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CompTIA DA0-002 Exam Syllabus Topics:

TopicDetails
Topic 1
  • This section of the exam measures skills of a Data Governance Associate and introduces principles for keeping data secure, accurate, and compliant. It covers access controls, encryption, classification of sensitive data like PII and PHI, and legal requirements tied to data use. Candidates must know how to apply quality checks, validate data, and manage master data effectively. It also addresses best practices for maintaining integrity through data dictionaries, audits, and standardisation processes.
Topic 2
  • Data Analysis: This section of the exam measures skills of a Reporting Analyst and includes foundational knowledge of statistical methods such as averages, variances, and standard deviation. It covers how to use data to find patterns, track performance, and make predictions. This domain also introduces hypothesis testing, regression, correlation, and different types of analysis like exploratory and trend analysis. Candidates should also be aware of common tools used for analysis, including Excel, SQL, Python, R, and popular BI platforms like Tableau and Power BI.
Topic 3
  • 5.0 Data Governance, Quality, and Controls
Topic 4
  • Visualization: This section of the exam measures skills of a Data Visualisation Specialist and focuses on turning raw data into clear, visual insights. It teaches how to match visual formats like bar charts, heat maps, and line graphs to specific audiences and needs. Candidates must understand how to create dashboards and reports using proper design elements such as labels, layout, branding, and colour schemes. This section also includes best practices for dashboard development and delivery through various platforms and user access levels.

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CompTIA Data+ Exam Sample Questions (Q123-Q128):

NEW QUESTION # 123
An analyst needs to combine the following two tables. The analyst needs to keep all the records in the Medals table and only the records that match from the Country table.

Which of the following methods should the analyst use for this task?

Answer: B

Explanation:
A join is used to combine rows from two tables based on a common field, in this case Person_ID.
Since all records from the Medals table must be retained and only matching records from the Country table included, the appropriate operation is a left join, which is a type of join.


NEW QUESTION # 124
A data analyst receives four files that need to be unified into a single spreadsheet for further analysis. All of the files have the same structure, number of columns, and field names, but each file contains different values. Which of the following methods will help the analyst convert the files into a single spreadsheet?

Answer: A


NEW QUESTION # 125
A data analyst is working on a three-year project to deliver sales reports on a monthly basis. The client wants a thorough analysis into customer profiles for a specific region and month. Which of the following delivery methods best fulfills this request?

Answer: D

Explanation:
An ad hoc delivery method is used when a stakeholder requests a detailed, specific analysis that is not part of the standard recurring reports. The request for a thorough analysis of customer profiles for a particular region and month is a targeted, one-time inquiry that is best fulfilled through an ad hoc report.


NEW QUESTION # 126
Which of the following is the best reason for a company to use a CSV file to share data instead of an Excel file?

Answer: C

Explanation:
This question pertains to theData Concepts and Environmentsdomain, focusing on file formats for data sharing. The task is to identify the best reason to choose CSV over Excel for sharing data.
* CSV files can store different types of encoding (Option A): While CSV files can use different encodings, this isn't the primary reason to choose them over Excel.
* CSV files are not vendor-specific (Option B): CSV is a plain-text format that can be opened by any software, unlike Excel files, which are tied to Microsoft Excel, making CSV more interoperable and the best reason for sharing.
* CSV files are smaller in size (Option C): CSV files are often smaller due to their simplicity, but this isn't always the primary reason for sharing.
* CSV files are easier to change in text editors (Option D): While true, this isn't the most compelling reason for sharing data across systems.
The DA0-002 Data Concepts and Environments domain includes understanding "data schemas and dimensions," and CSV's vendor-neutral nature makes it ideal for sharing data.
Reference: CompTIA Data+ DA0-002 Draft Exam Objectives, Domain 1.0 Data Concepts andEnvironments.


NEW QUESTION # 127
Hotspot Question
The director of operations at a power company needs data to help identify where company resources should be allocated in order to monitor activity for outages and restoration of power in the entire state. Specifically, the director wants to see the following:
- County outages
- Status
- Overall trend of outages
INSTRUCTIONS
Select each visualization to fit the appropriate space on the dashboard. Once you have selected all visualizations, use the drop-down menus to select the appropriate dashboard titles and axis labels, if applicable.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.


Answer:

Explanation:


NEW QUESTION # 128
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