WGU D827/D430 FUNDAMENTALS OF INFORMATION SECURITY WESTERN GOVERNORS UNIVERSITY 2026 OBJECTIVE ASSESSMENT PRACTICE QUESTIONS WITH ANSWERS AND RATIONALES

WGU D827/D430 FUNDAMENTALS OF
INFORMATION SECURITY WESTERN
GOVERNORS UNIVERSITY 2026 OBJECTIVE
ASSESSMENT PRACTICE QUESTIONS WITH
ANSWERS AND RATIONALES
WGU D827/D430 OA Practice Exam (130 Questions)



Section 1: CIA Triad & Core Concepts (1–20)

1. What does the CIA Triad stand for?
A. Control, Integrity, Access
B. Confidentiality, Integrity, Availability
C. Cyber, Information, Access
D. Control, Information, Authorization
Answer: B
Rationale: The CIA Triad is the foundation of information security.



2. Confidentiality ensures:
A. Data is accurate
B. Data is accessible
C. Data is only accessible to authorized users
D. Data is backed up
Answer: C



3. Integrity ensures:
A. Data is unchanged and accurate
Answer: A



4. Availability ensures:
A. Systems are accessible when needed
Answer: A

, 5. Encryption primarily supports:
A. Availability
B. Confidentiality
C. Integrity
D. Authentication
Answer: B



6. Hashing is used to ensure:
A. Confidentiality
B. Integrity
C. Availability
D. Access
Answer: B



7. A digital signature ensures:
A. Confidentiality
B. Integrity and authenticity
C. Availability
D. Storage
Answer: B



8. Least privilege means:
A. Full access
B. Minimum necessary access
C. No access
D. Shared access
Answer: B



9. Defense in depth means:
A. One strong control
B. Multiple layers of security
C. No controls
D. Backup systems
Answer: B