DA0-002 Unterlage, DA0-002 Prüfungsinformationen

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CompTIA DA0-002 Prüfungsplan:

ThemaEinzelheiten
Thema 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.
Thema 2
  • Data Mining: This section of the exam measures skills of a Business Intelligence Analyst and covers how data is collected, cleaned, and prepared for analysis. It explains methods like ETL and ELT for data integration, as well as web scraping, API use, and survey data collection. Candidates are expected to identify issues like missing or duplicated data and apply techniques like filtering, sorting, merging, and normalizing. The section also touches on query optimization strategies to improve data handling efficiency.
Thema 3
  • 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.
Thema 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.

>> DA0-002 Unterlage <<

DA0-002 Prüfungsinformationen & DA0-002 Zertifizierungsantworten

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CompTIA Data+ Exam DA0-002 Prüfungsfragen mit Lösungen (Q116-Q121):

116. Frage
A data analyst must create a report to analyze the flow of services from call receipt to service completion using established time points. Which of the following techniques should the analyst use to create the needed variables?

Antwort: D

Begründung:
Calculating is used to create new variables from existing data through mathematical operations.
To analyze the flow of services between call receipt and service completion using established time points, the analyst would calculate variables such as elapsed time, service duration, or response time from the existing timestamps.


117. Frage
Which of the following file types separates data using a delimiter?

Antwort: C

Begründung:
A CSV file stores data in plain text format where values are separated by a delimiter, typically a comma, making it a standard delimited file type.


118. Frage
A data breach occurs at a company. Which of the following actions should be taken?

Antwort: B

Begründung:
A data breach must be reported internally to management and then to appropriate regulatory authorities to ensure proper incident response, legal compliance, and coordinated communication.


119. Frage
Given the following tables:

Which of the following data privacy practices is being used to protect employees' email addresses when creating a report?

Antwort: B

Begründung:
Masking hides sensitive data by replacing portions of the original value with obscured characters, such as replacing email addresses with "xxxxx@company.com" while preserving the format.


120. Frage
An analyst needs to create a collection of dashboards for multiple teams within the organization.
Which of the following should the analyst do first before starting the project?

Antwort: A

Begründung:
Understanding user personas ensures the dashboards are designed to meet the needs, roles, and expectations of different teams before defining metrics, delivery, or access.


121. Frage
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