WGU D430 Fundamentals of Information
Security Exam Reviewed Questions and
Answers Latest 2025/2026 GRADED A+
Define the confidentiality in the CIA triad. - CORRECT ANSWER-Our ability to protect
data from those who are not authorized to view it.
Examples of confidentiality - CORRECT ANSWER-A patron using an ATM card wants
to keep their PIN number confidential.
An ATM owner wants to keep bank account numbers confidential.
How can confidentiality be broken? - CORRECT ANSWER-Losing a laptop
An attacker gets access to info
A person can look over your shoulder
Define integrity in the CIA triad. - CORRECT ANSWER-The ability to prevent people
from changing your data and the ability to reverse unwanted changes.
How do you control integrity? - CORRECT ANSWER-Permissions restrict what users
can do (read, write, etc.)
, Examples of integrity - CORRECT ANSWER-Data used by a doctor to make medical
decisions needs to be correct or the patient can die.
Define the availability in the CIA triad. - CORRECT ANSWER-Our data needs to be
accessible when we need it.
How can availability be broken? - CORRECT ANSWER-Loss of power, application
problems. If caused by an attacker, this is a Denial of Service attack.
Define information security. - CORRECT ANSWER-The protection of information and
information systems from unauthorized access, use, disclosure, disruption,
modification, or destruction in order to provide confidentiality, integrity, and
availability.
Define the Parkerian Hexad and its principles. - CORRECT ANSWER-The Parkerian
Hexad includes confidentiality, integrity, and availability from the CIA triad. It also
includes possession (or control), authenticity, and utility.
Authenticity - CORRECT ANSWER-Whether the data in question comes from who or
where it says it comes from (i.e. did this person actually send this email?)
Confidentiality is affected by what type of attack? - CORRECT ANSWER-Interception
(eaves dropping)
Integrity is affected by what type of attacks? - CORRECT ANSWER-Interruption (assets
are unusable), modification (tampering with an asset), fabrication (generating false
data)
Authenticity is affected by what type of attacks? - CORRECT ANSWER-Interruption
(assets are unusable), modification (tampering with an asset), fabrication (generating
false data)
Security Exam Reviewed Questions and
Answers Latest 2025/2026 GRADED A+
Define the confidentiality in the CIA triad. - CORRECT ANSWER-Our ability to protect
data from those who are not authorized to view it.
Examples of confidentiality - CORRECT ANSWER-A patron using an ATM card wants
to keep their PIN number confidential.
An ATM owner wants to keep bank account numbers confidential.
How can confidentiality be broken? - CORRECT ANSWER-Losing a laptop
An attacker gets access to info
A person can look over your shoulder
Define integrity in the CIA triad. - CORRECT ANSWER-The ability to prevent people
from changing your data and the ability to reverse unwanted changes.
How do you control integrity? - CORRECT ANSWER-Permissions restrict what users
can do (read, write, etc.)
, Examples of integrity - CORRECT ANSWER-Data used by a doctor to make medical
decisions needs to be correct or the patient can die.
Define the availability in the CIA triad. - CORRECT ANSWER-Our data needs to be
accessible when we need it.
How can availability be broken? - CORRECT ANSWER-Loss of power, application
problems. If caused by an attacker, this is a Denial of Service attack.
Define information security. - CORRECT ANSWER-The protection of information and
information systems from unauthorized access, use, disclosure, disruption,
modification, or destruction in order to provide confidentiality, integrity, and
availability.
Define the Parkerian Hexad and its principles. - CORRECT ANSWER-The Parkerian
Hexad includes confidentiality, integrity, and availability from the CIA triad. It also
includes possession (or control), authenticity, and utility.
Authenticity - CORRECT ANSWER-Whether the data in question comes from who or
where it says it comes from (i.e. did this person actually send this email?)
Confidentiality is affected by what type of attack? - CORRECT ANSWER-Interception
(eaves dropping)
Integrity is affected by what type of attacks? - CORRECT ANSWER-Interruption (assets
are unusable), modification (tampering with an asset), fabrication (generating false
data)
Authenticity is affected by what type of attacks? - CORRECT ANSWER-Interruption
(assets are unusable), modification (tampering with an asset), fabrication (generating
false data)
