WGU C954 V8 Ch 5 Exam Questions and Answers | Latest Update 2026

WGU C954 V8 Ch 5 Exam Questions and Answers | Latest Update 2026 attribute - answer-A characteristic of an entity. data - answer-Raw facts. What is data cleansing? - answer-The process of detecting and correcting or deleting incomplete, inaccurate, or irrelevant records. What types of records does data cleansing address? - answer-Incomplete, inaccurate, or irrelevant records in a database. data control language (DCL) - answer-A subset of SQL that allows a database administrator to manage user privileges. What is data definition language (DDL)? - answer-A subset of the SQL language. What does data definition language (DDL) do? - answer-It contains commands used to define and describe data and relationships in a database. data dictionary - answer-A collection of metadata that describes the data, format, structure, and relationships in the database What is data governance? - answer-The core component of data management. What does data governance define? - answer-The roles, responsibilities, and processes for ensuring that data can be trusted and used by the entire organization.What is the purpose of data governance? - answer-To ensure that data can be trusted and used by the entire organization. Who is responsible for fixing and preventing issues with data in data governance? - answerPeople identified and in place by the data governance framework. What does DLM stand for? - answer-Data Lifecycle Management What is the primary focus of Data Lifecycle Management? - answer-Managing the flow of an enterprise's data What are the stages involved in Data Lifecycle Management? - answer-From initial acquisition or creation and storage to deletion What type of approach does Data Lifecycle Management use? - answer-A policy-based approach What is data management? - answer-An integrated set of functions that defines the processes by which data is obtained, certified fit for use, stored, secured, and processed. What are the key goals of data management? - answer-To ensure that the accessibility, reliability, and timeliness of the data meet the needs of the data users within an organization. data manipulation language (DML) - answer-A subset of the SQL language that allows users to modify the data, data query language (DQL) - answer-A subset of the SQL language that allows users to select data from the database.What is a data steward? - answer-An individual responsible for the management of critical data elements. What are the responsibilities of a data steward regarding new data sources? - answerIdentifying and acquiring new data sources. What does a data steward do with reference data? - answer-Creates and maintains consistent reference data and master data definitions. How does a data steward ensure data quality? - answer-Analyzes data for quality and reconciles data issues. database - answer-A well-designed, organized, and carefully managed collection of data. What is the role of a database administrator (DBA)? - answer-A skilled and trained information system professional who holds discussions with business users to define their data needs. What do database administrators (DBAs) use to create databases? - answer-Database programming languages. What is one responsibility of a database administrator (DBA) regarding databases? - answerTesting and evaluating databases. How do database administrators (DBAs) improve database performance? - answer-By implementing changes. What is a key security responsibility of a database administrator (DBA)? - answer-Assuring that data is secure from unauthorized ase approach to data management - answer-An approach to data management that allows multiple information systems to share a pool of related data. What does DaaS stand for? - answer-Database as a Service Where is the database stored in a DaaS arrangement? - answer-On a service provider's servers How is the database accessed in a DaaS model? - answer-Over the internet Who handles the database administration in a DaaS arrangement? - answer-The service provider What is a database management system (DBMS)? - answer-Software used to access and manage a database. What does a DBMS provide? - answer-An interface between the database and its users and other applications. What is an enterprise data model? - answer-A data model that identifies the data entities and data attributes of greatest interest to the organization. What does an enterprise data model include regarding data definitions? - answer-It includes associated standard data definitions. What information about data attributes does an enterprise data model specify? - answer-It specifies data length and format. What does an enterprise data model define about valid values? - answer-It defines the domain of valid values.What additional information does an enterprise data model provide? - answer-It provides any business rules for the use of the data. entity - answer-A person, place, or thing (object) for which data is collected, stored, and maintained. What is an entity-relationship (ER) diagram? - answer-A data model that uses basic graphical symbols. What does an ER diagram show? - answer-The organization of and relationships between data. field - answer-A single attribute about an entity.