WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM NEWEST 2025 ACTUAL EXAM 2
LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100%
CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+
ad hoc query - ANSWER-A "spur-of-the-moment" question
analytical database - ANSWER-A database focused primarily on storing historical data and
business metrics used for tactical or strategic decision making
availability - ANSWER-In the context of data security, it refers to the accessibility of data
whenever required by authorized users and for authorized purposes
centralized database - ANSWER-A database located at a single site
cloud database - ANSWER-A database that is created and maintained using cloud services, such
as Microsoft Azure or Amazon AWS
data - ANSWER-Raw facts, or facts that have not yet been processed to reveal their meaning to
the end user
data anomaly - ANSWER-An abnormality of the data in which inconsistent changes have been
made to a database (For example, an employee moves, but the address changes is not
corrected in all files in the database)
data dependence - ANSWER-A data condition in which data representation and manipulation
are dependent on the physical data storage characteristics
data dictionary - ANSWER-A DBMS component that stores metadata. Contains the data
definition, as well as their characteristics and relationships
data inconsistency - ANSWER-A condition in which different versions of the same data yield
different results
data independence - ANSWER-A condition in which data access is unaffected by changes in the
physical data storage characteristics
data integrity - ANSWER-In a relational database, a condition in which the data in the database
complies with all entity and referential integrity constraints
data management - ANSWER-A process that focuses on data collection, storage, and retrieval.
,data processing (DP) specialist - ANSWER-The person responsible for developing and managing
a computerized file processing system
data redundancy - ANSWER-Exists when the same data is stored unnecessarily at different
places
database - ANSWER-A shared, integrated computer structure that houses a collection of related
data including end-user data (raw facts) and metadata (data about the data)
database design - ANSWER-The process that yields the description of the database structure
and determines the database components. The second phase of the database life cycle
database management system (DBMS) - ANSWER-The collection of programs that manages the
database structure and controls access to the data stored in the database
database system - ANSWER-An organization of components that defines and regulates the
collection, storage, management, and use of data in a database environment
desktop database - ANSWER-A single-user database that runs on a personal computer
discipline-specific database - ANSWER-A database that contains data focused on specific subject
areas
enterprise database - ANSWER-The overall company data representation, which provides
support for present and expected future needs
field - ANSWER-An alphabetic or numeric character or group of characters that defines a
characteristic of a person, place, or thing. (for example, a person's SSN, address, phone number,
and bank balance all constitute fields)
file - ANSWER-A named collection of related records
general-purpose database - ANSWER-A database that contains a wide variety of data used in
multiple disciplines
hub - ANSWER-A warehouse of data packets housed in a central location on a local area
network. It contains multiple ports that copy the data in the data packets to make it accessible
to selected or all segments of the network
information - ANSWER-The result of processing raw data to reveal its meaning. It consists of
transformed data and facilitates decision making
islands of information - ANSWER-In the old file system environment, pools of independent,
often duplicated, and inconsistent data created and managed by different departments
, knowledge - ANSWER-The body of information and facts about a specific subject. It implies
familiarity, awareness, and understanding of information as it applies to an environment
logical data format - ANSWER-The way a person views data within the context of a problem
domain
metadata - ANSWER-Data about data
multiuser database - ANSWER-A database that supports multiple concurrent users
NoSQL - ANSWER-A new generation of database management systems that is not based on the
traditional relational database model. It stores structured and unstructured data in efficient
ways.
online analytical processing (OLAP) - ANSWER-Decision support system (DSS) tools that use
multidimensional data analysis techniques. It creates an advanced data analysis environment
that supports decision making, business modeling, and operations research
operational database - ANSWER-A database designed primarily to support a company's day-to-
day operations. (Also known as a transactional database, OLTP database, or production
database)
performance tuning - ANSWER-Activities that make a database perform more efficiently in
terms of storage and access speed
physical data format - ANSWER-The way a computer "sees" (stores) data
query - ANSWER-A question or task asked by an end user of a database in the form of SQL code.
