Expert Answers to CompTIA Exam DA0-001 Questions

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CompTIA Data+ CompTIA Data+ Certification Exam

CompTIA Data+ Certification Exam

Last Update Apr 1, 2025
Total Questions : 363

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Questions 2

A military commander would like to see the health scorecards of the troops daily and filter them based on gender and rank. Considering this data is PHI, which of the following would be the best way for the commander to view the information?

Options:

An emailed report

A password-protected dashboard

A daily printout of a report

A cloud-hosted spreadsheet

Discussion 0

Questions 3

Jhon is working on an ELT process that sources data from six different source systems.

Looking at the source data, he finds that data about the sample people exists in two of six systems.

What does he have to make sure he checks for in his ELT process?

Choose the best answer.

Options:

Duplicate Data.

Redundant Data.

Invalid Data.

Missing Data.

Discussion 0

Questions 4

Which one of the following would not normally be considered a summary statistic?

Options:

z-score.

Mean.

Variance.

Standard deviation.

Discussion 0

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Questions 5

Mario works with a group of R programmers tasked with copying data from an accounting system into a data warehouse.

In what phase are the group's R skills most relevant?

Options:

Extract.

Load.