D337 Internet of Things (IoT) and Infrastructure - Set 4 - 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 primarily responsible for connecting IoT devices to the internet?

Edge compute

Application

Gateway

Sensor

Question 2: What technology is used to determine soil moisture levels in agriculture?

Temperature sensors

Soil moisture sensors

Pressure sensors

Light sensors

Question 3: Which device is used to process data before it is sent to the cloud in an IoT system?

Actuator

Edge device

Proxy server

Sensor

Question 4: In IoT architecture, which component collects raw data from the monitored entity?

Processor

Actuator

Gateway

Sensor

Question 5: What is a key characteristic of wireless local area networks (WLAN) in IoT?

One-year battery life

Supports low data rates

Uses FireWire protocol

Allows for line-of-sight communication

Question 6: What is a major advantage of using the ISM frequency below 1 GHz in IoT applications?

Higher data rates

Lower costs

Shorter battery life

Greater range

Question 7: Which IoT technology is known for supporting mesh networking?

Bluetooth

Zigbee

Wi-Fi

Sigfox

Question 8: What does the customer edge device primarily provide in the IoT architecture?

Advanced data processing

Telemetry and measurements

Local storage and processing capabilities

Cloud integration

Question 9: Proximity sensors

1, 2

1, 3

2, 3

3, 4

Question 10: What solution will improve the speed and accuracy of data collection for utility companies?

Moving meters to the front of buildings

Installing sensors on meters for remote transmission

Verifying data manually

Switching to digital meters

Question 11: What type of IoT device helps to determine room occupancy in smart buildings?

Smart light

Thermo device

Humidity sensor

Smart speaker

Question 12: Which IoT device assists emergency services by monitoring a user's activities at home?

Camera

Companion robot

Air tag

Pressure sensor

Question 13: What type of detection sensor built into light bulbs reduces energy consumption?

Humidity sensor

Light sensor

Motion sensor

Vibration sensor

Question 14: Wearable devices

1, 2

2, 3

1, 3

2, 4

Question 15: What changes occur in IoT data processing when transitioning from Lambda to Kappa architecture?

The batch layer is removed.

The streaming layer is removed.

The batch layer replaces the serving layer.

The streaming layer replaces the serving layer.

Question 16: Which component in the Lambda architecture acts as the streaming layer?

Real-time engine

Batch engine

Serving backend

Data storage

Question 17: What does an information consumer do in an IoT ecosystem?

Collects data from their sensors

Builds applications using data after consent

Communicates risks with the data owner

Maintains backups of collected data

Question 18: Which vulnerability do IoT botnets exploit on devices?

Unencrypted communications

Default credentials

Cleartext passwords

Physical security flaws

Question 19: Software built into a sandbox

2, 3

1, 3

3, 4

2, 4

Question 20: What type of malware creates a network of compromised IoT devices?

Macro

Ransomware

Botnet

Cross-site scripting

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