EXAM 2 LATEST VERSIONS 100 QUESTIONS AND CORRECT DETAILED AN
SWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)|AL
READY GRADED A+
Study online at https://quizlet.com/_h0my4j
1. What is a broad definition of data? Raw facts that are captured
A) Numbers that are captured on digital media on printed or digital media
B) Raw facts that are captured on printed or digital
media
C) Alphanumeric combinations that can be captured
on media that a computer can read
D) Any information that can be transferred from print
to digital
2. What are data? Facts that are collected
A) Facts that have been organized in a meaningful way and stored in a database
B) Facts that are the result of a query of a database system
system
C) Facts that are collected and stored in a database
system
D) Facts that have been processed and used for deci-
sion making
3. What is a determining characteristic of unstructured It does not follow a data
data? model
A) It does not allow copying and pasting.
B) It is easy to query and retrieve by business applica-
tions.
C) It does not follow a data model.
D) It is stored in rows and columns.
4. Refer to this diagram. A
Inputs:
, WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL
EXAM 2 LATEST VERSIONS 100 QUESTIONS AND CORRECT DETAILED AN
SWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)|AL
READY GRADED A+
Study online at https://quizlet.com/_h0my4j
A. Training Video Content
B. SQL tables of training instructors
Output:
C. Relational database for training tracking
Backup:
D. Training database backup
Which item represents unstructured data?
A) A
B) B
C) C
D) D
5. Which is true about flat files? They contain no internal
hierarchical organization
A) They contain no internal hierarchical organization.
B) They have a limit of 256 records.
C) They can only contain two-dimensional data.
D) They are always encrypted.
6. Which technology has no internal hierarchy? Flat files
A) Flat files
B) Heap files
C) Hashed tables
D) Relational databases
7. How were data retrieved before database manage- Sequentially from simple
ment systems? files
, WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL
EXAM 2 LATEST VERSIONS 100 QUESTIONS AND CORRECT DETAILED AN
SWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)|AL
READY GRADED A+
Study online at https://quizlet.com/_h0my4j
A) Randomly from linked files
B) Sequentially from simple files
C) Using set operations on complex files
D) Using relationships between logical entities
8. What is the uniquely identifiable element about which Entity types
data can be categorized in an entity-relationship dia-
gram?
A) Entity types
B) Primary keys
C) Unary relationships
D) Intersection data points
9. Refer to this diagram. Intersection data
{{ Crow's Foot
One or more "Salesperson" sells "Quantity" of one or
more "One Product"
"Quantity" of one or more "One product" sold by one
or more "Salesperson"
}}
Which classification is correct for the box marked
"Quantity" in the given entity-relationship diagram?
A) Quantity data
B) Modality data