WGU D337 OBJECTIVE ASSESSMENT INTERNET OF THINGS AND
INFRASTRUCTURE NEWEST 2024 EXAM 300 QUESTIONS AND
CORRECT DETAILED ANSWERS(GRADED A+)
Which task does an information consumer perform within an IoT ecosystem? - (correct answer) Builds applications
that use data from various sources after obtaining consent
How does the processing of IoT data in the cloud change when transitioning from the Lambda architecture to Kappa
architecture? - (correct answer) The batch layer is removed.
Which component in the Lambda architecture acts as the streaming layer in a streaming processing system? -
(correct answer) Real-time engine
Which two technology areas affect the networking requirements within the customer IoT landscape? Choose 2 answers.
- (correct answer) Smart home, Wearables
Which vulnerability do IoT botnets target on IoT devices by applying data found on the internet? - (correct answer)
Default credentials
Which two stakeholder groups contribute to addressing the challenges of IoT security? Choose 2 answers. - (correct
answer) Governments, Standards development bodies
Which two issues can result from global deployment of insecurely configured IoT devices? Choose 2 answers. -
(correct answer) Devices are compromised to provide fake data, Devices are compromised to form botnets
Which type of malware creates a network of remotely controlled IoT devices unknown to the owners? - (correct
answer) Botnet
What enables IoT devices to be infected by the Mirai malware? - (correct answer) Default passwords
A company develops a small tracker to be used in parcels to track progress via Global Positioning System (GPS). Testing
reveals that the tracker has a Joint Test Action Group (JTAG) port on the circuit board that can be used to overwrite the
firmware on the tracker and provide false location data. Which two Internet of Things Security Foundation (IoTSF) Best
Practice Guidelines (BPGs) should this company follow in its design process to ensure security from these forms of
attack? Choose 2 answers. - (correct answer) Device secure boot, Physical security
Which building block is used to move collected IoT data to the central IoT platform? - (correct answer) Gateway
What is the function of soil moisture sensors in a smart agriculture ecosystem? - (correct answer) Capturing soil
moisture metrics
What moves data from IoT sensor devices to a central network? - (correct answer) Gateway
Which computation method processes data captured at the sensor device before sending it to a backhaul network? -
(correct answer) Edge computing
Which building block of the IoT architecture is responsible for collecting raw data generated by the monitored entity? -
(correct answer) Sensor
What is the function of the customer edge device in the four-node edge computing model? - (correct answer)
Provides limited local storage and processing capabilities
, Which two processor architectures are used by Customer Premises Edge Compute (C-PEC) devices? - (correct
answer) x86, ARM
Which module in the edge computing framework is used to store IoT data received from sensors or from the cloud? -
(correct answer) Information broker
Which feature characterizes a wireless local area network (WLAN) in an IoT architecture? - (correct answer)
Support for line-of-sight communication
What is the result of switching from the industrial, scientific, and medical (ISM) frequency above 1 GHz to the ISM
frequency below 1 GHz? - (correct answer) Longer range
What is a short-range network technology that supports meshing? - (correct answer) Zigbee
Which two components provide the connectivity for an IoT architecture? Choose 2 answers. - (correct answer)
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
power factor
frequency
Which device should be used to perform these readings? - (correct answer) Power measurement and control (PMC)
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? - (correct answer) Smart meter (SM)
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 - (correct answer) GPS devices, Smart CCTV cameras
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? - (correct answer) Install a sensor on meters that can transmit data to a receiver
Which IoT device is used in a smart building to determine when rooms are in use? - (correct answer) Smart light
Which IoT device can improve emergency responses by monitoring a user's activities at home? - (correct answer)
Companion robot
Which type of IoT detection sensor built into electric bulbs minimizes energy usage? - (correct answer) Motion
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. - (correct answer) Privacy, Security
A company develops an IoT-based security system. The system uses proximity sensors that communicate with a central
gateway using a 433 MHZ radio signal. Testing reveals that the traffic can be sniffed with a software-defined radio, and
INFRASTRUCTURE NEWEST 2024 EXAM 300 QUESTIONS AND
CORRECT DETAILED ANSWERS(GRADED A+)
Which task does an information consumer perform within an IoT ecosystem? - (correct answer) Builds applications
that use data from various sources after obtaining consent
How does the processing of IoT data in the cloud change when transitioning from the Lambda architecture to Kappa
architecture? - (correct answer) The batch layer is removed.
