[STUDY GUIDE] • HIGH-YIELD PRACTICE & REVIEW EDITION
WGU D467 Exploring Data OA Exam
Questions & Model Answers, Updated
2026/2027 Edition
Comprehensive Examination Question Bank • In-Depth Rationales • Concept Mapping
TOTAL QUESTIONS EXAM TOPICS RATIONALES
122 Questions 10 Modules 100% Verified
DOCUMENT OVERVIEW
This document contains 122 verified questions with correct answers focused on data analytics concepts. Each
question is paired with an accurate answer, providing essential insights into data handling, analysis
techniques, and ethical considerations. It is suitable for study, review, and certification preparation in the field
of data analytics.
EXAM BLUEPRINT & TOPIC DISTRIBUTION
Systematic breakdown of subject domains and exam coverage.
Topic Module Scope & Core Focus Questions Share (%)
This topic covers the basic definitions and characteristics of
Data Fundamentals different data types. 13 Qs 10.7%
This topic examines how data is organized, stored, and
Data Structure and Storage manipulated within databases. 13 Qs 10.7%
This topic discusses the importance of data reliability, ethics
Data Quality and Ethics in data collection, and the implications of bias. 12 Qs 9.8%
This topic focuses on methods, tools, and processes used in
Data Analysis Techniques data analysis. 12 Qs 9.8%
This topic addresses methods of data sampling and
Sampling and Data Collection considerations for effective data collection. 12 Qs 9.8%
Structured Query Language This topic explores SQL commands and their applications for
(SQL) querying databases. 12 Qs 9.8%
Data Governance and This topic emphasizes the principles of data governance and
Management best practices for data management. 12 Qs 9.8%
Confidential • Student Study Edition • Practice & Review Guide Page 1 of 32
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
Data Visualization and This topic covers techniques for visualizing data and
Presentation presenting analytical results effectively. 12 Qs 9.8%
This topic discusses best practices for organizing and naming
File and Folder Management files and folders for data projects. 12 Qs 9.8%
This topic explores the principles and practices surrounding
Data Access and Sharing data access, sharing, and openness. 12 Qs 9.8%
Total Exam Coverage 10 Integrated Topic Modules 122 Qs 100.0%
Confidential • Student Study Edition • Practice & Review Guide Page 2 of 32
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
TOPIC 1: DATA FUNDAMENTALS
13 Questions • 10.7% of Exam • This topic covers the basic definitions and characteristics of different data types.
QUESTION 1
What are cookies? Types of malware that can damage computers Small files stored on
computers that contain information about users Programs that enable users to access
websites Pieces of code that store information about a website
Correct Answer: Small files stored on computers that contain information about users.
QUESTION 2
Fill in the blank: For data analytics projects, _____ data is typically preferred because
users know it originated within the organization. second-party third-party multi-party
first-party
Correct Answer: First-party.
QUESTION 3
In data analytics, what term refers to all possible data values in a dataset? Source
Representation Population Sample
Correct Answer: Population.
QUESTION 4
An entertainment website displays a star rating for a movie based on user reviews.
Users can select from one to five whole stars to rate the movie. The star rating is an
example of what type of data? Select all that apply. Continuous Discrete Ordinal
Nominal
Correct Answer: Discrete
Ordinal.
Confidential • Student Study Edition • Practice & Review Guide Page 3 of 32
, STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 5
In data analytics, what is the term for data that is generated from, and lives, outside of
an organization? Peripheral Outer Internal External
Correct Answer: External.
QUESTION 6
Fill in the blank: A data type is a specific kind of data _____ that tells what kind of value
the data is. attribute frame model point
Correct Answer: Attribute.
QUESTION 7
In a data table, where are fields contained? Rows Columns Favorites Charts
Correct Answer: Columns.
QUESTION 8
Fill in the blank: Data is considered _____ when it is accurate, complete, and unbiased
information that has been vetted and proven fit for use. original current comprehensive
reliable
Correct Answer: Reliable.
QUESTION 9
What is the term for an identifier that references a database column in which each value
is unique? Field Relation Primary key Foreign key
Correct Answer: Primary key.
