WGU D426 V2 COMPREHENSIVE
EXAMINATION TEST SOLVED QUESTIONS
AND CORRECT ANSWERS COMPLETE
REVIEW RESOURCE
⩥ structured.
Answer: semistructured
⩥ desktop.
Answer: desktop
⩥ spreadsheet applications.
Answer: They enhance the user's ability to understand the data.
⩥ database system.
Answer: The term refers to an organization of components that define
and regulate the collection, storage, management and use of data within
a database environment.
⩥ islands of information.
Answer: The term refers to scattered locations storing the same basic
data.
,⩥ In-memory databases.
Answer: Refer to a type of database that stores most of its data in RAM
rather than in hard disks.
⩥ Data independence.
Answer: Exists when it is possible to make changes in the data storage
characteristics without affecting an application program's ability to
access data.
⩥ hierarchical.
Answer: One of the limitations of the model is that there is a lack of
standards.
⩥ entity.
Answer: A(n) represents a particular type of object in the real world.
⩥ method.
Answer: In object oriented terms, a(n) defines an object's behavior.
⩥ entity relationship.
Answer: The model was developed to allow designers to use a graphical
tool to examine structures rather than describing them with text.
, ⩥ Constraints.
Answer: Are normally expressed in the form of rules.
⩥ Name node.
Answer: Which of the following types of HDFS nodes stores all the
metadata about a file system?
⩥ relational data model.
Answer: MySQL is an example of the.
⩥ object-oriented.
Answer: The data model is said to be a semantic data model.
⩥ data model.
Answer: A(n) is a relatively simple representation of more complex real-
world data structures.
⩥ file system data model.
Answer: VMS/VSAM is an example of the.
⩥ network.
EXAMINATION TEST SOLVED QUESTIONS
AND CORRECT ANSWERS COMPLETE
REVIEW RESOURCE
⩥ structured.
Answer: semistructured
⩥ desktop.
Answer: desktop
⩥ spreadsheet applications.
Answer: They enhance the user's ability to understand the data.
⩥ database system.
Answer: The term refers to an organization of components that define
and regulate the collection, storage, management and use of data within
a database environment.
⩥ islands of information.
Answer: The term refers to scattered locations storing the same basic
data.
,⩥ In-memory databases.
Answer: Refer to a type of database that stores most of its data in RAM
rather than in hard disks.
⩥ Data independence.
Answer: Exists when it is possible to make changes in the data storage
characteristics without affecting an application program's ability to
access data.
⩥ hierarchical.
Answer: One of the limitations of the model is that there is a lack of
standards.
⩥ entity.
Answer: A(n) represents a particular type of object in the real world.
⩥ method.
Answer: In object oriented terms, a(n) defines an object's behavior.
⩥ entity relationship.
Answer: The model was developed to allow designers to use a graphical
tool to examine structures rather than describing them with text.
, ⩥ Constraints.
Answer: Are normally expressed in the form of rules.
⩥ Name node.
Answer: Which of the following types of HDFS nodes stores all the
metadata about a file system?
⩥ relational data model.
Answer: MySQL is an example of the.
⩥ object-oriented.
Answer: The data model is said to be a semantic data model.
⩥ data model.
Answer: A(n) is a relatively simple representation of more complex real-
world data structures.
⩥ file system data model.
Answer: VMS/VSAM is an example of the.
⩥ network.