DA0-001 Practice Test

DA0-001 Practice Test practice questions, page 4 of 17, with answer review and explanations.

Question 16

Which of the following is the correct data type for text?

  1. Boolean
  2. String
  3. Integer
  4. Float

Question 17

Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?

  1. Rephrase the business requirement.
  2. Determine the data necessary for the analysis.
  3. Build a mock dashboard/presentation layout.
  4. Perform exploratory data analysis.

Question 18

Which of the following is a common data analytics tool that is also used as an interpreted, high-level, general-purpose programming language?

  1. SAS
  2. Microsoft Power BI
  3. IBM SPSS
  4. Python

Question 19

A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on marketing investment. Which of the following should the data analyst use to BEST communicate this information to the manager?

  1. A real-time monitor that allows the manager to view performance the day the campaign was launched
  2. A sell-service dashboard that allows the manager to look at the company’s annual budget performance
  3. A spreadsheet of the raw data from all marketing campaigns and channels
  4. A summary with statistics, conclusions, and recommendations from the data analyst

Question 20

A data analyst for a media company needs to determine the most popular movie genre. Given the table below: Which of the following must be done to the Genre column before this task can be completed?

  1. Append
  2. Merge
  3. Concatenate
  4. Delimit