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所在平台: Udemy |
课程主页: https://www.udemy.com/course/power-bi-data-analyst-certification-model-qa-pl-300/
课程评论:没有评论
课程名称:Power BI 数据分析师认证模型问答 (PL-300) 概述:Power BI 数据分析师认证模型问答 (PL-300) 课程旨在帮助学员准备 PL-300:Microsoft 认证:数据分析师助理认证考试。该考试验证了专业人士处理数据、进行数据分析、创建报告和分享见解的能力。课程重点提供基于考试目标的模拟问题和答案,让学习者在模拟考试环境中练习和测试自己的知识。 课程结构: 1. **数据准备(15-20%)** - 数据提取和转换:测试如何使用 Power Query 从各种来源(Excel、CSV、SQL 数据库、网络服务等)导入和转换数据。 - 数据清洗:处理缺失或错误数据,使用 Power Query 清理和格式化数据进行分析。 2. **建模数据(30-35%)** - 创建数据模型:涉及创建表之间的关系、建立主/外键关系,及使用 Power BI 构建模型的问题。 - DAX 函数和度量:关于基本和高级 DAX 函数、计算列和度量的问题,以评估候选人在 Power BI 中执行复杂计算的能力。 - 数据类型和格式:处理不同数据类型(例如文本、数字、日期),确保数据模型中的正确格式。 3. **可视化和分析数据(25-30%)** - 创建报告和仪表板:测试使用 Power BI 设计和构建各种类型的报告和可视化(如条形图、折线图、地图和表格)的能力。 - 交互性和用户体验:测试关于切片器、过滤器、深度报告和其他增强用户体验的互动元素的知识。 - 数据洞察和故事讲述:练习以讲述故事的方式呈现数据,突出决策的趋势或模式。 4. **部署和维护交付物(20-25%)** - 发布报告到 Power BI 服务:涵盖发布报告到 Power BI 服务的过程、设置数据刷新计划、管理工作区和应用等问题。 - 协作与共享:测试分享 Power BI 报告和仪表板给利益相关者的场景,以及如何管理权限和访问。 - 安全功能(行级安全):练习实施行级安全性(RLS)的问题,以根据用户角色限制数据访问。 该课程是为准备 PL-300 考试的学员提供实际的、考试风格的问题和详尽的答案与解释的绝佳方式。无论您是 Power BI 的新手,还是希望正式化您的专业知识,此课程将确保您为认证考试做好充分准备,并在实际数据分析任务中自信地使用 Power BI。
The Power BI Data Analyst Certification Model Q & A (PL-300) course is designed to help students prepare for the PL-300: Microsoft Certified: Data Analyst Associate certification exam. This exam validates a professional's ability to work with data, perform data analysis, create reports, and share insights using Microsoft Power BI. The course focuses on providing model questions and answers based on the exam objectives, allowing learners to practice and test their knowledge in a simulated exam environment.The Power BI Data Analyst Certification Model Q & A (PL-300) course is structured to help learners:Prepare for the PL-300 exam with practice questions that align with the exam's format and objectives.Gain hands-on practice in performing key tasks covered in the exam, such as data preparation, model building, data visualization, and report sharing.Understand the types of questions that may appear in the certification exam, providing an understanding of the difficulty level and exam structure.Practice Questions & Simulated Exam Environment: The course provides model questions that mimic real exam scenarios, helping students practice under timed conditions.Comprehensive Coverage of PL-300 Exam Objectives: Questions cover all the key skills and knowledge areas that are tested in the PL-300 exam, including data cleaning, modeling, visualizations, and report sharing.Detailed Explanations for Answers: After each question, students will receive a detailed explanation of the correct and incorrect answers, enhancing their understanding of why specific solutions work in Power BI.Exam Readiness: Helps students assess their exam readiness and focus their studies on areas that require improvement.The course is typically broken down into sections corresponding to the major exam objectives for PL-300. Each section contains questions and answers that help learners become familiar with the content they need to master.1. Prepare Data (15-20%)Extracting and Transforming Data: Questions test knowledge of how to import and transform data from various sources (Excel, CSV, SQL databases, web services, etc.) using Power Query.Data Cleaning: Handling missing or erroneous data, using Power Query to clean and format data for analysis.2. Model Data (30-35%)Creating Data Models: Students will encounter questions related to creating relationships between tables, establishing primary/foreign key relationships, and creating models using Power BI.DAX Functions and Measures: There will be questions on basic and advanced DAX functions, calculated columns, and measures, to evaluate a candidate's ability to perform complex calculations within Power BI.Data Types and Formatting: Handling different data types (e.g., text, numbers, dates) and ensuring correct formatting in the data model.3. Visualize and Analyze Data (25-30%)Creating Reports and Dashboards: Practice questions will test the ability to design and build various types of reports and visualizations using Power BI, including bar charts, line graphs, maps, and tables.Interactivity and User Experience: Testing knowledge of features like slicers, filters, drill-through reports, and other interactive elements that enhance the user experience.Data Insights and Storytelling: Students will practice presenting data in ways that tell a story and highlight trends or patterns for decision-making.4. Deploy and Maintain Deliverables (20-25%)Publishing Reports to Power BI Service: Questions will cover the process of publishing reports to the Power BI Service, setting up data refresh schedules, and managing workspaces and apps.Collaboration and Sharing: Students will encounter scenarios about how to share Power BI reports and dashboards with stakeholders and how to manage permissions and access.Security Features (Row-Level Security): Practice questions on implementing Row-Level Security (RLS) to restrict data access based on user roles.The Power BI Data Analyst Certification Model Q & A (PL-300) course is an excellent way to prepare for the PL-300 exam by providing practical, exam-style questions with detailed answers and explanations. It's perfect for anyone who wants to become proficient in Power BI and achieve Microsoft Certified: Data Analyst Associate certification. Whether you're new to Power BI or seeking to formalize your expertise, this course will ensure you're well-prepared for the certification exam and confident in using Power BI for real-world data analysis tasks.