WGU C175 / D426 DATA MANAGEMENT FOUNDATIONS OA
EXAM WITH 160 EXAM QUESTIONS AND ANSWERS
UPDATED 2026 INFORMATION TECHNOLOGY PRACTICE
QUESTIONS MULTIPLE CHOICE VERIFIED ANSWERS
LATEST UPDATED VERSION ALREADY GRADED A+
What is a broad definition of data? - THE CORRECT ANSWER - *Raw facts*
that are captured on printed or digital media
What are data? - THE CORRECT ANSWER - Facts that are collected and
stored in a database system
What is a determining characteristic of unstructured data? - THE CORRECT
ANSWER - It does not follow a data model.
Which item represents unstructured data? - THE CORRECT ANSWER -
Training Video Content
Which is true about flat files? - THE CORRECT ANSWER - They contain no
internal hierarchical organization.
Which technology has no internal hierarchy? - THE CORRECT ANSWER - Flat
files
How were data retrieved before database management systems? - THE CORRECT
ANSWER - Sequentially from simple files
, What is the *uniquely identifiable element* about which data can be categorized in an
entity-relationship diagram? - THE CORRECT ANSWER - Entity types
Which classification is correct for the box marked "Quantity" in the given entity-relationship
diagram? - THE CORRECT ANSWER - Intersection data
Which data classification is an entity? - THE CORRECT ANSWER - event
What is the entity-relationship diagram about a car rental agency showing? - THE
CORRECT ANSWER - One manufacturer created at least one of the agency's
cars.
A salesperson is authorized to sell 12 products; a product can be sold by 10 salespersons.
Which kind of binary relationship is described in this example? - THE CORRECT
ANSWER - Many-to-many
Which relationship does the cardinality in the diagram represent? - THE CORRECT
ANSWER - Many customers to many products
How is the cardinality of the customers misrepresented? - THE CORRECT
ANSWER - There are many customers, but the cardinality indicates one customer.
What is the correct way to read the modality on the right side of the association? - THE
CORRECT ANSWER - A minimum of zero customers
What is the modality of the product? - THE CORRECT ANSWER - At least one
EXAM WITH 160 EXAM QUESTIONS AND ANSWERS
UPDATED 2026 INFORMATION TECHNOLOGY PRACTICE
QUESTIONS MULTIPLE CHOICE VERIFIED ANSWERS
LATEST UPDATED VERSION ALREADY GRADED A+
What is a broad definition of data? - THE CORRECT ANSWER - *Raw facts*
that are captured on printed or digital media
What are data? - THE CORRECT ANSWER - Facts that are collected and
stored in a database system
What is a determining characteristic of unstructured data? - THE CORRECT
ANSWER - It does not follow a data model.
Which item represents unstructured data? - THE CORRECT ANSWER -
Training Video Content
Which is true about flat files? - THE CORRECT ANSWER - They contain no
internal hierarchical organization.
Which technology has no internal hierarchy? - THE CORRECT ANSWER - Flat
files
How were data retrieved before database management systems? - THE CORRECT
ANSWER - Sequentially from simple files
, What is the *uniquely identifiable element* about which data can be categorized in an
entity-relationship diagram? - THE CORRECT ANSWER - Entity types
Which classification is correct for the box marked "Quantity" in the given entity-relationship
diagram? - THE CORRECT ANSWER - Intersection data
Which data classification is an entity? - THE CORRECT ANSWER - event
What is the entity-relationship diagram about a car rental agency showing? - THE
CORRECT ANSWER - One manufacturer created at least one of the agency's
cars.
A salesperson is authorized to sell 12 products; a product can be sold by 10 salespersons.
Which kind of binary relationship is described in this example? - THE CORRECT
ANSWER - Many-to-many
Which relationship does the cardinality in the diagram represent? - THE CORRECT
ANSWER - Many customers to many products
How is the cardinality of the customers misrepresented? - THE CORRECT
ANSWER - There are many customers, but the cardinality indicates one customer.
What is the correct way to read the modality on the right side of the association? - THE
CORRECT ANSWER - A minimum of zero customers
What is the modality of the product? - THE CORRECT ANSWER - At least one
