Understand the certification
认证概述
Microsoft Dynamics 365 Business Central Developer (MB-820) 认证验证您在该领域的专业知识和实践能力。通过本备考课程，系统化学习考试核心知识点。
考试领域
- Develop with AL language — 21%
- Create/configure pages and reports — 19%
- Implement business logic — 19%
- Integrate/connect BC — 19%
- Extend standard functionality — 19%
- Topic 1 — 4%
适合人群
- 准备参加 MB-820 认证考试的 IT 专业人员
- 希望验证专业技能的从业者
- 寻求职业发展的技术人员
Exam at a glance
- Exam code
- MB-820
- Provider
- Azure
- Format
- Single choice / Multiple select
- Language
- English
- Validity
- 3 years
- Exam fee
- $165
Skills in focus
Learning outcomes
- 获得 MB-820 官方认证
- 掌握考试核心知识点和最佳实践
- 具备通过认证考试的实战能力
- 提升职业竞争力
Who this is for
- 准备参加 MB-820 认证考试的专业人员
- 希望系统化学习 MB-820 知识体系的从业者
- 寻求职业认证提升的 IT 专业人员
Before you start
- 具备相关领域基础知识
- 建议有一定的实践经验
Your learning path
8 chapters
Plan your preparation
- Learning hours
- 64h
- With relevant experience
- 4-6 weeks
- Starting from scratch
- 8-10 weeks
- Daily study
- 1-2h
Included in your preparation
- 8 个系统化学习章节
- 70 精选练习题，每题附详细解析
- 仿真模拟考试（60 题/120 分钟）
- 错题本 + 智能复习，薄弱环节针对性突破
- 学习进度可视化追踪
Preparation tips
- 60 题 120 分钟，平均每题 2 分钟，合理分配时间
- 及格分 700/1000，不确定的题先标记跳过，回头再做
- 排除法非常有用 — 先排掉明显错误的选项，剩下的再分析
- 多选题会告诉你选几个，仔细看题目要求
Common mistakes
- 没有读完所有选项就选答案 — 题目经常有"最佳"答案和"正确但不最佳"的干扰项
- 备考只刷题不理解原理 — 考试场景题需要理解底层概念
- 忽略时间管理 — 在难题上卡太久，导致后面简单题没时间做
Before you register
What core domains does the MB-820 exam cover?
MB-820 tests five skill areas for Business Central Developers: Develop with AL language (21%), Create and configure pages and reports (19%), Implement business logic (19%), Integrate and connect BC (19%), and Extend standard functionality (19%). AL language development is foundational and runs across all domains.
What is the AL language? How does it differ from C/AL?
AL is the modern development language for Business Central, replacing the legacy C/AL from NAV. AL is developed in VS Code using the Extension model rather than directly modifying base code. The exam focuses on AL syntax, event subscriptions, API development, and extension publishing workflows. Developers with C/AL experience need to adapt to the Extension v2 development model.
What is the difference between MB-820 and MB-800?
MB-800 targets Functional Consultants (business configuration), while MB-820 targets Developers (code development). MB-820 requires AL programming ability to create custom pages, reports, Codeunits, and implement system integration through APIs and Web Services. The two are complementary, and full-stack BC professionals can hold both.
What prerequisites are needed for MB-820?
Programming fundamentals (understanding of OOP concepts), AL language development experience, VS Code proficiency, and Business Central platform knowledge are required. You need to understand BC table structures, page types (List/Card/Document), report development, and API pages. It is recommended to complete a full extension development project in a BC sandbox environment first.
Are there many code reading questions in the MB-820 exam?
Yes, the exam contains numerous AL code snippet reading and analysis questions. You need to understand trigger code, EventSubscriber logic, and data validation rules. Focus on practicing code debugging and error troubleshooting scenarios, and understand common AL programming patterns and best practices.
How do I renew MB-820 certification?
MB-820 certification is valid for 1 year. You need to pass a free online renewal assessment on Microsoft Learn annually to maintain validity. The renewal assessment primarily covers new features of the Business Central development platform (such as new AL APIs, DevOps integration updates, etc.).
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