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DATA MANAGEMENT FOUNDATIONS D426
WGU EXAM/ WGU D426 DATA
MANAGEMENT FOUNDATION FINAL EXAM
ACTUAL EXAM 2025/2026 COMPLETE
ACCURATE QUESTIONS AND CORRECT
VERIFIED ANSWERS (A NEW UPDATED
VERSION) |GUARANTEED PASS. | WGU
D426
1. What is the primary role of a database management
system (DBMS)?
A) To store data in operating system files
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B) To provide an interface for defining, creating, querying,
updating, and administering databases
C) To replace spreadsheets entirely
D) To compile Java programs
Correct Answer: B
Rationale: A DBMS is software that manages data, providing
data definition, data manipulation, and administration
capabilities.
2. Which term refers to raw, unprocessed facts?
A) Information
B) Data
C) Metadata
D) Database
Correct Answer: B
Rationale: Data are raw facts. Information is data processed into
meaningful context.
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3. A collection of related records in a relational database is
called a:
A) Field
B) Column
C) Table
D) Byte
Correct Answer: C
Rationale: Tables (relations) store collections of records (rows).
4. Which of the following is NOT a typical advantage of a
DBMS over a file system?
A) Reduced data redundancy
B) Data integrity enforcement
C) Simplified application programming for every new query
D) Concurrent access control
Correct Answer: C
Rationale: A DBMS provides a query language (e.g., SQL) that
simplifies ad-hoc queries, not complicates them.
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5. Metadata is defined as:
A) Data about data
B) Large binary objects
C) Encrypted data
D) Temporary data
Correct Answer: A
Rationale: Metadata describes structure, constraints, and context
of data (e.g., column names, data types).
6. Which database model uses a tree structure with parent-
child relationships?
A) Relational
B) Hierarchical
C) Network
D) NoSQL
Correct Answer: B
Rationale: Hierarchical model (IMS) uses a tree where each child
has one parent.
DATA MANAGEMENT FOUNDATIONS D426
WGU EXAM/ WGU D426 DATA
MANAGEMENT FOUNDATION FINAL EXAM
ACTUAL EXAM 2025/2026 COMPLETE
ACCURATE QUESTIONS AND CORRECT
VERIFIED ANSWERS (A NEW UPDATED
VERSION) |GUARANTEED PASS. | WGU
D426
1. What is the primary role of a database management
system (DBMS)?
A) To store data in operating system files
,Page 2 of 146
B) To provide an interface for defining, creating, querying,
updating, and administering databases
C) To replace spreadsheets entirely
D) To compile Java programs
Correct Answer: B
Rationale: A DBMS is software that manages data, providing
data definition, data manipulation, and administration
capabilities.
2. Which term refers to raw, unprocessed facts?
A) Information
B) Data
C) Metadata
D) Database
Correct Answer: B
Rationale: Data are raw facts. Information is data processed into
meaningful context.
,Page 3 of 146
3. A collection of related records in a relational database is
called a:
A) Field
B) Column
C) Table
D) Byte
Correct Answer: C
Rationale: Tables (relations) store collections of records (rows).
4. Which of the following is NOT a typical advantage of a
DBMS over a file system?
A) Reduced data redundancy
B) Data integrity enforcement
C) Simplified application programming for every new query
D) Concurrent access control
Correct Answer: C
Rationale: A DBMS provides a query language (e.g., SQL) that
simplifies ad-hoc queries, not complicates them.
, Page 4 of 146
5. Metadata is defined as:
A) Data about data
B) Large binary objects
C) Encrypted data
D) Temporary data
Correct Answer: A
Rationale: Metadata describes structure, constraints, and context
of data (e.g., column names, data types).
6. Which database model uses a tree structure with parent-
child relationships?
A) Relational
B) Hierarchical
C) Network
D) NoSQL
Correct Answer: B
Rationale: Hierarchical model (IMS) uses a tree where each child
has one parent.
