(WGU D337) PRE-ASSESSMENT QUESTIONS
(COMPUTER SCIENCE) EXAM QUESTIONS
WITH CORRECT ANSWERS GRADED A+
"Which feature characterizes a wireless local area network (WLAN) in an IoT
architecture?
Limit of battery life of one year
Limit of data rate of 1 KB
Support for FireWire protocol
Support for line-of-sight communication"
ANS--"Limit of data rate of 1 KB"
"What is the result of switching from the industrial scientific, and medical
(ISM) frequency above 1 GHz to the ISM frequency below 1 GHz?
Lower cost
Longer range
Higher data rate
Shorter battery life",
ANS--"Longer range"
Page 1 of 28
,"What is a short-range network technology that supports meshing?
Zigbee
Bluetooth
Sigfox
Weightless"
ANS--"Zigbee"
"Which two components provide the connectivity for an IoT architecture?
Choose 2 answers.
Access network
Gateway
Sensor
Edge device"
ANS--"Access network,Gateway"
"A university is testing a smart energy solution and requires a system to monitor
the following parameters of power used by its buildings:
• voltage
• phase
• apparent power
Page 2 of 28
, • power factor
• frequency
Which device should be used to perform these readings?
Intelligent energy device (IED)
Smart meter (SM)
Power measurement and control (PMC)
Phasor measurement unit (PMU)"
ANS--"Power measurement and control (PMC)"
"Which building block is used to move collected IoT data to the central IoT
platform?
Edge compute
Application
Gateway
Smart device"
ANS--"Gateway"
"What is the function of soil moisture sensors in a smart agriculture ecosystem?
Capturing soil moisture metrics
Processing soil moisture metrics
Page 3 of 28
(COMPUTER SCIENCE) EXAM QUESTIONS
WITH CORRECT ANSWERS GRADED A+
"Which feature characterizes a wireless local area network (WLAN) in an IoT
architecture?
Limit of battery life of one year
Limit of data rate of 1 KB
Support for FireWire protocol
Support for line-of-sight communication"
ANS--"Limit of data rate of 1 KB"
"What is the result of switching from the industrial scientific, and medical
(ISM) frequency above 1 GHz to the ISM frequency below 1 GHz?
Lower cost
Longer range
Higher data rate
Shorter battery life",
ANS--"Longer range"
Page 1 of 28
,"What is a short-range network technology that supports meshing?
Zigbee
Bluetooth
Sigfox
Weightless"
ANS--"Zigbee"
"Which two components provide the connectivity for an IoT architecture?
Choose 2 answers.
Access network
Gateway
Sensor
Edge device"
ANS--"Access network,Gateway"
"A university is testing a smart energy solution and requires a system to monitor
the following parameters of power used by its buildings:
• voltage
• phase
• apparent power
Page 2 of 28
, • power factor
• frequency
Which device should be used to perform these readings?
Intelligent energy device (IED)
Smart meter (SM)
Power measurement and control (PMC)
Phasor measurement unit (PMU)"
ANS--"Power measurement and control (PMC)"
"Which building block is used to move collected IoT data to the central IoT
platform?
Edge compute
Application
Gateway
Smart device"
ANS--"Gateway"
"What is the function of soil moisture sensors in a smart agriculture ecosystem?
Capturing soil moisture metrics
Processing soil moisture metrics
Page 3 of 28
