All Episodes
Displaying 41 - 60 of 63 in total
Episode 40 — 4.1 Design for Clarity: Labels, Legends, Branding, and Color Schemes
This episode focuses on design choices that improve clarity and reduce misinterpretation, which DA0-002 tests when prompts ask how to present results so an audience ca...
Episode 41 — 4.1 Match the Visual to the Message: Avoiding Misleading Encodings
This episode teaches how to match a visual encoding to the message so the chart communicates truthfully, which DA0-002 often tests through prompts that describe a char...
Episode 42 — 4.2 Deliver the Right Artifact: Dashboards, Portals, and Executive Summaries
This episode explains how to choose the right reporting artifact, a recurring DA0-002 skill where a prompt describes an audience and a need, and you must select the be...
Episode 43 — 4.2 Plan Dashboard Behavior: Static, Dynamic, Recurring, Ad Hoc, Self-Service
This episode focuses on dashboard behavior planning, which DA0-002 tests by asking you to reason about how a dashboard should operate based on audience needs, governan...
Episode 44 — 4.2 Manage Data Versioning: Snapshots, Real-Time Feeds, Refresh Intervals
This episode explains data versioning as the mechanism that keeps reporting consistent over time, a concept DA0-002 tests when prompts involve refresh schedules, chang...
Episode 45 — 4.3 Diagnose Report Performance: Load Time, Refresh Rate, Large Data Size
This episode covers diagnosing report performance issues, which DA0-002 may test through scenarios involving slow dashboards, long refresh times, or timeouts on large ...
Episode 46 — 4.3 Fix Broken Filters and Stale Data: Source Validation, Structure Changes
This episode focuses on two common reporting failures that DA0-002 scenarios often test: filters that stop behaving correctly and data that becomes stale or inconsiste...
Episode 47 — 4.3 Validate Calculations and Code: Review, Peer Checks, Monitoring Alerts
This episode covers how to validate calculations and code so reports remain accurate as datasets, logic, and requirements evolve, a common DA0-002 theme when questions...
Episode 48 — 4.3 Handle Corrupt Data in Reports: Filtering, Reprocessing, Verification
This episode explains how to respond when data in a report appears corrupt, which DA0-002 may test through scenarios involving impossible values, broken formats, sudde...
Episode 49 — Spaced Review: Visualization and Reporting Decisions You Must Nail Quickly
This episode is a targeted review of visualization and reporting decisions that DA0-002 frequently tests, designed to strengthen fast recognition and reduce common com...
Episode 50 — 5.1 Build Governance Foundations: Documentation, Metadata, Lineage, Source of Truth
This episode introduces governance foundations as the mechanisms that keep data work consistent, auditable, and safe, which DA0-002 tests through scenarios involving c...
Episode 51 — 5.1 Explain Data Documentation Artifacts: Dictionaries, Flow Diagrams, Explainability Reports
This episode explains the documentation artifacts that Data+ DA0-002 expects you to recognize and apply when prompts involve unclear definitions, inconsistent metrics,...
Episode 52 — 5.1 Control Change with Versioning: Snapshots, Refresh Intervals, Traceability
This episode focuses on controlling change as a governance practice, which DA0-002 tests when prompts describe shifting numbers, conflicting results across reports, or...
Episode 53 — 5.2 Understand Retention, Storage, and Replication Rules for Compliance
This episode explains retention, storage, and replication as governance and compliance concerns that shape how datasets are managed over time, and which DA0-002 tests ...
Episode 54 — 5.2 Navigate GDPR and Jurisdictional Requirements Without Guessing or Overreaching
This episode addresses privacy and jurisdictional constraints at a practical level, focusing on how DA0-002 expects you to recognize when legal and policy consideratio...
Episode 55 — 5.2 Prepare for Audits: Ethics, Classification, PCI DSS, Incident Reporting
This episode explains audit readiness as an evidence-based posture, which DA0-002 tests when scenarios include compliance expectations, sensitive data handling, or inc...
Episode 56 — 5.3 Protect Sensitive Data: RBAC, Encryption in Transit, Encryption at Rest
This episode explains how DA0-002 expects you to think about protecting sensitive data using layered controls that reduce exposure without blocking legitimate work. Yo...
Episode 57 — 5.3 Reduce Exposure: PII, PHI, Data Sharing, Anonymization, Masking
This episode focuses on exposure reduction strategies that DA0-002 tests when prompts involve sharing data, protecting privacy, or deciding what to include in reports ...
Episode 58 — 5.4 Assure Data Quality: Tests, Source Control, UAT, Requirement Validation
This episode covers quality assurance as a disciplined process, which DA0-002 tests when prompts involve ensuring outputs remain correct after changes or when stakehol...
Episode 59 — 5.4 Monitor Data Health: Profiling, Quality Metrics, Data Drift, Automated Checks, ISO
This episode explains data health monitoring as the early warning system that keeps pipelines and reports reliable, which DA0-002 tests through scenarios involving sil...