WGU D337 Internet Of Things And
Infrastructure OA EXAM STUDY GUIDE
2026/2027 ACCURATE QUESTIONS WITH
CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS
<RECENT VERSION>
1. 1st wave of IoT - ANSWER ✔ Hardware breakthrough that aimed to
connect everyday objects to a network
2. 2nd wave of IoT - ANSWER ✔ Developing new types of sensors and new
technologies and protocols to support their deployment
3. 3rd wave of IoT - ANSWER ✔ Data collection, processing, and security
4. IoT ecosystem - ANSWER ✔ Set of stakeholders that participate in the
deployment of IoT technology and the relationship between them
5. Information provider - ANSWER ✔ Owners of sensor deployments.
Collects and makes data available to others without giving up ownership
rights of the information.
They also build dedicated services or applications.
,6. Platform provider - ANSWER ✔ Provides computing and storage
infrastructure, analytics as well as AI capabilities
7. FDA (Food and Drug Administration) - ANSWER ✔ Federal agency of the
department of health and human services
8. NCCoE (National Cybersecurity Center of Excellence) - ANSWER ✔ a US
government organization that builds and publicly shares solutions to
cybersecurity problems faced by businesses in the US
9. IoE (Internet of Everything) - ANSWER ✔ Concept that extends the internet
of things (IoT) emphasis on machine-to-machine (M2M) communications to
describe a more complex system that also encompasses people and processes
10.NIST CSF (National Institute of Standards and Technology Cybersecurity
Framework) - ANSWER ✔ Intends to provide direction and guidance to
organizations seeking to improve cybersecurity risk management.
11.NSA (National Security Agency) - ANSWER ✔ A national-level
intelligence agency of the US department of defense under the authority of
the director of national intelligence
12.VEP (Vulnerabilities Equities Process) - ANSWER ✔ A process used by the
US federal government to determine on a case-by-case basis how it should
treat zero-day computer security vulnerabilities
13.Which approach can be used in cybersecurity to achieve perimeter defense?
- ANSWER ✔ Firewalls
,14.AQL (Archetype Query Language) - ANSWER ✔ A declarative query
language developed specifically for expressing queries used for searching
and retrieving data found in archetype-based repositories
Used to search data inside openEHR repositories.
15.EHR (Electronic Health Record) - ANSWER ✔ The electronic, systematized
collection of patient and population health information stored in a digital
format that can be shared across different healthcare settings
16.ICU (Intensive Care Unit) - ANSWER ✔ Specialized hospital ward that
provides treatment and monitoring of people with life-threatening conditions
17.LIS (Laboratory Information Systems) - ANSWER ✔ Software-based
solution with features that support a modern laboratory's operations
18.Consortium/Federated DLT - ANSWER ✔ Permissioned network shared
across multiple organizations. Can be supervised or self-regulated.
19.Four key features of Blockchain - ANSWER ✔ Decentralization,
Immutability, Auditability, Fault tolerance and resilience
20.Hash pointer - ANSWER ✔ points to where the last block in the blockchain
is. Has a cryptographic hash for validation and prevents alteration
21.Required to send information between blockchain notes - ANSWER ✔
public-private key pair
, 22.What is the purpose of the consensus mechanism enabled through
blockchain when collecting the same signals from multiple IoT sensors?
A) Ensuring that data from each sensor is treated equally
B) Providing a single version of the truth across all sensor data
C) Identifying a single sensor with the most accurate data
D) Verifying data from sensors by a central authority - ANSWER ✔ B
23.Which blockchain feature in an IoT application ensures that a transaction is
tamperproof once it is validated?
A) Decentralization
B) Immutability
C) Auditability
D) Resilience - ANSWER ✔ B
24.Which ethical issue do customers encounter when using social media
platforms from their wearable IoT devices to update people about activities?
A) Utilizing freedom of expression at the expense of their privacy
B) Determining who can purchase their demographic information
C) Ensuring personally identifiable information being stored is secure
D) Making sure information is not saved locally in plain text - ANSWER
✔A
25.A manufacturer of proprietary IoT technology is trying to pressure a
company into using its technology.
