Exam Details

  • Exam Code
    :DA0-001
  • Exam Name
    :CompTIA Data+
  • Certification
    :CompTIA Data+
  • Vendor
    :CompTIA
  • Total Questions
    :215 Q&As
  • Last Updated
    :

CompTIA CompTIA Data+ DA0-001 Questions & Answers

  • Question 191:

    A military commander would like to see the health scorecards of the troops daily and filter them based on gender and rank. Considering this data is PHI, which of the following would be the best way for the commander to view the information?

    A. An emailed report

    B. A password-protected dashboard

    C. A daily printout of a report

    D. A cloud-hosted spreadsheet

  • Question 192:

    Given the following data tables:

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

    A. Creation of a data dictionary

    B. Compliance with regulations

    C. Standardization of data field names

    D. Consolidation of multiple data fields

  • Question 193:

    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. Recode the variables.

    B. Calculate the percentiles of the variables.

    C. Calculate the standard deviations of the variables.

    D. Normalize the variables.

  • Question 194:

    An analyst must obtain the average daily sales for the following week: Which of the following must the analyst perform to obtain this value?

    A. Data normalization

    B. Data append

    C. Data aggregation

    D. Data blending

  • Question 195:

    Which of the following query optimization techniques involves examining only the data that is needed for a particular task?

    A. Making a temporary table

    B. Creating a flat file

    C. Indexing documents

    D. Creating an execution plan

  • Question 196:

    Jenny wants to study the academic performance of undergraduate sophomores and wants to determine the average grade point average at different points during an academic year.

    What best describes the data set she needs?

    A. Sample.

    B. Observation.

    C. Variable.

    D. Population.

  • Question 197:

    A financial analyst is creating a daily billing report for a company. One night, the company's data warehouse did not update the data, which caused the data to be reported incorrectly the next day. Which of the following documentation elements should the analyst add to catch this error?

    A. Version number

    B. Data refresh

    C. Frequently asked questions tab

    D. Summary

  • Question 198:

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

    A. Boolean

    B. String

    C. Integer

    D. Float

  • Question 199:

    Joseph is interpreting a left skewed distribution of test scores. Joe scored at the mean, Alfonso scored at the median, and gaby scored and the end of the tail.

    Who had the highest score?

    A. Joseph

    B. Joe

    C. Alfonso

    D. Gaby

  • Question 200:

    Which of the following is an example of a discrete data type?

    A. 8in (20cm)

    B. 5 kids

    C. 2.5mi (4km)

    D. 10.7lbs (4.9kg)

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