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CompTIA Updated DA0-001 Exam Questions and Answers by zak

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CompTIA DA0-001 Exam Overview :

Exam Name: CompTIA Data+ Certification Exam
Exam Code: DA0-001 Dumps
Vendor: CompTIA Certification: CompTIA Data+
Questions: 363 Q&A's Shared By: zak
Question 44

A data scientist wants to see which products make the most money and which products attract the most customer purchasing interest in their company.

Which of the following data manipulation techniques would he use to obtain this information?

Options:

A.

Data append

B.

Data blending

C.

Normalize data

D.

Data merge

Discussion
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Question 45

An analyst has written the following code:

SELECT *

FROM Cust_table

WHERE age > 60 AND City = "New York"

Which of the following criteria is the analyst retrieving?

Options:

A.

All customers older than age 60 in New York state

B.

All customers aged 60 and older in New York state

C.

All customers older than age 60 in New York City

D.

All customers younger than age 60 in New York City

Discussion
Question 46

After the daily ETL jobs are completed, the data in the reports does not appear complete, and a lot of data seems to be missing. Which of the following concepts should be used to assess and investigate further?

Options:

A.

Cross-validation

B.

Data profiling

C.

Data integrity

D.

Data consistency

Discussion
Question 47

Which of the following data manipulation techniques is an example of a logical function?

Options:

A.

WHERE

B.

AGGREGATE

C.

BOOLEAN

D.

IF

Discussion
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