Free PDF Quiz 2026 CompTIA Accurate DA0-002: CompTIA Data+ Exam Exam PDF

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CompTIA DA0-002 Exam Syllabus Topics:

SectionWeightObjectives
Data Governance, Quality, and Controls16%- Security and privacy
  • 1. Access controls and encryption
  • 2. Audit trails and logging
  • 3. Data classification and protection
  • 4. Foundational AI considerations in data lifecycle
- Data governance frameworks
  • 1. Policies, standards, and procedures
  • 2. Data stewardship and ownership
  • 3. Compliance requirements (GDPR, CCPA, etc.)
- Data quality management
  • 1. Quality dimensions (accuracy, completeness, consistency)
  • 2. Quality assessment and monitoring
  • 3. Remediation strategies
Data Analysis24%- Inferential statistics
  • 1. Correlation and regression basics
  • 2. Hypothesis testing
  • 3. Confidence intervals
- Descriptive statistics
  • 1. Data distributions
  • 2. Measures of central tendency
  • 3. Measures of dispersion
- Analysis tools and techniques
  • 1. BI platforms and notebooks
  • 2. Libraries and functions for analysis
  • 3. SQL for data analysis
Data Mining25%- Data preparation and cleansing
  • 1. Handling missing values and duplicates
  • 2. Data normalization and transformation
  • 3. Data cleaning techniques
- Data enrichment and integration
  • 1. Data mapping and lineage
  • 2. Derived columns and calculated fields
  • 3. Joining and merging datasets
- Data acquisition and collection
  • 1. ETL/ELT processes
  • 2. Data sources and ingestion methods
  • 3. APIs and connectors
Data Concepts and Environments20%- Data types and metadata
  • 1. Metadata and its role in data management
  • 2. Data types (string, numeric, Boolean, date)
- Database fundamentals
  • 1. Cloud and containerized data environments
  • 2. Relational vs. non-relational databases
  • 3. Schemas and data models
- Data structures and formats
  • 1. Common data formats (JSON, XML, CSV)
  • 2. File types and their use cases
  • 3. Structured, semi-structured, and unstructured data
Visualization15%- Storytelling with data
  • 1. Narrative techniques for data communication
  • 2. Audience-appropriate visuals
  • 3. Executive summaries and key insights
- Dashboard and report design
  • 1. Chart types and their applications
  • 2. Dashboard components and layout
  • 3. Visualization best practices

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CompTIA Data+ Exam Sample Questions (Q45-Q50):

NEW QUESTION # 45
A manager wants a report that contains the days off for each direct report. The manager needs this report to always be up-to-date with the latest data. Which of the following describes the refresh frequency that the manager is requesting?

Answer: D

Explanation:
Real-time refresh ensures the report is continuously updated with the latest data as changes occur, keeping it always current.


NEW QUESTION # 46
Which of the following is found in metadata?

Answer: C

Explanation:
This question pertains to theData Concepts and Environmentsdomain, focusing on the content of metadata.
Metadata describes data attributes, and the task is to identify what it typically includes.
* Transformations (Option A): Transformations (e.g., data cleaning steps) are part of data lineage, not metadata.
* Data lineage (Option B): Data lineage tracks data flow and transformations, which is related to metadata but not a direct component.
* Syntax (Option C): Syntax refers to code structure, not a metadata component.
* Variable types (Option D): Metadata includes information about data fields, such as variable types (e.
g., integer, string), which is a standard component.
The DA0-002 Data Concepts and Environments domain includes understanding "data schemas and dimensions," and metadata typically contains details like variable types to describe the dataset.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 1.0 Data Concepts and Environments.


NEW QUESTION # 47
An analyst must use the same data to create reports for police patrol supervisors, the city council, and a public website. Which of the following is the best way to differentiate the reports?

Answer: D


NEW QUESTION # 48
A data breach occurs at a company. Which of the following actions should be taken?

Answer: B

Explanation:
This question falls under theData Governancedomain, focusing on data breach response protocols. A data breach requires a structured response to comply with legal and regulatory requirements.
* Make an announcement on social media so customers are aware as soon as possible (Option A):
Public announcement without internal coordination or regulatory notificationcan lead to legal issues and loss of trust.
* Tell the company management team and then tell regulatory agencies (Option B): This follows best practices: inform internal leadership to coordinate a response, then notify regulatory agencies as required by laws (e.g., GDPR mandates notification within 72 hours).
* Keep the incident a secret until the issue is resolved (Option C): This violates regulations requiring timely breach notification.
* Inform the entire IT sector, but ask for discretion (Option D): Sharing with the IT sector is vague and risks leaks; regulatory agencies should be prioritized.
The DA0-002 Data Governance domain includes "data privacy concepts," such as proper breach response procedures, emphasizing internal and regulatory notification.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 5.0 Data Governance.


NEW QUESTION # 49
A data analyst needs to identify outliers from a given data set. Which of the following visualizations is the best way to identify outliers?

Answer: A

Explanation:
A box plot is specifically designed to display the distribution of data and highlight outliers. Values that fall significantly above or below the typical range are shown separately from the whiskers, making outliers easy to identify.


NEW QUESTION # 50
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