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Reference: https://www.comptia.org/training/books/data-da0-001-study-guide
CompTIA DA0-001 Exam Syllabus Topics:
| Topic | Details |
|---|
Data Concepts and Environments - 15% |
| Identify basic concepts of data schemas and dimensions. | - Databases - Data mart/data warehousing/data lake - Online transactional processing (OLTP)
- Online analytical processing (OLAP)
- Schema concepts - Slowly changing dimensions - Keep current information
- Keep historical and current information
|
| Compare and contrast different data types. | - Date - Numeric - Alphanumeric - Currency - Text - Discrete vs. continuous - Categorical/dimension - Images - Audio - Video |
| Compare and contrast common data structures and file formats. | - Structures- Structured
- Defined rows/columns - Key value pairs - Unstructured
- Undefined fields - Machine data
- Data file formats - Text/Flat file
- Tab delimited - Comma delimited - JavaScript Object Notation (JSON)
- Extensible Markup Language (XML)
- Hypertext Markup Language (HTML)
|
Data Mining - 25% |
| Explain data acquisition concepts. | - Integration- Extract, transform, load (ETL)
- Extract, load, transform (ELT)
- Delta load
- Application programming interfaces (APIs)
- Data collection methods - Web scraping
- Public databases
- Application programming interface (API)/web services
- Survey
- Sampling
- Observation
|
| Identify common reasons for cleansing and profiling datasets. | - Duplicate data - Redundant data - Missing values - Invalid data - Non-parametric data - Data outliers - Specification mismatch - Data type validation |
| Given a scenario, execute data manipulation techniques. | - Recoding data - Derived variables - Data merge - Data blending - Concatenation - Data append - Imputation - Reduction/aggregation - Transpose - Normalize data - Parsing/string manipulation |
| Explain common techniques for data manipulation and query optimization. | - Data manipulation- Filtering
- Sorting
- Date functions
- Logical functions
- Aggregate functions
- System functions
- Query optimization - Parametrization
- Indexing
- Temporary table in the query set
- Subset of records
- Execution plan
|
Data Analysis - 23% |
| Given a scenario, apply the appropriate descriptive statistical methods. | - Measures of central tendency Mean Median Mode - Measures of dispersion- Range
Max Min - Distribution
- Variance
- Standard deviation
- Frequencies/percentages - Percent change - Percent difference - Confidence intervals |
| Explain the purpose of inferential statistical methods. | - t-tests - Z-score - p-values - Chi-squared - Hypothesis testing- Type I error
- Type II error
- Simple linear regression - Correlation |
| Summarize types of analysis and key analysis techniques. | - Process to determine type of analysis- Review/refine business questions
- Determine data needs and sources to perform analysis
- Scoping/gap analysis
- Type of analysis - Trend analysis
- Comparison of data over time - Performance analysis
- Tracking measurements against defined goals - Basic projections to achieve goals - Exploratory data analysis
- Use of descriptive statistics to determine observations - Link analysis
- Connection of data points or pathway
|
| Identify common data analytics tools. | - Structured Query Language (SQL) - Python - Microsoft Excel - R - Rapid mining - IBM Cognos - IBM SPSS Modeler - IBM SPSS - SAS - Tableau - Power BI - Qlik - MicroStrategy - BusinessObjects - Apex - Dataroma - Domo - AWS QuickSight - Stata - Minitab |
Visualization - 23% |
| Given a scenario, translate business requirements to form a report. | - Data content - Filtering - Views - Date range - Frequency - Audience for report |
| Given a scenario, use appropriate design components for reports and dashboards. | - Report cover page- Instructions
- Summary
- Observations and insights
- Design elements - Color schemes
- Layout
- Font size and style
- Key chart elements
- Titles - Labels - Legends - Corporate reporting standards/style guide
- Branding - Color codes - Logos/trademarks - Watermark
- Documentation elements - Version number
- Reference data sources
- Reference dates
- Report run date - Data refresh date - Frequently asked questions (FAQs) - Appendix
|
| Given a scenario, use appropriate methods for dashboard development. | - Dashboard considerations- Data sources and attributes
- Field definitions - Dimensions - Measures - Continuous/live data feed vs. static data
- Consumer types
- C-level executives - Management - External vendors/stakeholders - General public - Technical experts
- Development process - Mockup/wireframe
- Layout/presentation - Flow/navigation - Data story planning - Approval granted
- Develop dashboard
- Deploy to production
Delivery considerations - Subscription
