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CompTIA Updated DA0-001 Exam Questions and Answers by dalia

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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: dalia
Question 84

Given the following data tables:

Questions 84

Which of the following MDM processes needs to take place FIRST?

Options:

A.

Creation of a data dictionary

B.

Compliance with regulations

C.

Standardization of data field names

D.

Consolidation of multiple data fields

Discussion
Question 85

An organization would like to add a secondary email field to its customer database in order toenrich the customer profiles. Which of the following data manipulation techniques should the analyst use to add this information?

Options:

A.

Blend

B.

Merge

C.

Append

D.

Aggregate

Discussion
Question 86

A company’s marketing department wants to do a promotional campaign next month. A data analyst on the team has been asked to perform customer segmentation, looking at how recently a customer bought the product, at what frequency, and at what value. Which of the following types of analysis would this practice be considered?

Options:

A.

Prescriptive

B.

Trend

C.

Gap

D.

Custer

Discussion
Question 87

A database administrator needs to increase performance on a large dimension table. Which of the following is the best way to accomplish this task?

Options:

A.

Sampling

B.

Partitioning

C.

Windowing

D.

Sorting

Discussion
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