WGU C175 Pre-Assessment Exam
Multiple Choice w Pictures Questions and
Answers
1. What is a broad definition of data?
A.)Alphanumeric combinations that can be captured on media that a
computer can read
B.)Any information that can be transferred from print to digital
C.)Raw facts that are captured on printed or digital media
D.)Numbers that are captured on digital media: c
2. What are data?
A.)Facts that have been organized in a meaningful way
B.)Facts that are collected and stored in a database system
C.)Facts that are the result of a query of a database system
D.)Facts that have been processed and used for decision making: b
3. What is a determining characteristic of unstructured data?
A.)It does not follow a data model.
,B.)It is stored in rows and columns.
C.)It does not allow copying and pasting.
D.)It is easy to query and retrieve by business applications.: a
4. Refer to this diagram.
Which item represents unstructured data?
A.)A
B.)B
C.)C
D.)D: a
5. Which is true about flat files?
A.)They have a limit of 256 records.
B.)They contain no internal hierarchical organization.
C.)They can only contain two-dimensional data.
D.)They are always encrypted.: b
6. Which technology has no internal hierarchy?
A.)Hashed tables
, B.)Flat files
C.)Relational databases
D.)Heap files: b
7. How were data retrieved before database management systems?
A.)Randomly from linked files
B.)Using set operations on complex files
C.)Sequentially from simple files
D.)Using relationships between logical entities: c
8. What is the uniquely identifiable element about which data can
be catego- rized in an entity-relationship diagram?
A.)Intersection data points
B.)Unary relationships
C.)Primary keys
D.)Entity types: d
9. Refer to this diagram.
Which classification is correct for the box marked "Quantity" in
the given entity-relationship diagram?
Multiple Choice w Pictures Questions and
Answers
1. What is a broad definition of data?
A.)Alphanumeric combinations that can be captured on media that a
computer can read
B.)Any information that can be transferred from print to digital
C.)Raw facts that are captured on printed or digital media
D.)Numbers that are captured on digital media: c
2. What are data?
A.)Facts that have been organized in a meaningful way
B.)Facts that are collected and stored in a database system
C.)Facts that are the result of a query of a database system
D.)Facts that have been processed and used for decision making: b
3. What is a determining characteristic of unstructured data?
A.)It does not follow a data model.
,B.)It is stored in rows and columns.
C.)It does not allow copying and pasting.
D.)It is easy to query and retrieve by business applications.: a
4. Refer to this diagram.
Which item represents unstructured data?
A.)A
B.)B
C.)C
D.)D: a
5. Which is true about flat files?
A.)They have a limit of 256 records.
B.)They contain no internal hierarchical organization.
C.)They can only contain two-dimensional data.
D.)They are always encrypted.: b
6. Which technology has no internal hierarchy?
A.)Hashed tables
, B.)Flat files
C.)Relational databases
D.)Heap files: b
7. How were data retrieved before database management systems?
A.)Randomly from linked files
B.)Using set operations on complex files
C.)Sequentially from simple files
D.)Using relationships between logical entities: c
8. What is the uniquely identifiable element about which data can
be catego- rized in an entity-relationship diagram?
A.)Intersection data points
B.)Unary relationships
C.)Primary keys
D.)Entity types: d
9. Refer to this diagram.
Which classification is correct for the box marked "Quantity" in
the given entity-relationship diagram?
