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  3. DA0-002

CompTIA DA0-002 Exam (page: 3)
CompTIA Data+ (2025)
Updated on: 12-Feb-2026

Viewing Page 3 of 15
DA0-002 PDF 111 Questions

[Data Concepts and Environments]
Which of the following best describes the reason an analyst would reference a data dictionary versus a source's metadata?

  1. To gather information and resources about the data
  2. To find the content and specific attributes for a dataset
  3. To find a summary of basic information about the dataset
  4. To gather information about the availability of the data

Answer(s): B



[Data Acquisition and Preparation]
A data analyst is joining two tables with different content and one common field.
Which of the following should the analyst do to most efficiently meet this requirement?

  1. Match the records of the related columns and merge the tables.
  2. Create a cluster to facilitate data integration between the tables.
  3. Explode both tables to identify unique values and reorder the fields in one table.
  4. Append the values of the matching columns and concatenate the other data fields.

Answer(s): A



[Data Concepts and Environments]

A data analyst pulls a table similar to the following one:
ID
Type
TypeID
Phone
Full Time
Full Time 1
Mobile
Part Time
Part Time 2
Work
Full Time
Full Time 3
Mobile
Which of the following best explains the data issue with TypeID?

  1. Redundancy
  2. Outlier
  3. Missing data
  4. Duplication

Answer(s): A



[Data Analysis]
Which of the following AI types is the best option for time-series forecasting?

  1. Generative AI
  2. Foundational models
  3. Natural language processing
  4. Robotic process automation

Answer(s): B



[Data Governance]

A data analyst is following up on a recent, company-wide data audit of customer invoice dat

  1. Which of the following is the best option for the analyst to use?
  2. PCI DSS
  3. GDPR
  4. ISO
  5. PII

Answer(s): B



[Data Governance]
A database administrator needs to implement security triggers for an organization's user information database.
Which of the following data classifications is the administrator most likely using? (Select two).

  1. Public
  2. Open
  3. Sensitive
  4. Non-Sensitive
  5. Private
  6. Encrypted

Answer(s): C,E



[Data Analysis]
A data analyst is analyzing the following dataset:

Transaction Date
Quantity
Item
Item Price
12/12/12
USB Cords
9.99
11/11/11
Charging Block
8.89

10/10/10
Headphones
50.15
Which of the following methods should the analyst use to determine the total cost for each transaction?

  1. Parsing
  2. Scaling
  3. Compressing
  4. Deriving

Answer(s): D



[Visualization and Reporting]
A senior manager needs a report that can be generated and accessed at any time.
Which of the following delivery methods should a data analyst use?

  1. Ad hoc
  2. Dynamic
  3. Self-service
  4. Static

Answer(s): C



Viewing Page 3 of 15



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