DA0-001 Exam Details

  • Exam Code
    :DA0-001
  • Exam Name
    :CompTIA Data+
  • Certification
    :CompTIA Certifications
  • Vendor
    :CompTIA
  • Total Questions
    :367 Q&As
  • Last Updated
    :May 29, 2026

CompTIA DA0-001 Online Questions & Answers

  • Question 91:

    A data analyst was asked to create a chart that shows the relationship between study hours and exam scores for each student using the data sets in the table below:

    Which of the following charts would BEST represent the relationship between the variables?

    A. A histogram
    B. A scatter plot
    C. A heat map
    D. A bar chart

  • Question 92:

    An analyst has been tracking company intranet usage and has been asked to create a chat to show the most-used/most-clicked portions of a homepage that contains more than 30 links.

    Which of the following visualizations would BEST illustrate this information?

    A. Scatter plot
    B. Heat map
    C. Pie chart
    D. Infographic

  • Question 93:

    Which of the following is an object associated with a table that sorts and stores table row data in a key-value pair?

    A. Foreign key
    B. Function
    C. Stored procedure
    D. Clustered index

  • Question 94:

    A data analyst needs to create a dashboard using the company's yearly revenue data sets.

    Which of the following would be the best way to plot the information to show the top- performing region?

    A. A line chart
    B. A waterfall chart
    C. A heat map
    D. A stacked bar chart

  • Question 95:

    An analyst notices changes in sales ratios when analyzing a quarterly report. Which of the following is the analyst conducting?

    A. A gap analysis
    B. A link analysis
    C. A trend analysis
    D. A statistical analysis

  • Question 96:

    An analyst wants to extract data from a variety of sources and store the data in a cloud- based environment prior to cleaning. Which of the following integration techniques should the analyst use?

    A. ETL
    B. API
    C. SQL
    D. ELT

  • Question 97:

    Which of the following is an example of discrete data?

    A. The number of employees at a company
    B. The amount of rain that falls in a storm
    C. The temperature at a weather station
    D. The power consumption in a building

  • Question 98:

    Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?

    A. Duplicate data
    B. Missing data
    C. Data outliers
    D. Invalid data type

  • Question 99:

    A data analyst is developing a dashboard to track and monitor metrics. Which of the following best practices should be taken into during the FIRST pment process?

    A. Create a A Aupirarrame:
    B. Deploy to production.
    C. Copy a dashboard design from the Internet.
    D. Develop a dashboard.

  • Question 100:

    Which of the following are reasons to create and maintain a data dictionary? (Choose two.)

    A. To improve data acquisition
    B. To remember specifics about data fields
    C. To specify user groups for databases
    D. To provide continuity through personnel turnover
    E. To confine breaches of PHI data
    F. To reduce processing power requirements

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