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DA-100, DA-100, Data analyst Expert SOLVED CORRECTLY QUESTIONS 2024 GRADE A+ ASSURED
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DA-100, DA-100, Data analyst Expert SOLVED CORRECTLY QUESTIONS 2024 GRADE A+ ASSURED Split the Date column into two columns, one that contains only the time and another that contains only the date. - ANSWER You have a large dataset that contains more than 1 million rows. The table has a da...

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  • 6 november 2024
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Voorbeeld van de inhoud

A
VI
TU
IS
M

DA-100, DA-100, Data
O


analyst Expert SOLVED
A
N




CORRECTLY QUESTIONS
JP




2024 GRADE A+ ASSURED

,D. Split the Date column into two columns, one that contains only the time and another
that contains only the date. - ANSWER You have a large dataset that contains more
than 1 million rows. The table has a datetime column named Date. You need to reduce
the size of the data model. What should you do?
· A. Round the hour of the Date column to startOfHour.
· B. Change the data type of the Date column to Text.
· C. Trim the Date column.




A
· D. Split the Date column into two columns, one that contains only the time and another
that contains only the date.




VI
· B. Remove the Subject and Body columns during the import. - ANSWER You have
a custom connector that returns ID, From, To, Subject, Body, and Has Attachments for




TU
every email sent during the past year. More than 10 million records are returned. You
build a report analyzing the internal networks of employees based on whom they send
emails to. You need to prevent report recipients from reading the analyzed emails. The
solution must minimize the model size. What should you do?
IS
· A. Implement row-level security (RLS) so that the report recipients can only see results
based on the emails they sent.
· B. Remove the Subject and Body columns during the import.
M
· C. From Model view, set the Subject and Body columns to Hidden.
O

A. Group the impressions by Ad_id, Site_name, and Impression_date. Aggregate by
using the CountRows function.
B. Create one-to-many relationships between the tables. - ANSWER The
A



Impressions table contains approximately 30 million records per month. You need to
create an ad analytics system to meet the following requirements:
N




✑ Present ad impression counts for the day, campaign, and Site_name. The analytics
for the last year are required.
✑ Minimize the data model size.
JP




Which two actions should you perform? Each correct answer presents part of the
solution.

A. Group the impressions by Ad_id, Site_name, and Impression_date. Aggregate by
using the CountRows function.
B. Create one-to-many relationships between the tables.
C. Create a calculated measure that aggregates by using the COUNTROWS function.
D. Create a calculated table that contains Ad_id, Site_name, and Impression_date.

, · D. web content - ANSWER Your company has training videos that are published to
Microsoft Stream. You need to surface the videos directly in a Microsoft Power BI
dashboard. Which type of tile should you add?
· A. video
· B. custom streaming data
· C. text box
· D. web content




A
· D. Column quality - ANSWER You open a query in Power Query Editor. You need
to identify the percentage of empty values in each column as quickly as possible. Which




VI
Data Preview option should you select?
· A. Show whitespace
· B. Column profile




TU
· C. Column distribution
· D. Column quality

· C. Enable Column profiling based on entire dataset.
IS
· E. Select Column profile. - ANSWER You have a prospective customer list that
contains 1,500 rows of data. The list contains the following fields:
✑ First name
✑ Last name
M
✑ Email address
✑ State/Region
O

✑ Phone number
You import the list into Power Query Editor. You need to ensure that the list contains
records for each State/Region to which you want to target a marketing campaign. Which
A



two actions should you perform?
· A. Open the Advanced Editor.
N




· B. Select Column quality.
· C. Enable Column profiling based on entire dataset.
· D. Select Column distribution.
JP




· E. Select Column profile.

1. Remove Column
2. List.Select
3. Text.EndsWith - ANSWER HOTSPOT -You have an API that returns more than
100 columns. The following is a sample of column names.
✑ client_notified_timestamp
✑ client_notified_source

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