WGU D337 Exams, Objective Assessment & Pre- Assessment (Latest 2024/ 2025 STUDY BUNDLE) Internet of Things (IoT) and Infrastructure | Questions and Verified Answers| 100% Correct| Grade A
WGU D337 Internet of Things (IoT) and
Infrastructure Exam Prep (Latest 2024/
2025) Questions and Verified Answers| 100%
Correct| Grade A
Q: Network of hundreds of thousands of interconnected computers, servers, routers, switches
and fiber optic cables that allow vital infrastructures to work
Answer:
Cyberspace
Q: Technologies that generate, store and process data as fixed numbers; binary digits or bits in
the form of 0’s and 1’s
Answer:
Digital
Q: Combinations of hardware, software and networks that are integrated together to collect,
process, store and distribute data
Answer:
Information systems
Q: Module used to store IoT data received from sensors or from the cloud
Answer:
Information broker
Q: Global network of wired and wireless networks
Answer:
Internet
Q: Information space consisting of a number of public resources that are linked together and
made accessible via the internet
Answer:
Web
Q: Uses cyberspace to disrupt critical infrastructures to elicit widespread panic and loss of
public confidence in the ability of government to function effectively, such as by interrupting
critical infrastructure
Answer:
Cyber terrorists
Q: All the user’s networks around their personal and home devices
Answer:
Consumer IoT
Q: Machines, computers and people enabling intelligent industrial operations using advanced
data analytics for transformation business outcomes
Answer:
Industrial IoT
Q: Connected devices that monitor the human body, collect physiological, biometric, or
behavioral data and exchange information of a wireless or hybrid network. Can be implanted,
swallowed or worn.
Answer:
Internet of Bodies (IoB)
Q: Short-distance network that allows multiple devices within a small area to connect to each
other.
Examples of a WPAN are Bluetooth and Zigbee.
Answer:
Wireless Personal Area Network (WPAN)
Q: Devices that respond to inputs from the physical environment and use those inputs for
decision-making by displaying the inputs, transmitting them for additional processing, or using
them in conjunction with artificial intelligence
Answer:
Sensors
Q: Measurements of some physical property. Data has values, a time and location. There are
fixed and mobile sensors.
Answer:
Sensor data
Q: Device that converts an electrical signal into a corresponding physical quantity such as
movement, force, or sound
Answer:
Actuator
Q: Simple networked devices such as sensors and actuators that are installed close to the data
source or control interfaces. Usually connected via 3G, 4G, 5G, Wi-Fi, PCIe, USB or Ethernet
within an edge computing application scenario.
Answer:
IoT devices
Q: A process of data aggregation, manipulation, bandwidth reduction, and other logic directly
on an IoT sensor or device
Answer:
Edge processing
Q: Part of a network which is concerned with moving data to and from a sensor or edge device
to a backhaul network
Answer:
Access network
Q: Building block used to move collected data (from sensors) to the central IoT platform.
Answer:
Gateway
Q: Lower than 1 GHz, 868 MHz in EU called ISM (Industrial, Scientific, and Medicine) band,
USA 915 MHz
Several techs that use this band are Sigfox, LoRaWAN, and Weightless
LPWANs have lower data rates compared to normal cellular ones
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WGU D337 (Latest 2024/ 2025) Internet of
Things (IoT) and Infrastructure Quiz Bank|
300+ Questions and Verified Answers| 100%
Correct| Grade A
Q: A university is deploying a smart energy solution to its student dormitories and needs to
collect power usage data for billing purposes.
Which device should this university use? A) Power measurement and control (PMC)
B) Smart meter (SM)
C) Intelligent energy device (IED)
D) Phasor measurement unit (PMU)
Answer:
B
Q: A city plans for an Intelligent Transport System (ITS) that monitors public transport
locations, as well as accidents and congestions, to control traffic lights effectively.
Which two items should be used to gather information for the system? Choose 2 answers.
- GPS devices
- Smart CCTV cameras
- Smart meters
- Intraocular devices
A) 1, 2
B) 1, 3
C) 2, 3
D) 3, 4
Answer:
A
Q: An electric utility company needs to increase the speed of the collection and improve the
accuracy of the information it manually collects from its meters. The meters are located in the
back of residential dwellings.
Which solution meets both requirements?
