WGU C175 - Data Management
Foundations PA Questions and Answers
1. What is a broad definition of data?: *Raw facts* that are captured on printed or
digital media
2. What are data?: Facts that are collected and stored in a database system
3. What is a determining characteristic of unstructured data?: It does
not follow a data model.
4. item represents unstructured data?: Training
Which
Video Content
5. Which is true about flat files?: They contain no internal hierarchical organization.
6. Which technology has no internal hierarchy?: Flat files
7. How were data retrieved before database management systems?:
Sequentially from simple files
8. What is the *uniquely identifiable element* about which data can
be catego- rized in an entity-relationship diagram?: Entity types
9. Which classification is correct for the box marked the
1/
14
given
, "Quantity" in entity-relationship diagram?: Intersection data
10. Which data classification is an entity?: event
11. What is the entity-relationship diagram about a ncy
car rental age showing?-
: One manufacturer created at least one of the agency's cars.
12. 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?: Many-to-
many
13. Which relationship does the cardinality in the nt?: Many
diagram represe cus-
tomers to many products
14. How is the cardinality of the customers e many
misrepresented?: There ar but the cardinality indicates one customer. customers,
f the
associ-
15. What is the correct way to read the modality on
the right side o ation?: A minimum of zero customers
2/
14
Foundations PA Questions and Answers
1. What is a broad definition of data?: *Raw facts* that are captured on printed or
digital media
2. What are data?: Facts that are collected and stored in a database system
3. What is a determining characteristic of unstructured data?: It does
not follow a data model.
4. item represents unstructured data?: Training
Which
Video Content
5. Which is true about flat files?: They contain no internal hierarchical organization.
6. Which technology has no internal hierarchy?: Flat files
7. How were data retrieved before database management systems?:
Sequentially from simple files
8. What is the *uniquely identifiable element* about which data can
be catego- rized in an entity-relationship diagram?: Entity types
9. Which classification is correct for the box marked the
1/
14
given
, "Quantity" in entity-relationship diagram?: Intersection data
10. Which data classification is an entity?: event
11. What is the entity-relationship diagram about a ncy
car rental age showing?-
: One manufacturer created at least one of the agency's cars.
12. 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?: Many-to-
many
13. Which relationship does the cardinality in the nt?: Many
diagram represe cus-
tomers to many products
14. How is the cardinality of the customers e many
misrepresented?: There ar but the cardinality indicates one customer. customers,
f the
associ-
15. What is the correct way to read the modality on
the right side o ation?: A minimum of zero customers
2/
14
