WGU D467 OBJECTIVE ASSESSMENT FINAL NEWEST
2026/ 2027 ACTUAL EXAM| D467 EXPLORING DATA OA
FINAL REVIEW WITH 300 REAL EXAM QUESTIONS
CORRECT VERIFIED ANSWERS/ ALREADY GRADED
A+ (MOST RECENT!!)
What is a specialized tool used by data analysts to view specific data
from within a larger set? - ANSWER - Structured Query Language
(SQL)
A data analyst employs CamelCase capitalization when naming a table
containing the sales and price data in SQL (Structured Query Language).
How would they name the table? - ANSWER - salesPrice
Which format does a comma-separated values (CSV) file use to store
data? - ANSWER - Plain text delineated by characters
Which function can be used to import tables from web pages in a
spreadsheet? - ANSWER - IMPORTHTML
Which property of the sort by drop-down menu functions A to Z is
available in spreadsheets? - ANSWER - It can sort both numbers and
text strings in ascending order.
pg. 1
,A data analyst is working on a project to study market trends and wants
to employ file naming conventions. Which file name should be used? -
ANSWER - Market-trends-2021-04-22-V01
A data analyst wants to use version control for their files and incorporate
them in the file names using formatting conventions. How can the
analyst achieve that? - ANSWER - Lead revision numbers with 0.
What is the purpose of data security? - ANSWER - To keep
unauthorized users from accessing sensitive data
What is the best practice for naming the folders for a company working
in different geographies? - ANSWER - By location
Which tool can data analysts use to control who can access or edit a
spreadsheet? - ANSWER - Encryption
How does storing data in multiple places affect data organization? -
ANSWER - It increases the storage space used.
Which process represents one of the essential roles of data integrity in
data analytics? - ANSWER - Ensuring the accuracy of data throughout
its life cycle
pg. 2
,A company has sales in multiple countries and needs to merge the sales
data into a single repository. Which data field will need a thorough
integrity check before the merge? - ANSWER - Total revenue
An analyst is explaining the results of an analysis to stakeholders and
wants to highlight the sample used. How should this analyst explain the
concept of a sample in the context of data analysis? - ANSWER - A
representative subset of all values within a data set
An analyst wants to determine the number of households with a minivan
in the state of New York. Considering that it is unfeasible to survey the
population, the analyst surveys enough people for it to be a
representative sample. Which data integrity concept does this describe? -
ANSWER - Sampling
An analyst is expected to map the location of all stores in a company
retail network based on data from the sales team. Which field's data
integrity check is relevant to this task? - ANSWER - Store address
An analyst entering recently paid invoices into an accounting system
skips the decimal values of the amount paid. Which type of dirty data
does this scenario present? - ANSWER - Incorrect data
What function do data engineers perform to ensure clean data? -
ANSWER - Transform data into useful formats for analysis and provide
a reliable structure
pg. 3
, An analyst performing data cleansing on invoice data would like to
remove rows that are repeated across all columns. Which spreadsheet
functionality should the analyst use? - ANSWER - Remove duplicates
An analyst completed a set of data cleansing steps and is unable to find
the original data set to compare. Which data cleansing error did this
analyst commit? - ANSWER - Not backing up prior to data cleansing
An analyst performing data cleansing wants to capitalize the first
character of the columns containing first and last names. Which
spreadsheet functionality should the analyst use? - ANSWER - Proper
Which feature of Structured Query Language (SQL) databases enables
enterprise data cleansing? - ANSWER - Enables access across tables
An analyst wants to clean large data sets with millions of rows residing
in different types of databases prior to analysis. Which action should the
analyst take to achieve this goal? - ANSWER - Select the appropriate
SQL dialect based on the database type
After completing data cleansing, an analyst wants to remove all
temporarily created tables from a database. Which Structured Query
Language (SQL) query should the analyst use? - ANSWER - DROP
TABLE IF EXISTS query
pg. 4
2026/ 2027 ACTUAL EXAM| D467 EXPLORING DATA OA
FINAL REVIEW WITH 300 REAL EXAM QUESTIONS
CORRECT VERIFIED ANSWERS/ ALREADY GRADED
A+ (MOST RECENT!!)
What is a specialized tool used by data analysts to view specific data
from within a larger set? - ANSWER - Structured Query Language
(SQL)
A data analyst employs CamelCase capitalization when naming a table
containing the sales and price data in SQL (Structured Query Language).
How would they name the table? - ANSWER - salesPrice
Which format does a comma-separated values (CSV) file use to store
data? - ANSWER - Plain text delineated by characters
Which function can be used to import tables from web pages in a
spreadsheet? - ANSWER - IMPORTHTML
Which property of the sort by drop-down menu functions A to Z is
available in spreadsheets? - ANSWER - It can sort both numbers and
text strings in ascending order.
pg. 1
,A data analyst is working on a project to study market trends and wants
to employ file naming conventions. Which file name should be used? -
ANSWER - Market-trends-2021-04-22-V01
A data analyst wants to use version control for their files and incorporate
them in the file names using formatting conventions. How can the
analyst achieve that? - ANSWER - Lead revision numbers with 0.
What is the purpose of data security? - ANSWER - To keep
unauthorized users from accessing sensitive data
What is the best practice for naming the folders for a company working
in different geographies? - ANSWER - By location
Which tool can data analysts use to control who can access or edit a
spreadsheet? - ANSWER - Encryption
How does storing data in multiple places affect data organization? -
ANSWER - It increases the storage space used.
Which process represents one of the essential roles of data integrity in
data analytics? - ANSWER - Ensuring the accuracy of data throughout
its life cycle
pg. 2
,A company has sales in multiple countries and needs to merge the sales
data into a single repository. Which data field will need a thorough
integrity check before the merge? - ANSWER - Total revenue
An analyst is explaining the results of an analysis to stakeholders and
wants to highlight the sample used. How should this analyst explain the
concept of a sample in the context of data analysis? - ANSWER - A
representative subset of all values within a data set
An analyst wants to determine the number of households with a minivan
in the state of New York. Considering that it is unfeasible to survey the
population, the analyst surveys enough people for it to be a
representative sample. Which data integrity concept does this describe? -
ANSWER - Sampling
An analyst is expected to map the location of all stores in a company
retail network based on data from the sales team. Which field's data
integrity check is relevant to this task? - ANSWER - Store address
An analyst entering recently paid invoices into an accounting system
skips the decimal values of the amount paid. Which type of dirty data
does this scenario present? - ANSWER - Incorrect data
What function do data engineers perform to ensure clean data? -
ANSWER - Transform data into useful formats for analysis and provide
a reliable structure
pg. 3
, An analyst performing data cleansing on invoice data would like to
remove rows that are repeated across all columns. Which spreadsheet
functionality should the analyst use? - ANSWER - Remove duplicates
An analyst completed a set of data cleansing steps and is unable to find
the original data set to compare. Which data cleansing error did this
analyst commit? - ANSWER - Not backing up prior to data cleansing
An analyst performing data cleansing wants to capitalize the first
character of the columns containing first and last names. Which
spreadsheet functionality should the analyst use? - ANSWER - Proper
Which feature of Structured Query Language (SQL) databases enables
enterprise data cleansing? - ANSWER - Enables access across tables
An analyst wants to clean large data sets with millions of rows residing
in different types of databases prior to analysis. Which action should the
analyst take to achieve this goal? - ANSWER - Select the appropriate
SQL dialect based on the database type
After completing data cleansing, an analyst wants to remove all
temporarily created tables from a database. Which Structured Query
Language (SQL) query should the analyst use? - ANSWER - DROP
TABLE IF EXISTS query
pg. 4
