Page 1 of 229
WGU D337 INTERNET OF THINGS AND
INFRASTRUCTURE PRACTICE EXAM Q&A
NEWLY MODIFIED
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
Which building block is used to move collected IoT data to the central IoT platform?
A) Edge compute
B) Application
C) Gateway
D) Smart device
--ANSWER--C
,Page 2 of 229
What is the function of soil moisture sensors in a smart agriculture ecosystem?
A) Capturing soil moisture metrics
B) Processing soil moisture metrics
C) Activating sprinklers based on low-soil-moisture metrics
D) Transmitting soil moisture metrics to a central network
--ANSWER--A
What moves data from IoT sensor devices to a central network?
A) Gateway
B) Actuator
C) Application server
D) Proxy server
--ANSWER--A
,Page 3 of 229
Which computation method processes data captured at the sensor device before sending it to
a backhaul network?
A) Data analytics
B) Data access
C) Cloud computing
D) Edge computing
--ANSWER--D
Which module in the edge computing framework is used to store IoT data received
from sensors or from the cloud? A) Protocol adapter
B) Information broker
C) Rules engine
D) Case specific
--ANSWER-- B
A university is testing a smart energy solution and requires a system to monitor the following
parameters of power used by its buildings:
- voltage
, Page 4 of 229
- phase
- apparent power
- power factor
- frequency
Which device should be used to perform these readings?
A) Intelligent energy device (IED)
B) Smart meter (SM)
C) Power measurement and control (PMC)
D) Phasor measurement unit (PMU)
--ANSWER--C
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)
WGU D337 INTERNET OF THINGS AND
INFRASTRUCTURE PRACTICE EXAM Q&A
NEWLY MODIFIED
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
Which building block is used to move collected IoT data to the central IoT platform?
A) Edge compute
B) Application
C) Gateway
D) Smart device
--ANSWER--C
,Page 2 of 229
What is the function of soil moisture sensors in a smart agriculture ecosystem?
A) Capturing soil moisture metrics
B) Processing soil moisture metrics
C) Activating sprinklers based on low-soil-moisture metrics
D) Transmitting soil moisture metrics to a central network
--ANSWER--A
What moves data from IoT sensor devices to a central network?
A) Gateway
B) Actuator
C) Application server
D) Proxy server
--ANSWER--A
,Page 3 of 229
Which computation method processes data captured at the sensor device before sending it to
a backhaul network?
A) Data analytics
B) Data access
C) Cloud computing
D) Edge computing
--ANSWER--D
Which module in the edge computing framework is used to store IoT data received
from sensors or from the cloud? A) Protocol adapter
B) Information broker
C) Rules engine
D) Case specific
--ANSWER-- B
A university is testing a smart energy solution and requires a system to monitor the following
parameters of power used by its buildings:
- voltage
, Page 4 of 229
- phase
- apparent power
- power factor
- frequency
Which device should be used to perform these readings?
A) Intelligent energy device (IED)
B) Smart meter (SM)
C) Power measurement and control (PMC)
D) Phasor measurement unit (PMU)
--ANSWER--C
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)
