Kelly wants to get feedback on the final draft of a strategic report that has taken her six months to develop.What can she do to get prevent confusion as see seeks feedback before publishing the report?Choose the best answer.

Use a watermark to identify the report as a draft.

Distribute the report to the appropriate stakeholders via email.

Use a watermark to identify the report as a draft.

Show the report to her immediate supervisor.

Publish the report on an internally facing website.

Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?

Determine the data necessary for the analysis

Rephrase the business requirement.

Determine the data necessary for the analysis

Build a mock dashboard/presentation layout.

Perform exploratory data analysis.

A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on marketing investment. Which of the following should the data analyst use to BEST communicate this information to the manager?

A summary with statistics, conclusions, and recommendations from the data analyst

A real-time monitor that allows the manager to view performance the day the campaign was launched

A sell-service dashboard that allows the manager to look at the company's annual budget performance

A spreadsheet of the raw data from all marketing campaigns and channels

A summary with statistics, conclusions, and recommendations from the data analyst

An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table below shows the percentage of users in each group who made purchases on the websites: Which of the following conclusions is accurate at a 95% confidence interval?

In general, users who visit the new website are more likely to make a purchase.

In Germany, the increase in conversion from the new layout was not significant.

In France, the increase in conversion from the new layout was not significant.

In general, users who visit the new website are more likely to make a purchase.

The new layout has the lowest conversion rates in the United Kingdom.

Which of the following are reasons to create and maintain a data dictionary? (Choose two.)

To remember specifics about data fields

To specify user groups for databases

To provide continuity through personnel turnover

To confine breaches of PHI data

To reduce processing power requirements

A recurring event is being stored in two databases that are housed in different geographical locations. A data analyst notices the event is being logged three hours earlier in one database than in the other database. Which of the following is the MOST likely cause of the issue?

The databases are recording the event in different time zones.

The data analyst is not querying the databases correctly.

The databases are recording different events.

The databases are recording the event in different time zones.

The second database is logging incorrectly.

'Which of the following is the BEST reason to use database views instead of tables?

Views reduce the need for repetitive, complex data joins.

Views allow for the storage of temporary data. whereas tables do not.

Views allow for the joining of multiple data sources, whereas tables do not.

Views can be used to restrict sensitive information.

Which of the following differentiates a flat text file from other data types?

Data is separated by a delimiter.

Data is stored in defined rows.

Data is defined with key-value pairs.

Data is housed in a markup language.

A data analyst is developing a dashboard to track and monitor metrics. Which of the following best practices should be taken into during the FIRST pment process?

Copy a dashboard design from the Internet.

An analyst is designing a dashboard to determine which site has the highest percentage of new customers. The analyst must choose an appropriate chart to include in the dashboard. The following data is available: Which of the following types of charts should be considered to best display the data?

Include a bar chart using the site and the percentage of new customers data.

Include a line chart using the site and the percentage of new customers data.

Include a pie chart using the site and percentage of new custorners data.

Include a scatter chart using the site and the percent of new customers data.

Which of the following is a difference between a primary key and a unique key?

There can be only one primary key in a data set, whereas there can be multiple unique keys.

A unique key cannot take null values, whereas a primary key can take null values.

There can be only one primary key in a data set, whereas there can be multiple unique keys.

A primary key can take a value more than once, whereas a unique key cannot take a value more than once.

A primary key cannot be a date variable, whereas a unique key can be.

A data analyst is creating a report that will provide information about various regions, products, and time periods. Which of the following formats would be the most efficient way to deliver this report?

A dashboard with filters at the top that the user can toggle

A workbook with multiple tabs for each region

A daily email with snapshots of regional summaries

A static report with a different page for every filtered view

A dashboard with filters at the top that the user can toggle

A data analyst is designing a dashboard that will provide a story of sales and determine which site is providing the highest sales volume per customer The analyst must choose an appropriate chart to include in the dashboard. The following data is available: Which of the following types of charts should be considered?

Include a column chart using the site and sales to average sales per customer.

Include a line chart using the site and average sales per customer.

Include a pie chart using the site and sales to average sales per customer.

Include a scatter chart using sales volume and average sales per customer.

Include a column chart using the site and sales to average sales per customer.

CompTIA DA0-001 Practice Test 4 - Free Online Exam Prep & Questions

You have two databases tables that you would like to join together using a foreign key relationship.

What term best describes this action?

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CompTIA DA0-001 Practice Test 4

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