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What are the special features of the CompTIA DA0-001 Exam

The CompTIA Data+ certification is an important one, because it's the first of its kind. It was developed to ensure that IT professionals had the necessary skills to work with data and perform advanced analysis.

The CompTIA Data+ certification is also unique in that it can be applied across several different industries. In fact, the curriculum for this exam focuses on three different areas: data analysis, communication and technology. This means that you'll need a strong understanding of all three areas to qualify for this exam. CompTIA DA0-001 exam dumps are the best way to make you perp fast.

The CompTIA Data+ certification is designed for those who have already gained experience working with data or those who want to learn more about it. The test consists of a series of questions designed to measure your knowledge about various aspects of data analysis.

What is the exam cost of the CompTIA DA0-001 Exam

The exam cost of the CompTIA DA0-001 Exam is 239 USD.

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The CompTIA DA0-001, also known as the CompTIA Data+ Certification Exam, is a certification exam designed to validate the skills and knowledge of IT professionals in the area of data management. This exam covers a wide range of topics, including data storage, organization, analysis, and security. It is a vendor-neutral exam that evaluates the candidate's ability to work with different types of data and tools, regardless of the technology or platform used.

CompTIA Data+ Certification Exam Sample Questions (Q69-Q74):

NEW QUESTION # 69
Alex wants to use data from his corporate sale, CRM, and shipping systems to try and predict future sales.
Which of the following systems is the most appropriate?
Choose the best answer.

  • A. OLTP.
  • B. Data Warehouse.
  • C. OLAP.
  • D. Data mart.

Answer: B

Explanation:
Correct answer: C. Data Warehouse.
Data warehouse bring together data from multiple systems used by an organization.
A data mart is too narrow, as Alex needs data from across multiple divisions.
OLAP is a broad term of analytical processing, and OLTP systems are transactional and not ideal for this task.


NEW QUESTION # 70
Which of the following statistical methods requires two or more categorical variables?

  • A. Chi-squared test
  • B. Z-test
  • C. Simple linear regression
  • D. Two-sample t-test

Answer: A


NEW QUESTION # 71
What data obfuscation technique is designed to be reversible?

  • A. Hashing
  • B. Tokenization
  • C. Deletion
  • D. Masking

Answer: B


NEW QUESTION # 72
While reviewing survey data, an analyst notices respondents entered "Jan," "January," and "01" as responses for the month of January. Which of the following steps should be taken to ensure data consistency?

  • A. Sort any of the responses that say "Jan" and update them to "01".
  • B. Filter on any of the responses that do not say "January" and update them to "January".
  • C. Delete any of the responses that do not have "January" written out.
  • D. Replace any of the responses that have "01".

Answer: B


NEW QUESTION # 73
A customer list from a financial services company is shown below:

A data analyst wants to create a likely-to-buy score on a scale from 0 to 100, based on an average of the three numerical variables: number of credit cards, age, and income. Which of the following should the analyst do to the variables to ensure they all have the same weight in the score calculation?

  • A. Calculate the standard deviations of the variables.
  • B. Recode the variables.
  • C. Normalize the variables.
  • D. Calculate the percentiles of the variables.

Answer: A


NEW QUESTION # 74
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