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WGU PRE-ASSESSMENT :DATA MANAGEMENT -FOUNDATIONS PFKO
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WGU PRE-ASSESSMENT :DATA MANAGEMENT -FOUNDATIONS PFKO
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8/12/2020 WGU Student Portal | Coaching ReportWGUPRE-ASSESSMENT:
PRE-ASSESSMENT DATA MANAGEMENT
:DATA - FOUNDATIONS
MANAGEMENT PFKO PFK
-FOUNDATIONS
Attempt #1
Status: Passed
1.
What is a broad de nition of data?
YOUR CORRECT
ANSWER ANSWER
Numbers that are captured on digital media
Raw facts that are captured on printed or digital media
Alphanumeric combinations that can be captured on media that a computer can
read
Any information that can be transferred from print to digital
2.
What are data?
YOUR CORRECT
ANSWER ANSWER
Facts that have been organized in a meaningful way
Facts that are the result of a query of a database system
Facts that are collected and stored in a database system
Facts that have been processed and used for decision making
3.
What is a determining characteristic of unstructured data?
YOUR CORRECT
ANSWER ANSWER
It does not allow copying and pasting.
https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/467945/assessmentCode/PFKO/testDate/1596807781 1/25
,8/12/2020 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
It is easy to query and retrieve by business applications.
It does not follow a data model.
It is stored in rows and columns.
4.
Refer to this diagram.
Which item represents unstructured data?
YOUR CORRECT
ANSWER ANSWER
A
B
C
D
5.
Which is true about at les?
YOUR CORRECT
ANSWER ANSWER
https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/467945/assessmentCode/PFKO/testDate/1596807781 2/25
, 8/12/2020 WGU Student Portal | Coaching Report
YOUR CORRECT
ANSWER ANSWER
They contain no internal hierarchical organization.
They have a limit of 256 records.
They can only contain two-dimensional data.
They are always encrypted.
6.
Which technology has no internal hierarchy?
YOUR CORRECT
ANSWER ANSWER
Flat les
Heap les
Hashed tables
Relational databases
7.
How were data retrieved before database management systems?
YOUR CORRECT
ANSWER ANSWER
Randomly from linked les
Sequentially from simple les
Using set operations on complex les
Using relationships between logical entities
8.
What is the uniquely identi able element about which data can be categorized in an entity-relationship
diagram?
https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/467945/assessmentCode/PFKO/testDate/1596807781 3/25
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