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CompTIA Data+ Exam Certification Details:

Passing Score	675 / 900
Exam Code	DA0-001
Books / Training	CompTIA Data+ Certification Training
Schedule Exam	Pearson VUE
Exam Name	CompTIA Data+

CompTIA DA0-001 Certification is an industry-recognized certification that is highly valued by employers. It is a great way for professionals to showcase their expertise in data management and to demonstrate their commitment to the field. With this certification, professionals can enhance their career prospects and increase their earning potential. Moreover, this certification is also a stepping stone for other advanced certifications in the field of data management, such as the Certified Data Management Professional (CDMP) certification.

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The CompTIA DA0-001 exam consists of 90 multiple-choice questions and has a time limit of 90 minutes. It covers a wide range of topics, including data storage, data analysis, data visualization, and data security. DA0-001 Exam is available in multiple languages, including English, Japanese, and Portuguese, and is administered at Pearson VUE testing centers around the world.

CompTIA Data+ Certification Exam Sample Questions (Q147-Q152):

NEW QUESTION # 147
Which of the following would be used to store unstructured data from different sources?

A. A data lake
B. A data warehouse
C. A database
D. A database management system

Answer: A

NEW QUESTION # 148
Which one of the following would not normally be considered a summary statistic?

A. z-score.
B. Variance.
C. Mean.
D. Standard deviation.

Answer: A

Explanation:
Simply put, a z-score (also called a standard score) gives you an idea of how far from the mean a data point is. But more technically it's a measure of how many standard deviations below or above the population mean a raw score is. A z-score can be placed on a normal distribution curve.

NEW QUESTION # 149
Given the following report:

Which of the following components need to be added to ensure the report is point-in-time and static? (Choose two.)

A. The date on which the report was run
B. The time period the report covers
C. A summary of the KPIs
D. A control group for the phrases
E. The date when the report was last accessed
F. Filter buttons for the status

Answer: B

Explanation:
The date on which the report was run. This is because the time period the report covers and the date on which the report was run are two components that need to be added to ensure the report is point-in-time and static, which means that the report shows the data as it was at a specific moment or interval in time, and does not change or update with new data. By adding the time period the report covers and the date on which the report was run, the analyst can indicate when and for how long the data was collected and analyzed, as well as avoid any confusion or ambiguity about the currency or validity of the data. The other components do not need to be added to ensure the report is point-in-time and static. Here is why:
A control group for the phrases is a type of group that serves as a baseline or a reference for comparison with another group that is exposed to some treatment or intervention, such as a target phrase in this case. A control group for the phrases does not need to be added to ensure the report is point-in-time and static, because it does not affect the time frame or the stability of the data. However, a control group for the phrases could be useful for evaluating the effectiveness or impact of the target phrases on customer satisfaction or retention.
A summary of the KPIs is a type of document that provides an overview or a highlight of the key performance indicators (KPIs), which are measurable values that indicate how well an organizationor a process is achieving its goals or objectives. A summary of the KPIs does not need to be added to ensure the report is point-in-time and static, because it does not affect the time frame or the stability of the data. However, a summary of the KPIs could be useful for communicating or presenting the main findings or insights from the report.
Filter buttons for the status are a type of feature or function that allows users to select or deselect certain values or categories in a column or a table, such as ticket statuses in this case. Filter buttons for the status do not need to be added to ensure the report is point-in-time and static, because they do not affect the time frame or the stability of the data. However, filter buttons for the status could be useful for exploring or analyzing different aspects or segments of the data.

NEW QUESTION # 150
An analyst needs to join two tables of data together for analysis. All the names and cities in the first table should be joined with the corresponding ages in the second table, if applicable.

Which of the following is the correct join the analyst should complete. and how many total rows will be in one table?

A. OUTER JOIN, seven rows
B. INNER JOIN, two rows
C. LEFT JOIN. four rows
D. RIGHT JOIN. five rows

Answer: C

Explanation:
The correct join the analyst should complete is B. LEFT JOIN, four rows.
A LEFT JOIN is a type of SQL join that returns all the rows from the left table, and the matched rows from the right table. If there is no match, the right table will have null values. A LEFT JOIN is useful when we want to preserve the data from the left table, even if there is no corresponding data in the right table1 Using the example tables, a LEFT JOIN query would look like this:
SELECT t1.Name, t1.City, t2.Age FROM Table1 t1 LEFT JOIN Table2 t2 ON t1.Name = t2.Name; The result of this query would be:
Name City Age Jane Smith Detroit NULL John Smith Dallas 34 Candace Johnson Atlanta 45 Kyle Jacobs Chicago 39 As you can see, the query returns four rows, one for each name in Table1. The name John Smith appears twice in Table2, but only one of them is matched with the name in Table1. The name Jane Smith does not appear in Table2, so the age column has a null value for that row.

NEW QUESTION # 151
Given the following customer and order tables:
Which of the following describes the number of rows and columns of data that would be present after performing an INNER JOIN of the tables?

A. Five rows, eight columns
B. Seven rows, eight columns
C. Nine rows, five columns
D. Eight rows, seven columns

Answer: B

NEW QUESTION # 152
......

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2025 Updated CompTIA DA0-001: CompTIA Data+ Certification Exam Reliable Torrent

CompTIA Data+ Exam Certification Details:

CompTIA DA0-001 Latest Exam Camp - New DA0-001 Exam Answers

CompTIA Data+ Certification Exam Sample Questions (Q147-Q152):

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