WGU C836 FUNDAMENTALS OF INFORMATION
SECURITY EXAMS NEWEST 2026 PACKAGE DEAL|
DIFFERENT VERSIONS WITH COMPLETE REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| WGU C836/ D430 EXAM PREP
(MOST RECENT!!)
1. Which of the following best defines the "Confidentiality"
principle of the CIA triad?
A) Ensuring data is accurate and unaltered
B) Ensuring data is available when needed
C) Ensuring data is accessible only to authorized users
D) Ensuring data is backed up regularly
Correct Answer: C) Ensuring data is accessible only to
authorized users
Rationale: Confidentiality ensures that data is protected from
unauthorized access. This is achieved through encryption, access
controls, and authentication mechanisms.
1
,2. A company wants to ensure that a contract document has
not been altered since it was signed. Which security principle
is being addressed?
A) Confidentiality
B) Integrity
C) Availability
D) Authentication
Correct Answer: B) Integrity
Rationale: Integrity ensures that data has not been modified or
altered without authorization. Hashing and digital signatures are
used to verify integrity.
3. A server must remain operational during a natural disaster.
Which principle is most directly concerned with this
requirement?
A) Confidentiality
B) Integrity
C) Availability
D) Non-repudiation
2
,Correct Answer: C) Availability
Rationale: Availability ensures systems and data are accessible
when needed by authorized users. Redundancy, backups, and
disaster recovery plans support availability.
4. An employee denies sending a threatening email. The
security team uses digital signatures to prove the email
originated from the employee's account. Which security goal
is being enforced?
A) Confidentiality
B) Integrity
C) Availability
D) Non-repudiation
Correct Answer: D) Non-repudiation
Rationale: Non-repudiation prevents an individual from denying
an action. Digital signatures and audit logs provide proof of
origin or receipt.
3
, 5. Which type of attack directly violates the principle of
availability?
A) Eavesdropping
B) Man-in-the-middle attack
C) Denial-of-service (DoS) attack
D) Phishing attack
Correct Answer: C) Denial-of-service (DoS) attack
Rationale: DoS attacks flood systems with traffic, making
resources unavailable to legitimate users, directly violating
availability.
6. A user is required to provide a password and a fingerprint
scan to access a secure facility. This is an example of:
A) Single-factor authentication
B) Two-factor authentication
C) Three-factor authentication
D) Biometric-only authentication
Correct Answer: B) Two-factor authentication
Rationale: Two-factor authentication uses two different
4
SECURITY EXAMS NEWEST 2026 PACKAGE DEAL|
DIFFERENT VERSIONS WITH COMPLETE REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| WGU C836/ D430 EXAM PREP
(MOST RECENT!!)
1. Which of the following best defines the "Confidentiality"
principle of the CIA triad?
A) Ensuring data is accurate and unaltered
B) Ensuring data is available when needed
C) Ensuring data is accessible only to authorized users
D) Ensuring data is backed up regularly
Correct Answer: C) Ensuring data is accessible only to
authorized users
Rationale: Confidentiality ensures that data is protected from
unauthorized access. This is achieved through encryption, access
controls, and authentication mechanisms.
1
,2. A company wants to ensure that a contract document has
not been altered since it was signed. Which security principle
is being addressed?
A) Confidentiality
B) Integrity
C) Availability
D) Authentication
Correct Answer: B) Integrity
Rationale: Integrity ensures that data has not been modified or
altered without authorization. Hashing and digital signatures are
used to verify integrity.
3. A server must remain operational during a natural disaster.
Which principle is most directly concerned with this
requirement?
A) Confidentiality
B) Integrity
C) Availability
D) Non-repudiation
2
,Correct Answer: C) Availability
Rationale: Availability ensures systems and data are accessible
when needed by authorized users. Redundancy, backups, and
disaster recovery plans support availability.
4. An employee denies sending a threatening email. The
security team uses digital signatures to prove the email
originated from the employee's account. Which security goal
is being enforced?
A) Confidentiality
B) Integrity
C) Availability
D) Non-repudiation
Correct Answer: D) Non-repudiation
Rationale: Non-repudiation prevents an individual from denying
an action. Digital signatures and audit logs provide proof of
origin or receipt.
3
, 5. Which type of attack directly violates the principle of
availability?
A) Eavesdropping
B) Man-in-the-middle attack
C) Denial-of-service (DoS) attack
D) Phishing attack
Correct Answer: C) Denial-of-service (DoS) attack
Rationale: DoS attacks flood systems with traffic, making
resources unavailable to legitimate users, directly violating
availability.
6. A user is required to provide a password and a fingerprint
scan to access a secure facility. This is an example of:
A) Single-factor authentication
B) Two-factor authentication
C) Three-factor authentication
D) Biometric-only authentication
Correct Answer: B) Two-factor authentication
Rationale: Two-factor authentication uses two different
4
