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Relevant Technical Experience and Projects Questions

Describe the hands on technical work and projects that directly relate to the role. Cover specific tools and platforms you used, such as forensic analysis tools, operating systems, networking and mobile analysis utilities, analytics and database tools, and embedded systems or microcontroller development work. For each item explain your role, the scope and scale of the work, key technical decisions, measurable outcomes or improvements, and what you learned. Include relevant certifications and training when they reinforced your technical skills. Also discuss any process improvements you drove, cross functional collaboration required, and how the project experience demonstrates readiness for the role.

HardTechnical
33 practiced
Explain how you'd implement version control and code review workflows for BI artifacts (LookML, Tableau workbooks, Power BI PBIX, SQL scripts). Address diffing of binary files, promoting changes across dev/staging/prod, automated validation (lint/tests), and governance controls to prevent accidental production breaks.
MediumTechnical
48 practiced
Explain how you'd set up incremental refresh for a very large fact table in Power BI or Tableau. Describe partitioning strategy, how you ensure query folding (Power Query), safe watermark columns, idempotency, failure recovery and validation tests you would run before enabling production incremental refresh.
MediumTechnical
47 practiced
A stakeholder requests a complex Excel workbook with multiple pivot tables and macros that must be refreshed daily. You need to scale this to 50 stakeholders, ensure data freshness, and maintain security. Describe your approach: automation (Power Query/Power Automate), migration to centralized BI (Power BI/Tableau), scheduling, distribution, row-level access, and training plan.
EasyBehavioral
47 practiced
List relevant BI/analytics certifications you hold (for example, Tableau Desktop Certified, Microsoft DA-100, Google Data Analytics). For each, explain the practical technical skills the certification reinforced and give one project example where that skill produced measurable improvement in delivery, accuracy, or performance.
MediumTechnical
71 practiced
Describe a concrete example where you optimized a slow BI dashboard in Tableau or Power BI. Explain diagnostic steps (query profiling, EXPLAIN, dashboard queries), the technical changes made (extract vs live, aggregations, indexing, query folding, optimizing calculations), and provide measurable improvements (e.g., load time reduced from X to Y seconds).

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