Infrastructure OA EXAM STUDY GUIDE
2026/2027 ACCURATE QUESTIONS WITH
CORRECT DETAILED ANSWERS ||
100% GUARANTEED PASS
<RECENT VERSION>
1. 1st wave of IoT - ANSWER ✔ Hardware breakthrough that aimed to
connect everyday objects to a network
2. 2nd wave of IoT - ANSWER ✔ Developing new types of sensors and new
technologies and protocols to support their deployment
3. 3rd wave of IoT - ANSWER ✔ Data collection, processing, and security
4. IoT ecosystem - ANSWER ✔ Set of stakeholders that participate in the
deployment of IoT technology and the relationship between them
5. Information provider - ANSWER ✔ Owners of sensor deployments.
Collects and makes data available to others without giving up ownership
rights of the information.
They also build dedicated services or applications.
,6. Platform provider - ANSWER ✔ Provides computing and storage
infrastructure, analytics as well as AI capabilities
7. FDA (Food and Drug Administration) - ANSWER ✔ Federal agency of the
department of health and human services
8. NCCoE (National Cybersecurity Center of Excellence) - ANSWER ✔ a US
government organization that builds and publicly shares solutions to
cybersecurity problems faced by businesses in the US
9. IoE (Internet of Everything) - ANSWER ✔ Concept that extends the internet
of things (IoT) emphasis on machine-to-machine (M2M) communications to
describe a more complex system that also encompasses people and processes
10.NIST CSF (National Institute of Standards and Technology Cybersecurity
Framework) - ANSWER ✔ Intends to provide direction and guidance to
organizations seeking to improve cybersecurity risk management.
11.NSA (National Security Agency) - ANSWER ✔ A national-level
intelligence agency of the US department of defense under the authority of
the director of national intelligence
12.VEP (Vulnerabilities Equities Process) - ANSWER ✔ A process used by the
US federal government to determine on a case-by-case basis how it should
treat zero-day computer security vulnerabilities
13.Which approach can be used in cybersecurity to achieve perimeter defense?
- ANSWER ✔ Firewalls
,14.AQL (Archetype Query Language) - ANSWER ✔ A declarative query
language developed specifically for expressing queries used for searching
and retrieving data found in archetype-based repositories
Used to search data inside openEHR repositories.
15.EHR (Electronic Health Record) - ANSWER ✔ The electronic, systematized
collection of patient and population health information stored in a digital
format that can be shared across different healthcare settings
16.ICU (Intensive Care Unit) - ANSWER ✔ Specialized hospital ward that
provides treatment and monitoring of people with life-threatening conditions
17.LIS (Laboratory Information Systems) - ANSWER ✔ Software-based
solution with features that support a modern laboratory's operations
18.Consortium/Federated DLT - ANSWER ✔ Permissioned network shared
across multiple organizations. Can be supervised or self-regulated.
19.Four key features of Blockchain - ANSWER ✔ Decentralization,
Immutability, Auditability, Fault tolerance and resilience
20.Hash pointer - ANSWER ✔ points to where the last block in the blockchain
is. Has a cryptographic hash for validation and prevents alteration
21.Required to send information between blockchain notes - ANSWER ✔
public-private key pair
, 22.What is the purpose of the consensus mechanism enabled through
blockchain when collecting the same signals from multiple IoT sensors?
A) Ensuring that data from each sensor is treated equally
B) Providing a single version of the truth across all sensor data
C) Identifying a single sensor with the most accurate data
D) Verifying data from sensors by a central authority - ANSWER ✔ B
23.Which blockchain feature in an IoT application ensures that a transaction is
tamperproof once it is validated?
A) Decentralization
B) Immutability
C) Auditability
D) Resilience - ANSWER ✔ B
24.Which ethical issue do customers encounter when using social media
platforms from their wearable IoT devices to update people about activities?
A) Utilizing freedom of expression at the expense of their privacy
B) Determining who can purchase their demographic information
C) Ensuring personally identifiable information being stored is secure
D) Making sure information is not saved locally in plain text - ANSWER
✔A
25.A manufacturer of proprietary IoT technology is trying to pressure a
company into using its technology.
