WGU D337 Internet of Things (IoT) and Infrastructure Exam
Questions and Verified Answers | Latest 2026/2027 Update |
100% Correct | Graded A+.
QUESTION
Technique in which the signal is transmitted on a bandwidth that is much bigger than the
original frequency to decrease interference and increase security
Answer:
Spread spectrum
QUESTION
based on LoRa protocol from Semtech. is asynchronous
and uses Spread spectrum.
Suitable for dense deployments such as buildings or cities.
Answer:
LoRaWAN
QUESTION
Named for company that owns it.
Used in Narrowband (200 kHz)
Suitable for dense deployments such as buildings or cities.
Answer:
SigFox
,QUESTION
Consists of three protocols, works on 2.4
Answer:
Weightless
QUESTION
Designed to be lower power consumption, increase system capacity, spectrum efficiency, and
range
Answer:
Narrow band Internet of Things (NB-IoT or LTE-M2)
QUESTION
LTE chips built for IoT, higher throughput and lower battery life than NB-IoT
Answer:
LTE-M
,QUESTION
QUESTION
Short-ranged network with meshing
Answer:
Zigbee
QUESTION
To support huge number of devices in future such as smart homes/buildings, smart
agriculture and asset tracking. Dense deployment.
Answer:
mMTC (Massive Machine Type Communications)
QUESTION
Computing devices installed on the customer's premises adjacent to their sensors, LAN, or IoT
devices
Answer:
C-PEC (Customer Premises Edge Compute)
Communications Service Provider
, QUESTION
Answer:
CSP
QUESTION
IoT-optimized GSM network, deployed with software upgrade
Answer:
Extended coverage
Mission critical use cases where low latency is vital such as industrial automation, remote
surgery, traffic safety and control, autonomous vehicles.
Answer:
URLLC (Ultra-Reliable Low-Latency Communication)
QUESTION
Component represents a comprehensive collection of tools that reduce the attack space
through measures such as identity access management (IAM), secure boot, device attestation,
TPMs, and trusted execution environments (TEEs)
Answer:
Secure Runtime Environment
Questions and Verified Answers | Latest 2026/2027 Update |
100% Correct | Graded A+.
QUESTION
Technique in which the signal is transmitted on a bandwidth that is much bigger than the
original frequency to decrease interference and increase security
Answer:
Spread spectrum
QUESTION
based on LoRa protocol from Semtech. is asynchronous
and uses Spread spectrum.
Suitable for dense deployments such as buildings or cities.
Answer:
LoRaWAN
QUESTION
Named for company that owns it.
Used in Narrowband (200 kHz)
Suitable for dense deployments such as buildings or cities.
Answer:
SigFox
,QUESTION
Consists of three protocols, works on 2.4
Answer:
Weightless
QUESTION
Designed to be lower power consumption, increase system capacity, spectrum efficiency, and
range
Answer:
Narrow band Internet of Things (NB-IoT or LTE-M2)
QUESTION
LTE chips built for IoT, higher throughput and lower battery life than NB-IoT
Answer:
LTE-M
,QUESTION
QUESTION
Short-ranged network with meshing
Answer:
Zigbee
QUESTION
To support huge number of devices in future such as smart homes/buildings, smart
agriculture and asset tracking. Dense deployment.
Answer:
mMTC (Massive Machine Type Communications)
QUESTION
Computing devices installed on the customer's premises adjacent to their sensors, LAN, or IoT
devices
Answer:
C-PEC (Customer Premises Edge Compute)
Communications Service Provider
, QUESTION
Answer:
CSP
QUESTION
IoT-optimized GSM network, deployed with software upgrade
Answer:
Extended coverage
Mission critical use cases where low latency is vital such as industrial automation, remote
surgery, traffic safety and control, autonomous vehicles.
Answer:
URLLC (Ultra-Reliable Low-Latency Communication)
QUESTION
Component represents a comprehensive collection of tools that reduce the attack space
through measures such as identity access management (IAM), secure boot, device attestation,
TPMs, and trusted execution environments (TEEs)
Answer:
Secure Runtime Environment
