range communication

Question 5: What frequency is commonly used by LPWAN technologies like LoRaWAN in the EU?

915 MHz

2.4 GHz

5 GHz

868 MHz

Question 6: Which device in a smart home ecosystem would most likely act as a hub for other devices?

Thermostat

Gateway

Smart bulb

Sensor

Question 7: Which technology is typically used in dense IoT deployments, such as smart cities or buildings?

LoRaWAN

LTE

Wi-Fi

Sigfox

Question 8: What is the primary function of Zigbee in IoT networks?

Long-range communication

Short-range communication with meshing capability

Data storage

Device management

Question 9: Which IoT technology is named after the company that owns it and operates in the Narrowband spectrum?

LoRa

Zigbee

Sigfox

Bluetooth

Question 10: What type of energy source is classified as a Renewable Energy Source (RES)?

Coal

Natural gas

Solar

Nuclear

Question 11: Which IoT platform component is responsible for reducing the attack surface through identity access management and secure boot?

Central IoT platform

Edge device

Secure Runtime Environment

Gateway

Question 12: What is the main purpose of the Rules Engine in an IoT platform?

To collect data from sensors

To enforce security protocols

To route data based on predefined rules

To monitor device health

Question 13: What does the term "spread spectrum" refer to in IoT?

Narrowband signal

Signal transmission across a wide bandwidth

High-power signal transmission

Low data rate transmission

Question 14: What is the primary benefit of LoRaWAN's spread spectrum technique?

Reduced signal range

Improved interference resistance and security

Increased data rate

Higher power consumption

Question 15: Which protocol is used by LoRaWAN to communicate between devices and gateways?

Wi-Fi

TCP/IP

HTTP

LoRa

Question 16: What is the function of a motion sensor in IoT-enabled lighting?

To reduce power usage when rooms are empty

To measure energy consumption

To collect data from other devices

To increase signal range

Question 17: In an IoT ecosystem, what is a dataset?

A measurement from a sensor

A key-value pair of data

A type of sensor

An aggregation of sensor-based and other data

Question 18: Which IoT technology is optimized for long battery life with low throughput?

Wi-Fi

Bluetooth

LTE-M

Zigbee

Question 19: Which frequency band is utilized by Zigbee networks?

2.4 GHz

868 MHz

915 MHz

5 GHz

Question 20: What is the main feature of the LoRa protocol in IoT networks?

High data rates

Spread spectrum technique

Short-range communication

High power consumption

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