D337 - Internet of Things and
Infrastructure Final Exam and All
Correct Answers 2025-2026 Updated.
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
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
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
,A) Actuator
B) Gateway
C) Processor
D) Sensor - Answer D
Which feature characterizes a wireless local area network (WLAN) in an IoT architecture?
A) Limit of battery life of one year
B) Limit of data rate of 1 KB
C) Support for FireWire protocol
D) Support for line-of-sight communication - Answer D
What is the result of switching from the industrial, scientific, and medical (ISM) frequency above
1 GHz to the ISM frequency below 1 GHz?
A) Lower cost
B) Longer range
C) Higher data rate
D) Shorter battery life - Answer B
What is a short-range network technology that supports meshing?
A) Zigbee
B) Bluetooth
C) Sigfox
D) Weightless - Answer A
Which two components provide the connectivity for an IoT architecture?
Choose 2 answers.
,A) 1, 3
B) 2, 3
C) 1, 2
D) 2, 4 - Answer C
What is the function of the customer edge device in the four-node edge computing model?
A) Provides limited local storage and processing capabilities
B) Performs data aggregation and reduces transmission costs
C) Performs measurements and provides telemetry
D) Provides powerful storage and processing capabilities - Answer A
Which two processor architectures are used by Customer Premises Edge Compute (C-PEC)
devices?
Choose 2 answers.
1. x86
2. MIPS
3. ARM
4. Itanium
A) 1, 3
B) 1, 2
C) 2, 3
D) 3, 4 - Answer A
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
, 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
- 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)
C) Intelligent energy device (IED)
D) Phasor measurement unit (PMU) - Answer B
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.
Infrastructure Final Exam and All
Correct Answers 2025-2026 Updated.
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
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
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
,A) Actuator
B) Gateway
C) Processor
D) Sensor - Answer D
Which feature characterizes a wireless local area network (WLAN) in an IoT architecture?
A) Limit of battery life of one year
B) Limit of data rate of 1 KB
C) Support for FireWire protocol
D) Support for line-of-sight communication - Answer D
What is the result of switching from the industrial, scientific, and medical (ISM) frequency above
1 GHz to the ISM frequency below 1 GHz?
A) Lower cost
B) Longer range
C) Higher data rate
D) Shorter battery life - Answer B
What is a short-range network technology that supports meshing?
A) Zigbee
B) Bluetooth
C) Sigfox
D) Weightless - Answer A
Which two components provide the connectivity for an IoT architecture?
Choose 2 answers.
,A) 1, 3
B) 2, 3
C) 1, 2
D) 2, 4 - Answer C
What is the function of the customer edge device in the four-node edge computing model?
A) Provides limited local storage and processing capabilities
B) Performs data aggregation and reduces transmission costs
C) Performs measurements and provides telemetry
D) Provides powerful storage and processing capabilities - Answer A
Which two processor architectures are used by Customer Premises Edge Compute (C-PEC)
devices?
Choose 2 answers.
1. x86
2. MIPS
3. ARM
4. Itanium
A) 1, 3
B) 1, 2
C) 2, 3
D) 3, 4 - Answer A
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
, 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
- 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)
C) Intelligent energy device (IED)
D) Phasor measurement unit (PMU) - Answer B
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.
