WGU D337 OBJECTIVE ASSESSMENT INTERNET OF
THINGS AND INFRASTRUCTURE NEWEST 2026/2027
EXAM TEST BANK 400+ QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
1. Which two stakeholder groups contribute to addressing the challenges of IoT security?
Choose 2 answers.
1. Governments
2. Universities
3. Standards development bodies
4. Law enforcement organizations
A) 2, 3
B) 1, 2
C) 1, 3
D) 1, 4- CORRECT ANSWER ✔✔- C
2. What is the main difference between the internet and the web?
A) The internet is a global network of wired and wireless networks, while the web is an
information space consisting of public resources linked together and accessible via the
internet
B) The internet is a digital currency platform, while the web is a global network of wired and
wireless networks
C) The internet is an information space consisting of public resources, while the web is a
network of interconnected computers, servers, routers, switches, and fiber-optic cables
D) The internet is a network of people who manage data, while the web is a combination of
hardware, software, and networks that collect, process, store, and distribute data-
PG. 1
, CORRECT ANSWER ✔✔- A
3. What are some ways in which IoT devices may connect with the internet?
A) Using communication technologies such as Wi-Fi, Bluetooth, cellular net- works, and LP-
WANs
B) Relying exclusively on wired connections
C) Utilizing smart environment application architectures
D) Implementing hybrid data architecture networks- CORRECT ANSWER ✔✔- A
4. What are the requirements of a hybrid data architecture network?
A) To support multiple types of data storage, processing, and analytics while integrating
various data sources and tools
B) To rely solely on wired connections for device communication
C) To focus on reducing the functionality of devices
D) To eliminate the need for physical devices- CORRECT ANSWER ✔✔- A
5. 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- CORRECT ANSWER ✔✔- C
6. What is the function of soil moisture sensors in a smart agriculture ecosys- tem?
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- CORRECT ANSWER ✔✔- A
7. What moves data from IoT sensor devices to a central network?
PG. 2
, A) Gateway
B) Actuator
C) Application server
D) Proxy server- CORRECT ANSWER ✔✔- A
8. 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- CORRECT ANSWER ✔✔- D
9. Which building block of the IoT architecture is responsible for collecting raw data generated
by the monitored entity?
A) Actuator
B) Gateway
C) Processor
D) Sensor- CORRECT ANSWER ✔✔- D
10. 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- CORRECT ANSWER ✔✔- D
11. 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- CORRECT ANSWER ✔✔- B
PG. 3
, 12. What is a short-range network technology that supports meshing?
A) Zigbee
B) Bluetooth
C) Sigfox
D) Weightless- CORRECT ANSWER ✔✔- A
13. Which two components provide the connectivity for an IoT architecture? Choose 2
answers.
1. Access network
2. Gateway
3. Sensor
4. Edge device
A) 1, 3
B) 2, 3
C) 1, 2
D) 2, 4- CORRECT ANSWER ✔✔- C
14. 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- CORRECT ANSWER ✔✔- A
15. Which two processor architectures are used by Customer Premises Edge Compute (C-PEC)
devices?
Choose 2 answers.
1. x86
2. MIPS
3. ARM
PG. 4
THINGS AND INFRASTRUCTURE NEWEST 2026/2027
EXAM TEST BANK 400+ QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A+
1. Which two stakeholder groups contribute to addressing the challenges of IoT security?
Choose 2 answers.
1. Governments
2. Universities
3. Standards development bodies
4. Law enforcement organizations
A) 2, 3
B) 1, 2
C) 1, 3
D) 1, 4- CORRECT ANSWER ✔✔- C
2. What is the main difference between the internet and the web?
A) The internet is a global network of wired and wireless networks, while the web is an
information space consisting of public resources linked together and accessible via the
internet
B) The internet is a digital currency platform, while the web is a global network of wired and
wireless networks
C) The internet is an information space consisting of public resources, while the web is a
network of interconnected computers, servers, routers, switches, and fiber-optic cables
D) The internet is a network of people who manage data, while the web is a combination of
hardware, software, and networks that collect, process, store, and distribute data-
PG. 1
, CORRECT ANSWER ✔✔- A
3. What are some ways in which IoT devices may connect with the internet?
A) Using communication technologies such as Wi-Fi, Bluetooth, cellular net- works, and LP-
WANs
B) Relying exclusively on wired connections
C) Utilizing smart environment application architectures
D) Implementing hybrid data architecture networks- CORRECT ANSWER ✔✔- A
4. What are the requirements of a hybrid data architecture network?
A) To support multiple types of data storage, processing, and analytics while integrating
various data sources and tools
B) To rely solely on wired connections for device communication
C) To focus on reducing the functionality of devices
D) To eliminate the need for physical devices- CORRECT ANSWER ✔✔- A
5. 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- CORRECT ANSWER ✔✔- C
6. What is the function of soil moisture sensors in a smart agriculture ecosys- tem?
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- CORRECT ANSWER ✔✔- A
7. What moves data from IoT sensor devices to a central network?
PG. 2
, A) Gateway
B) Actuator
C) Application server
D) Proxy server- CORRECT ANSWER ✔✔- A
8. 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- CORRECT ANSWER ✔✔- D
9. Which building block of the IoT architecture is responsible for collecting raw data generated
by the monitored entity?
A) Actuator
B) Gateway
C) Processor
D) Sensor- CORRECT ANSWER ✔✔- D
10. 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- CORRECT ANSWER ✔✔- D
11. 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- CORRECT ANSWER ✔✔- B
PG. 3
, 12. What is a short-range network technology that supports meshing?
A) Zigbee
B) Bluetooth
C) Sigfox
D) Weightless- CORRECT ANSWER ✔✔- A
13. Which two components provide the connectivity for an IoT architecture? Choose 2
answers.
1. Access network
2. Gateway
3. Sensor
4. Edge device
A) 1, 3
B) 2, 3
C) 1, 2
D) 2, 4- CORRECT ANSWER ✔✔- C
14. 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- CORRECT ANSWER ✔✔- A
15. Which two processor architectures are used by Customer Premises Edge Compute (C-PEC)
devices?
Choose 2 answers.
1. x86
2. MIPS
3. ARM
PG. 4