Which component in the Lambda architecture acts as the streaming layer in a streaming processing system? -
(correct answer) Real-time engine
Which two technology areas affect the networking requirements within the customer IoT landscape? Choose 2 answers.
- (correct answer) Smart home, Wearables
Which vulnerability do IoT botnets target on IoT devices by applying data found on the internet? - (correct answer)
Default credentials
Which two stakeholder groups contribute to addressing the challenges of IoT security? Choose 2 answers. - (correct
answer) Governments, Standards development bodies
Which two issues can result from global deployment of insecurely configured IoT devices? Choose 2 answers. -
(correct answer) Devices are compromised to provide fake data, Devices are compromised to form botnets
Which type of malware creates a network of remotely controlled IoT devices unknown to the owners? - (correct
answer) Botnet
What enables IoT devices to be infected by the Mirai malware? - (correct answer) Default passwords
A company develops a small tracker to be used in parcels to track progress via Global Positioning System (GPS). Testing
reveals that the tracker has a Joint Test Action Group (JTAG) port on the circuit board that can be used to overwrite the
firmware on the tracker and provide false location data. Which two Internet of Things Security Foundation (IoTSF) Best
Practice Guidelines (BPGs) should this company follow in its design process to ensure security from these forms of
attack? Choose 2 answers. - (correct answer) Device secure boot, Physical security
Which building block is used to move collected IoT data to the central IoT platform? - (correct answer) Gateway
What is the function of soil moisture sensors in a smart agriculture ecosystem? - (correct answer) Capturing soil
moisture metrics
What moves data from IoT sensor devices to a central network? - (correct answer) Gateway
Which computation method processes data captured at the sensor device before sending it to a backhaul network? -
(correct answer) Edge computing
Which building block of the IoT architecture is responsible for collecting raw data generated by the monitored entity? -
(correct answer) Sensor
What is the function of the customer edge device in the four-node edge computing model? - (correct answer)
Provides limited local storage and processing capabilities
, Which two processor architectures are used by Customer Premises Edge Compute (C-PEC) devices? - (correct
answer) x86, ARM
Which module in the edge computing framework is used to store IoT data received from sensors or from the cloud? -
(correct answer) Information broker
Which feature characterizes a wireless local area network (WLAN) in an IoT architecture? - (correct answer)
Support for line-of-sight communication
What is the result of switching from the industrial, scientific, and medical (ISM) frequency above 1 GHz to the ISM
frequency below 1 GHz? - (correct answer) Longer range
What is a short-range network technology that supports meshing? - (correct answer) Zigbee
Which two components provide the connectivity for an IoT architecture? Choose 2 answers. - (correct answer)
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
power factor
frequency
Which device should be used to perform these readings? - (correct answer) Power measurement and control (PMC)
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? - (correct answer) Smart meter (SM)
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 - (correct answer) GPS devices, Smart CCTV cameras
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? - (correct answer) Install a sensor on meters that can transmit data to a receiver
Which IoT device is used in a smart building to determine when rooms are in use? - (correct answer) Smart light
Which IoT device can improve emergency responses by monitoring a user's activities at home? - (correct answer)
Companion robot
Which type of IoT detection sensor built into electric bulbs minimizes energy usage? - (correct answer) Motion
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. - (correct answer) Privacy, Security
A company develops an IoT-based security system. The system uses proximity sensors that communicate with a central
gateway using a 433 MHZ radio signal. Testing reveals that the traffic can be sniffed with a software-defined radio, and
