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Tech Exam Prep

Tech Exam Prep

Written by: Ran Chen EA CFP®
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Tech Exam Prep is a free, daily podcast by OpenExamPrep covering the most in-demand IT and technology certification exams — including CompTIA Security+, AWS Cloud Practitioner, CompTIA Network+, CCNA, CompTIA A+, and more. Each 5-minute episode breaks down one exam topic with concrete examples, common exam traps, and memory tricks to help you pass on your first attempt. No fluff, no filler — just the concepts you need to know, explained the way the exam tests them. This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP designation. He is passionate about opening access to high-quality exam preparation for everyone. For free practice questions, AI-powered explanations, flashcards, and full study guides, visit https://open-exam-prep.com/ Subscribe and listen daily — your certification is closer than you think.Copyright 2026 Ran Chen, EA, CFP® Daily Education
Episodes
  • [PL-300] 36, Themes and Conditional Formatting

    [PL-300] 36, Themes and Conditional Formatting
    Oct 5 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How report themes establish global design consistency across Power BI reports using built-in presets and custom JSON files. - How to apply gradient, rule-based, and field-value conditional formatting to background colors, font colors, icons, and data bars. - How to avoid the common exam trap of confusing percentage vs number settings in rule-based conditional formatting. - How to use DAX measures returning hex color codes paired with field value conditional formatting for dynamic visual logic. - How to distinguish report-level theme architecture from measure-driven conditional emphasis on the PL-300 exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    4 mins
  • [PL-300] 35, Formatting and Configuring Visuals

    [PL-300] 35, Formatting and Configuring Visuals
    Oct 4 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How implicit field aggregations differ from explicit DAX measures in visual configurations - Techniques for optimizing axis limits, legend visibility, and layout readability to prevent clutter - How to use small multiples for synchronized side-by-side categorical comparisons - Adding dynamic Analytics pane reference lines such as constant and average benchmarks - Configuring matrix totals and applying measure-driven conditional formatting and dynamic titles For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    4 mins
  • [PL-300] 34, Choosing the Right Power BI Visual

    [PL-300] 34, Choosing the Right Power BI Visual
    Oct 3 2026
    This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to match core business requirements like trends, correlation, composition, and distribution to specific Power BI visuals for the PL-300 exam. - The distinction between line charts for continuous time series, bar charts for discrete categories, and scatter charts for numerical correlation. - Best practices for part-to-whole analysis, including category limits on pie charts, benefits of treemaps, and when to choose stacked bar charts. - Key exam scenarios for specialized visuals including Decomposition Trees, KPI visuals, Gauges, Matrices, and Geographic maps. - Major exam traps regarding custom visuals, misleading chart choices, and selecting built-in options to fulfill requirements efficiently. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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    4 mins
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