A) Move meters to the front of every building
B) Have another person verify the data from the meters
C) Install a sensor on meters that can transmit data to a receiver
D) Change the analog meters to a digital display
Answer:
C
Q: Which IoT device is used in a smart building to determine when rooms are in use?
A) Humidity device B) Thermo device C) Smart speaker D) Smart light
Answer:
D
Q: Which IoT device can improve emergency responses by monitoring a user’s activities at
home?
A) Camera
B) Companion robot
C) Air tag
D) Compressor
Answer:
B
Q: Which type of IoT detection sensor built into electric bulbs minimizes energy usage?
A) Humidity
B) Light
C) Vibration
D) Motion
Answer:
D
Q: A company plans to adopt IoT into its business operations and then go public. The company
is concerned about the financial and reputational impact of increasing the volume of personally
identifiable information (PII) that might inadvertently be exposed, which would affect the value
of its stock.
Which two considerations should be addressed as part of the adoption strat- egy?
Choose 2 answers.
- Governance
- Privacy
- Security
- Standardization
A) 1, 2
B) 1, 3
C) 2, 3
D) 3, 4
Answer:
C
Q: Which two technology areas affect the networking requirements within the customer IoT
landscape?
Choose 2 answers. - Smart roads
- Smart home
- Sonography
- Wearables
A) 2, 4
B) 1, 2
C) 2, 3
D) 1, 3
Answer:
A
Q: How does the processing of IoT data in the cloud change when transition- ing from the
Lambda architecture to Kappa architecture?
A) The batch layer is removed.
B) The streaming layer is removed.
C) The batch layer replaces the serving layer.
D) The streaming layer replaces the serving layer.
Answer:
A
Q: Which component in the Lambda architecture acts as the streaming layer in a streaming
processing system?
A) Real-time engine
B) Batch engine
C) Serving back-end
D) Data storage
Answer:
A
Q: Which task does an information consumer perform within an IoT ecosys- tem?
A) Collects data from their sensors and shares it based on terms and condi- tions
B) Builds applications that use data from various sources after obtaining consent
C) Identifies risks by communicating with the data owner for risk management D) Maintains
backups of the data collected from the sensors for disaster recovery
Answer:
B
Q: Which vulnerability do IoT botnets target on IoT devices by applying data found on the
internet?
A) Unencrypted communications
B) Default credentials C) Cleartext passwords D) Exposed sensors
Answer:
B
Q: Which two stakeholder groups contribute to addressing the challenges of
IoT security? Choose 2 answers.
- Governments
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Q: A university is deploying a smart energy solution to its student dormitories and needs to
collect power usage data for billing purposes. Which device should this university use?
Answer:
Smart meter (SM)
Q: A city plans for an Intelligent Transport System (ITS) that monitors public transport
locations, as well as accidents and congestions, to control traffic lights effectively. Which two
items should be used to gather information for the system? Choose 2 answers
Answer:
GPS devices, Smart CCTV cameras
Q: An electric utility company needs to increase the speed of the collection and improve the
accuracy of the information it manually collects from its meters. The meters are located in the
back of residential dwellings. Which solution meets both requirements?
Answer:
Install a sensor on meters that can transmit data to a receiver
Q: Which IoT device is used in a smart building to determine when rooms are in use?
Answer:
Smart light
WGU D337 Pre- Assessment (Latest 2024/
2025) Internet of Things (IoT) and
Infrastructure| Questions and Verified
Answers| 100% Correct| Grade A
Q: Which IoT device can improve emergency responses by monitoring a user’s activities at
home?
Answer:
Companion robot
Q: Which type of IoT detection sensor built into electric bulbs minimizes energy usage?
Answer:
Motion
Q: A company plans to adopt IoT into its business operations and then go public. The company
is concerned about the financial and reputational impact of increasing the volume of personally
identifiable information (PII) that might inadvertently be exposed, which would affect the value
of its stock. Which two considerations should be addressed as part of the adoption strategy?
Choose
2 answers.
Answer:
Privacy, Security
Q: Which task does an information consumer perform within an IoT ecosys- tem?
Answer:
Builds applications that use data from various sources after obtaining consent
Q: How does the processing of IoT data in the cloud change when transition- ing from the
Lambda architecture to Kappa architecture?
Answer:
The batch layer is removed.
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