Why should you only request access to the data you need?
Select an answer:
to save on costs for the company
to prevent copyright infringements
to protect yourself and your organization
Why is it important to note where your source data comes from?
Select an answer:
so you have a path to follow if something is off in your data
so you can have the source data file at hand even when changes are made
so you are in data governance compliance
Which function is used to create aggregated datasets in Power Query?
Select an answer:
the Group
function
the Group By
function
the sort
function
What is a benefit of maintaining your original data?
Select an answer:
Cleanup is remembered for future projects.
Changes are automatically saved.
You are provided with an audit trail.
Which function in Excel determines what happens if a condition is true or false?
If you learn Power Query in Excel, in which other platform will you also know how to use it?
Select an answer:
Metabase
Google Data Studio
Power BI
Superset
Where can you go for assistance and examples regarding a program's syntax?
Select an answer:
a friend
the help desk
the Help menu
Which two basic SQL statements are needed for a select query?
Select an answer:
SELECT
and ORDER BY
SELECT
and WHERE
SELECT
and FROM
When you develop data for other people, you should ensure the copy that you are providing them is _____
.
Who is most likely responsible for processing, visualizing, and reporting from data to improve a business?
Select an answer:
a data analyst
a data engineer
a data architect
ETL, a critical process of data warehousing, stands for which three words?
Select an answer:
extract, transcribe, and leverage
enter, translate, and leverage
enter, transform, and leave
extract, transform, and load
Which data has a type?
Select an answer:
all data
data with numbers
data with text
data with strings
When you edit and clean a macro in Excel, you can also learn more about which programming language?
Which tool in Excel lets you import or connect to external data, and then shape and analyze that data in ways that meet your needs?
Select an answer:
Tableau Desktop
Power Query
Visual Basic Editor
At what level of an organization do you find the key area of data?
Select an answer:
every level
the end-user level
the top level
the bottom level
When you connect directly to the data, when does the data in your file get updated?
Select an answer:
when your company runs its regular software updates
when the data and the source system are updated
when you are given an updated file
If your company says that you are not allowed to access existing data, what should you do?
When using queries to model your data, what else will you leverage to create the datasets you need?
Select an answer:
source data
flat files
joins and join types
On the Home tab in Power Query, what should you select if you want to merge your two datasets into one?
Select an answer:
Merge Datasets as New
Merge Datasets
Merge Queries as New
Merge Queries
What is an example of cleaning data?
What is the biggest advantage of working with reusable datasets?
You are starting a new data project. What is one of the best sources to help you begin?
Select an answer:
technical documentation
queries
the database
existing reports
How do you combine fields in Power Query?
Select an answer:
Use the concatenate
function.
Use the VLOOKUP
function.
Use Conditional Column .
Use Merge Columns on the fields.
If you are joining data with queries, what must you know in order to validate your dataset?
In Excel, what is the difference between "count" and "numerical count"?
Select an answer:
"Count" will count everything, including text and numbers, while "numerical count" will count only numbers.
"Count" will count only text, while "numerical count" will count only numbers.
There is no difference between "count" and "numerical count," and they can be used interchangeably.
In Excel, what is the difference between "count" and "numerical count"?
Select an answer:
"Count" will count everything, including text and numbers, while "numerical count" will count only numbers.
"Count" will count only text, while "numerical count" will count only numbers.
There is no difference between "count" and "numerical count," and they can be used interchangeably.
What is an example of a logical function?
Select an answer:
the all
function
the IF
function
the sum
function
When you add two tables to a query window and you do not have a join type selected, what is created?
Select an answer:
an inner join
a right outer join
a cross join
a left outer join
Which tool can you use to find duplicates in Excel?
Select an answer:
Flash Fill
VLOOKUP
Conditional Formatting
Concatenation
If you want to change a selected column from lowercase to uppercase, what should you select?
Select an answer:
Replace Values
Change Type
Transform
When you have a lot of ground to cover in a meeting, what can you use to stay on track?
Select an answer:
sticky notes
a timer
note cards
a slide deck
What does Power Query use to change to what it determines is the appropriate data type?
Combining the definitions of three words describes a data analyst. What are the three words?
Select an answer:
analysis, analyze, and technology
data, programs, and analysis
analyze, data, and programs
data, analysis, and analyze