- Scheduled delivery
- Interactive (drill down/roll up)
- Saved searches - Filtering - Static - Web interface - Dashboard optimization - Access permissions
|
| Given a scenario, apply the appropriate type of visualization. | - Line chart - Pie chart - Bubble chart - Scatter plot - Bar chart - Histogram - Waterfall - Heat map - Geographic map - Tree map - Stacked chart - Infographic - Word cloud |
| Compare and contrast types of reports. | - Static vs. dynamic reports - Ad-hoc/one-time report - Self-service/on demand - Recurring reports - Compliance reports (e.g., financial, health, and safety)
- Risk and regulatory reports
- Operational reports [e.g., performance, key performance indicators (KPIs)]
- Tactical/research report |
Data Governance, Quality, and Controls - 14% |
| Summarize important data governance concepts. | - Access requirements- Role-based
- User group-based
- Data use agreements
- Release approvals
- Security requirements - Data encryption
- Data transmission
- De-identify data/data masking
- Storage environment requirements - Shared drive vs. cloud based vs. local storage
- Use requirements - Acceptable use policy
- Data processing
- Data deletion
- Data retention
- Entity relationship requirements - Record link restrictions
- Data constraints
- Cardinality
- Data classification - Personally identifiable information (PII)
- Personal health information (PHI)
- Payment card industry (PCI)
- Jurisdiction requirements - Impact of industry and governmental regulations
- Data breach reporting - Escalate to appropriate authority
|
| Given a scenario, apply data quality control concepts. | - Circumstances to check for quality- Data acquisition/data source
- Data transformation/intrahops
- Pass through - Conversion - Data manipulation
- Final product (report/dashboard, etc.)
- Automated validation - Data field to data type validation
- Number of data points
- Data quality dimensions - Data consistency
- Data accuracy
- Data completeness
- Data integrity
- Data attribute limitations
- Data quality rule and metrics - Conformity
- Non-conformity
- Rows passed
- Rows failed
- Methods to validate quality - Cross-validation
- Sample/spot check
- Reasonable expectations
- Data profiling
- Data audits
|
| Explain master data management (MDM) concepts. | - Processes- Consolidation of multiple data fields
- Standardization of data field names
- Data dictionary
- Circumstances for MDM - Mergers and acquisitions
- Compliance with policies and regulations
- Streamline data access
|
The Importance Of CompTIA DA0-001 Exam For A Career In IT
The CompTIA Data+ certification is a great way to show your knowledge and skills in IT. This is because it includes all the necessary topics that you need to know while working in any company. This will also help you in getting a better job and get a higher salary. You can now become a part of the top IT companies in the world by passing this exam.
This exam has been designed by the CompTia foundation, so you don't need to worry about how difficult it will be for you to pass this exam. You should always use their resources and practice exams provided on their website so that you can easily pass this exam without any problem. CompTIA DA0-001 exam dumps are here to help you with that.
You don't need any experience or background to take this exam because it's quite easy and simple. All you need is some basic knowledge about computer networks, operating systems, networking protocols, and software programs etc., which are essential for most of the jobs today.
The techniques report sample for free control structures descriptive hoc translate cleansing schemas common acquisition profiling requirements with the real pdf analytics design scenario.
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So far we have covered many topics related to CompTIA A+ exams. But now let's talk about the preparation process for CompTIA A+ exams.
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CompTIA DA0-001 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Data Concepts and Environments | 15% | - Data structures and file formats
- Data concepts and terminology
- Data sources and acquisition methods
|
| Topic 2: Data Governance, Quality, and Controls | 14% | - Data governance frameworks
- Security, privacy, and compliance considerations
- Data quality management
|
| Topic 3: Data Mining | 25% | - Pattern identification and extraction
- Data acquisition and cleaning techniques
- Data transformation and profiling
|
| Topic 4: Data Analysis | 23% | - Trend and correlation analysis
- Statistical methods and calculations
- Data interpretation and reporting
|
| Topic 5: Visualization | 23% | - Visualization best practices
- Tool-based visualization techniques
- Chart and dashboard creation
|