Confidential • Student Study Edition • Practice & Review Guide Page 4 of 32
WGU D467 Exploring Data OA Exam
Questions & Model Answers, Updated
2026/2027 Edition
Comprehensive Examination Question Bank • In-Depth Rationales • Concept Mapping
TOTAL QUESTIONS EXAM TOPICS RATIONALES
122 Questions 10 Modules 100% Verified
DOCUMENT OVERVIEW
This document contains 122 verified questions with correct answers focused on data analytics concepts. Each
question is paired with an accurate answer, providing essential insights into data handling, analysis
techniques, and ethical considerations. It is suitable for study, review, and certification preparation in the field
of data analytics.
EXAM BLUEPRINT & TOPIC DISTRIBUTION
Systematic breakdown of subject domains and exam coverage.
Topic Module Scope & Core Focus Questions Share (%)
This topic covers the basic definitions and characteristics of
Data Fundamentals different data types. 13 Qs 10.7%
This topic examines how data is organized, stored, and
Data Structure and Storage manipulated within databases. 13 Qs 10.7%
This topic discusses the importance of data reliability, ethics
Data Quality and Ethics in data collection, and the implications of bias. 12 Qs 9.8%
This topic focuses on methods, tools, and processes used in
Data Analysis Techniques data analysis. 12 Qs 9.8%
This topic addresses methods of data sampling and
Sampling and Data Collection considerations for effective data collection. 12 Qs 9.8%
Structured Query Language This topic explores SQL commands and their applications for
(SQL) querying databases. 12 Qs 9.8%
Data Governance and This topic emphasizes the principles of data governance and
Management best practices for data management. 12 Qs 9.8%
Confidential • Student Study Edition • Practice & Review Guide Page 1 of 32
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
Data Visualization and This topic covers techniques for visualizing data and
Presentation presenting analytical results effectively. 12 Qs 9.8%
This topic discusses best practices for organizing and naming
File and Folder Management files and folders for data projects. 12 Qs 9.8%
This topic explores the principles and practices surrounding
Data Access and Sharing data access, sharing, and openness. 12 Qs 9.8%
Total Exam Coverage 10 Integrated Topic Modules 122 Qs 100.0%
Confidential • Student Study Edition • Practice & Review Guide Page 2 of 32
,STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
TOPIC 1: DATA FUNDAMENTALS
13 Questions • 10.7% of Exam • This topic covers the basic definitions and characteristics of different data types.
QUESTION 1
What are cookies? Types of malware that can damage computers Small files stored on
computers that contain information about users Programs that enable users to access
websites Pieces of code that store information about a website
Correct Answer: Small files stored on computers that contain information about users.
QUESTION 2
Fill in the blank: For data analytics projects, _____ data is typically preferred because
users know it originated within the organization. second-party third-party multi-party
first-party
Correct Answer: First-party.
QUESTION 3
In data analytics, what term refers to all possible data values in a dataset? Source
Representation Population Sample
Correct Answer: Population.
QUESTION 4
An entertainment website displays a star rating for a movie based on user reviews.
Users can select from one to five whole stars to rate the movie. The star rating is an
example of what type of data? Select all that apply. Continuous Discrete Ordinal
Nominal
Correct Answer: Discrete
Ordinal.
Confidential • Student Study Edition • Practice & Review Guide Page 3 of 32
, STUDENT STUDY & MASTERY EDITION PRACTICE & REVIEW GUIDE
QUESTION 5
In data analytics, what is the term for data that is generated from, and lives, outside of
an organization? Peripheral Outer Internal External
Correct Answer: External.
QUESTION 6
Fill in the blank: A data type is a specific kind of data _____ that tells what kind of value
the data is. attribute frame model point
Correct Answer: Attribute.
QUESTION 7
In a data table, where are fields contained? Rows Columns Favorites Charts
Correct Answer: Columns.
QUESTION 8
Fill in the blank: Data is considered _____ when it is accurate, complete, and unbiased
information that has been vetted and proven fit for use. original current comprehensive
reliable
Correct Answer: Reliable.
QUESTION 9
What is the term for an identifier that references a database column in which each value
is unique? Field Relation Primary key Foreign key
Correct Answer: Primary key.
Confidential • Student Study Edition • Practice & Review Guide Page 4 of 32