WGU C175/D426
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
2025 UPDATED EXAM QUESTIONS AND ANSWERS GRADED A+
In what two ways does a DBMS environment increase effectiveness in working
with data? ANS >> - Enables Data Sharing
- Storage of vast volumes of data
A company posts an internet-based newsletter about their products. What
advantage will this company gain from the relational database management
system that will store customer information? ANS >> Improved query response
time
What is the method of organizing attributes into tables? ANS >> Data
NORMALIZATION
, WGU C175/D426
What should a company expect from implementing a business intelligence
system? ANS >> - Financial: Increased profitability
- Productivity: Increased throughput, decreased workloads
- Trust: greater satisfaction
- Risk: improved visibility
What is a relational model? ANS >> A database model based on mathematical
principles
What are the 3 mathematical concepts of the relational model? ANS >> -
Domain
- Tuple
- Relation
Define: Domain ANS >> Set of values = 'Data Type'
Define: Tuple ANS >> Finite sequence of values pulled from a fixed domain =
'Row'
Define: Relation ANS >> A named set of tuples, all from same domain = 'Table'
A tuple position is called a: ANS >> Attribute
How is cardinality depicted in a diagram for many, one, and zero? ANS >> - Many
= Crow's Foot
WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA
2025 UPDATED EXAM QUESTIONS AND ANSWERS GRADED A+
In what two ways does a DBMS environment increase effectiveness in working
with data? ANS >> - Enables Data Sharing
- Storage of vast volumes of data
A company posts an internet-based newsletter about their products. What
advantage will this company gain from the relational database management
system that will store customer information? ANS >> Improved query response
time
What is the method of organizing attributes into tables? ANS >> Data
NORMALIZATION
, WGU C175/D426
What should a company expect from implementing a business intelligence
system? ANS >> - Financial: Increased profitability
- Productivity: Increased throughput, decreased workloads
- Trust: greater satisfaction
- Risk: improved visibility
What is a relational model? ANS >> A database model based on mathematical
principles
What are the 3 mathematical concepts of the relational model? ANS >> -
Domain
- Tuple
- Relation
Define: Domain ANS >> Set of values = 'Data Type'
Define: Tuple ANS >> Finite sequence of values pulled from a fixed domain =
'Row'
Define: Relation ANS >> A named set of tuples, all from same domain = 'Table'
A tuple position is called a: ANS >> Attribute
How is cardinality depicted in a diagram for many, one, and zero? ANS >> - Many
= Crow's Foot
