『Tech Exam Prep』のカバーアート

Tech Exam Prep

Tech Exam Prep

著者： 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® 教育 日次
エピソード
  • [PL-300] 4, Connecting to Files, Databases, and Semantic Models

    [PL-300] 4, Connecting to Files, Databases, and Semantic Models
    2026/09/03
    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 choose between single file connectors and the Folder connector for combining scheduled data drops. - How native SQL queries in relational database connections impact Power Query query folding. - Key differences between Import mode, DirectQuery mode, and Live Connections for performance and features. - How Privacy Levels prevent data leakage and resolve Formula Firewall errors during multi-source queries. - How to extend shared Power BI semantic models using composite models and DirectQuery. 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 分
  • [PL-300] 3, The End-to-End Power BI Data Analyst Workflow

    [PL-300] 3, The End-to-End Power BI Data Analyst Workflow
    2026/09/02
    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: - Domain 1 responsibilities including data connections, Power Query transformations, and query folding versus DAX calculated columns. - Domain 2 concepts focusing on star schema design, DAX measure creation, and defining Row-Level Security rules in Power BI Desktop. - Domain 3 techniques for visual selection, drillthrough navigation, bookmarks, and using Performance Analyzer to troubleshoot slow reports. - Domain 4 operational tasks including publishing, workspace management, scheduled refresh configuration, and On-premises Data Gateway setup. - The PMVD mental shortcut to instantly map end-to-end Power BI workflow stages to their exact PL-300 domain ownership on the 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 分
  • [PL-300] 2, Exam Domains, Scoring, and Question Strategy

    [PL-300] 2, Exam Domains, Scoring, and Question Strategy
    2026/09/01
    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: - Breakdown of the four PL-300 exam domain weightings across data prep, modeling, visualization, and service management. - How Microsoft's 700 scaled-score scoring standard works and why unanswered questions should never be left blank. - Proven time management strategies for navigating the 100-minute exam and handling non-reversible case study sections. - How to analyze Microsoft question formats, including multi-select steps, drag-and-drop, and scenario-based items. - Effective techniques to spot and eliminate plausible distractors using the FOCUS mnemonic for scenario questions. 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 分
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