1
WGU
WGU C175 EXAM QUESTIONS AND
ANSWERS UPDATED (2025/2026)
(VERIFIED ANSWERS)
What are the values of Business Intelligence? - ANS ✓- Financial value
associated w/ increased profitability.
- Productivity value associated with increased throughput.
- Trust value (customer, employee, supplier satisfaction) as well as increased
confidence in forecasting.
- Risk value - decreased risk associated with decision making
What are the reasons for using the Dimensional Model for Business
Intelligence? - ANS ✓- Simplicity.
- Lack of bias.
- Extensibility.
What are the fundamental aspects of a Data Warehouse? - ANS ✓-
Centralized repository of information.
- Organized around relevant subject areas.
WGU C175
, 2
WGU
- Provides platform for queries. - Used for analysis and not transactional
processing.
- Data is nonvolatile.
- Target location for integrating data from multiple sources.
What is the general theme of the ETL process? - ANS ✓1. Get the data
2. Map the data to staging area
3. Validate and clean the data
4. Apply necessary transformations
5. Map data to loading model
6. Move data to repository
7. Load data to warehouse
What is the key factor based on the need for linear scalability? - ANS
✓Performance
What is used for populating summaries or any cube dimensions that can be
performed at the staging area (ETL)? - ANS ✓Aggregation
WGU C175
, 3
WGU
What data mining activity is a process of assigning some continuously valued
numeric value to an object? - ANS ✓Estimation
What includes exploiting the discovery of table and foreign keys for
representing linkage between different tables? - ANS ✓Integration
What data mining activity is the process of organizing data into predefined
classes? - ANS ✓Classification
Which activity groups data members that have similarities? - ANS
✓Clustering
Data Warehouse - ANS ✓A data warehouse is the primary source of
information that feeds the analytical processing within an organization.
Data Mart - ANS ✓A data mart is a subject-oriented data repository, similar in
structure to the enterprise data warehouse, but it's main purpose is to serve
directed reporting and drill down into specific data.
WGU C175
WGU
WGU C175 EXAM QUESTIONS AND
ANSWERS UPDATED (2025/2026)
(VERIFIED ANSWERS)
What are the values of Business Intelligence? - ANS ✓- Financial value
associated w/ increased profitability.
- Productivity value associated with increased throughput.
- Trust value (customer, employee, supplier satisfaction) as well as increased
confidence in forecasting.
- Risk value - decreased risk associated with decision making
What are the reasons for using the Dimensional Model for Business
Intelligence? - ANS ✓- Simplicity.
- Lack of bias.
- Extensibility.
What are the fundamental aspects of a Data Warehouse? - ANS ✓-
Centralized repository of information.
- Organized around relevant subject areas.
WGU C175
, 2
WGU
- Provides platform for queries. - Used for analysis and not transactional
processing.
- Data is nonvolatile.
- Target location for integrating data from multiple sources.
What is the general theme of the ETL process? - ANS ✓1. Get the data
2. Map the data to staging area
3. Validate and clean the data
4. Apply necessary transformations
5. Map data to loading model
6. Move data to repository
7. Load data to warehouse
What is the key factor based on the need for linear scalability? - ANS
✓Performance
What is used for populating summaries or any cube dimensions that can be
performed at the staging area (ETL)? - ANS ✓Aggregation
WGU C175
, 3
WGU
What data mining activity is a process of assigning some continuously valued
numeric value to an object? - ANS ✓Estimation
What includes exploiting the discovery of table and foreign keys for
representing linkage between different tables? - ANS ✓Integration
What data mining activity is the process of organizing data into predefined
classes? - ANS ✓Classification
Which activity groups data members that have similarities? - ANS
✓Clustering
Data Warehouse - ANS ✓A data warehouse is the primary source of
information that feeds the analytical processing within an organization.
Data Mart - ANS ✓A data mart is a subject-oriented data repository, similar in
structure to the enterprise data warehouse, but it's main purpose is to serve
directed reporting and drill down into specific data.
WGU C175