A specific request for data manipulation issued by the end user or the application to the DBMS
query language - ANSWER-A nonprocedural language that is used by a DBMS to manipulate its
data (such as SQL)
query result set - ANSWER-The collection of data rows returned by a query
record - ANSWER-A collection of related (logically connected) fields
role - ANSWER-In Oracle, a named collection of database access privileges that authorize a user
to connect to a database and use its system resources
router - ANSWER-1) An intelligent devise used to connect dissimilar networks
2) Hardware/software equipment that connects multiple and diverse networks
semistructured data - ANSWER-Data that has already been processed to some extent
single-user database - ANSWER-A database that supports only one user at a time
LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100%
CORRECT AND VERIFIED ANSWERS)|ALREADY GRADED A+
ad hoc query - ANSWER-A "spur-of-the-moment" question
analytical database - ANSWER-A database focused primarily on storing historical data and
business metrics used for tactical or strategic decision making
availability - ANSWER-In the context of data security, it refers to the accessibility of data
whenever required by authorized users and for authorized purposes
centralized database - ANSWER-A database located at a single site
cloud database - ANSWER-A database that is created and maintained using cloud services, such
as Microsoft Azure or Amazon AWS
data - ANSWER-Raw facts, or facts that have not yet been processed to reveal their meaning to
the end user
data anomaly - ANSWER-An abnormality of the data in which inconsistent changes have been
made to a database (For example, an employee moves, but the address changes is not
corrected in all files in the database)
data dependence - ANSWER-A data condition in which data representation and manipulation
are dependent on the physical data storage characteristics
data dictionary - ANSWER-A DBMS component that stores metadata. Contains the data
definition, as well as their characteristics and relationships
data inconsistency - ANSWER-A condition in which different versions of the same data yield
different results
data independence - ANSWER-A condition in which data access is unaffected by changes in the
physical data storage characteristics
data integrity - ANSWER-In a relational database, a condition in which the data in the database
complies with all entity and referential integrity constraints
data management - ANSWER-A process that focuses on data collection, storage, and retrieval.
,data processing (DP) specialist - ANSWER-The person responsible for developing and managing
a computerized file processing system
data redundancy - ANSWER-Exists when the same data is stored unnecessarily at different
places
database - ANSWER-A shared, integrated computer structure that houses a collection of related
data including end-user data (raw facts) and metadata (data about the data)
database design - ANSWER-The process that yields the description of the database structure
and determines the database components. The second phase of the database life cycle
database management system (DBMS) - ANSWER-The collection of programs that manages the
database structure and controls access to the data stored in the database
database system - ANSWER-An organization of components that defines and regulates the
collection, storage, management, and use of data in a database environment
desktop database - ANSWER-A single-user database that runs on a personal computer
discipline-specific database - ANSWER-A database that contains data focused on specific subject
areas
enterprise database - ANSWER-The overall company data representation, which provides
support for present and expected future needs
field - ANSWER-An alphabetic or numeric character or group of characters that defines a
characteristic of a person, place, or thing. (for example, a person's SSN, address, phone number,
and bank balance all constitute fields)
file - ANSWER-A named collection of related records
general-purpose database - ANSWER-A database that contains a wide variety of data used in
multiple disciplines
hub - ANSWER-A warehouse of data packets housed in a central location on a local area
network. It contains multiple ports that copy the data in the data packets to make it accessible
to selected or all segments of the network
information - ANSWER-The result of processing raw data to reveal its meaning. It consists of
transformed data and facilitates decision making
islands of information - ANSWER-In the old file system environment, pools of independent,
often duplicated, and inconsistent data created and managed by different departments
, knowledge - ANSWER-The body of information and facts about a specific subject. It implies
familiarity, awareness, and understanding of information as it applies to an environment
logical data format - ANSWER-The way a person views data within the context of a problem
domain
metadata - ANSWER-Data about data
multiuser database - ANSWER-A database that supports multiple concurrent users
NoSQL - ANSWER-A new generation of database management systems that is not based on the
traditional relational database model. It stores structured and unstructured data in efficient
ways.
online analytical processing (OLAP) - ANSWER-Decision support system (DSS) tools that use
multidimensional data analysis techniques. It creates an advanced data analysis environment
that supports decision making, business modeling, and operations research
operational database - ANSWER-A database designed primarily to support a company's day-to-
day operations. (Also known as a transactional database, OLTP database, or production
database)
performance tuning - ANSWER-Activities that make a database perform more efficiently in
terms of storage and access speed
physical data format - ANSWER-The way a computer "sees" (stores) data
query - ANSWER-A question or task asked by an end user of a database in the form of SQL code.
A specific request for data manipulation issued by the end user or the application to the DBMS
query language - ANSWER-A nonprocedural language that is used by a DBMS to manipulate its
data (such as SQL)
query result set - ANSWER-The collection of data rows returned by a query
record - ANSWER-A collection of related (logically connected) fields
role - ANSWER-In Oracle, a named collection of database access privileges that authorize a user
to connect to a database and use its system resources
router - ANSWER-1) An intelligent devise used to connect dissimilar networks
2) Hardware/software equipment that connects multiple and diverse networks
semistructured data - ANSWER-Data that has already been processed to some extent
single-user database - ANSWER-A database that supports only one user at a time
