WGU C175 PRE-ASSESSMENT EXAM
WGU C175 PRE-ASSESSMENT EXAM QUESTIONS AND ANSWERS GRADED A+ 100% VERIFIED .
What is a broad definition of data? ANS >> Raw facts that are
captured on printed or digital media
What are data? ANS >> Facts that are collected and stored in a
database system
What is a determining characteristic of unstructured data?
ANS >> It does not follow a data model.
, WGU C175 PRE-ASSESSMENT EXAM
Which is true about flat files? ANS >> They contain no internal
hierarchical organization.
Which technology has no internal hierarchy? ANS >> Flat files
How were data retrieved before database management
systems? ANS >> Sequentially from simple files
In which two ways does a database management system
environment increase effectiveness in working with data? ANS
>> - It enables data sharing,
- It permits storage of vast volumes of data.
What is the uniquely identifiable element about which data can
be categorized in an entity-relationship diagram? ANS >>
Entity types
Which classification is correct for the box marked "Quantity" in
the given entity-relationship diagram? ANS >> Intersection
data
Which data classification is an entity? ANS >> Event
WGU C175 PRE-ASSESSMENT EXAM QUESTIONS AND ANSWERS GRADED A+ 100% VERIFIED .
What is a broad definition of data? ANS >> Raw facts that are
captured on printed or digital media
What are data? ANS >> Facts that are collected and stored in a
database system
What is a determining characteristic of unstructured data?
ANS >> It does not follow a data model.
, WGU C175 PRE-ASSESSMENT EXAM
Which is true about flat files? ANS >> They contain no internal
hierarchical organization.
Which technology has no internal hierarchy? ANS >> Flat files
How were data retrieved before database management
systems? ANS >> Sequentially from simple files
In which two ways does a database management system
environment increase effectiveness in working with data? ANS
>> - It enables data sharing,
- It permits storage of vast volumes of data.
What is the uniquely identifiable element about which data can
be categorized in an entity-relationship diagram? ANS >>
Entity types
Which classification is correct for the box marked "Quantity" in
the given entity-relationship diagram? ANS >> Intersection
data
Which data classification is an entity? ANS >> Event
