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CompTIA DA0-001 Practice Test - Questions Answers, Page 25

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Question 241

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The senior management team at a company receives a detailed sales report at the end of each quarter. The report is several pages long and includes data from dozens of offices across the country. The

Question 242

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A JSON file is an example of:

Question 243

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Standardized tests are given to students in the middle of each month, and the results are ready by the end of the month. The superintendent needs a quick view of test performance. Which of the follo

Question 244

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Given the following data table: Which of the following are appropriate reasons to undertake data cleansing? (Select two).

Question 245

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Which of the following is the best description of the term 'data governance'?

Question 246

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A survey asks participants to rate a company on a scale of one to ten. Which of the following best describes the rating variable?

Question 247

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A data analyst must fulfill a request for information that is needed weekly and should be automatically emailed to a specific set of users. Which of the following types of reports should the analyst

Question 248

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An analyst reviews the following data: 7 3 5 2 3 7 7 10 Which of the following is the value of the mode?

Question 249

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Which of the following would be the best way to identify multicollinear attributes in a data set?

Question 250

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An analyst develops an IT document and needs to describe the technical terms used in the document. Which of the following is where the analyst should include descriptions of the technical terms?

Question 241

The senior management team at a company receives a detailed sales report at the end of each quarter. The report is several pages long and includes data from dozens of offices across the country. The team wants a better way to get a quick snapshot of what is included in the report. Which of the following modifications would best meet this requirement?

Modifying documentation elements to include reference data sources

Modifying the font size and style so important data points are more visible

Modifying the report to include a summary section with observations and insights

Modifying the report layout so it is easier to follow and understand

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Question 242

A JSON file is an example of:

structured data.

web data.

machine data.

processed data.

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Question 243

Standardized tests are given to students in the middle of each month, and the results are ready by the end of the month. The superintendent needs a quick view of test performance. Which of the following would be the best recommendation to meet the superintendent's requirements?

A dashboard with a continuous data stream and saved searches

A report of test scores by classroom, emailed to the superintendent at the end of the month

A report of test scores with pie charts showing student performance

A dashboard with a scheduled delivery, the ability to filter scores by school, and bar charts for comparison

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Question 244

Given the following data table:

Which of the following are appropriate reasons to undertake data cleansing? (Select two).

Non-parametric data

Missing data

Duplicate data

Invalid data

Redundant data

Normalized data

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Question 245

Which of the following is the best description of the term 'data governance'?

Data governance governs the development of a data visualization dashboard in an organization.

Data governance is the policy that protects against data breaches by cybercriminals.

Data governance is the process of analyzing, manipulating, and reporting data in an organization.

Data governance is the availability, usability, integrity, and security of data in an enterprise.

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Question 246

A survey asks participants to rate a company on a scale of one to ten. Which of the following best describes the rating variable?

Continuous

Ordinal

Categorical

Nominal

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Question 247

A data analyst must fulfill a request for information that is needed weekly and should be automatically emailed to a specific set of users. Which of the following types of reports should the analyst recommend?

A self-service report

A research report

An ad hoc report

An operational report

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Question 248

An analyst reviews the following data:

Which of the following is the value of the mode?

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Question 249

Which of the following would be the best way to identify multicollinear attributes in a data set?

Correlation coefficient

Chi-squared test

Two-sample f-test

Two-way ANOVA

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Question 250

An analyst develops an IT document and needs to describe the technical terms used in the document. Which of the following is where the analyst should include descriptions of the technical terms?

Glossary

System diagram

User requirements

Index

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Total 263 questions