Microsoft Dynamics MB-820 Exam Questions 2025

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Ace your Microsoft Dynamics 365 Business Central Developer (MB-820) exam with our up-to-date practice questions. All content is designed around the latest exam objectives and validated by Microsoft-certified experts. You’ll get trusted answers, detailed explanations that highlight common pitfalls, and the chance to practice in our online exam simulator. Explore free sample questions today and discover why so many IT professionals rely on Cert Empire for their Microsoft certification success.

About MB-820 Exam

Why MB-820 Certification is Important for Business Central Developers

Businesses using Dynamics 365 Business Central rely on developers to modify and customize the platform to fit their unique workflows. This system handles finance, supply chain, inventory, sales, and project management, but out-of-the-box functionality rarely meets every company’s needs. Customization is essential, and companies need skilled developers who can extend Business Central’s features to support industry-specific requirements.

The MB-820 certification is a Microsoft-recognized validation of your ability to develop, extend, and integrate Business Central. It ensures that developers can work with AL programming, data modeling, extensions, and APIs to optimize the platform for various industries.

Earning this certification proves that you understand Business Central’s architecture, can write and debug AL code, and know how to integrate third-party applications using Microsoft’s best practices. Whether you’re working as a Business Central developer, ERP consultant, or software engineer, this cert helps establish your expertise and credibility in Microsoft’s ERP ecosystem.

Who Should Take the MB-820 Exam?

This certification isn’t just for experienced developers it’s designed for anyone involved in Business Central development who wants to gain technical expertise and validation. If you work in ERP development, business applications, or Dynamics 365 consulting, this certification provides a structured way to prove your knowledge.

Who Benefits the Most from MB-820?

  • Business Central Developers – Those building custom features and solutions for companies using Microsoft’s ERP system.
  • ERP Consultants – Professionals who configure and customize Dynamics 365 Business Central for different industries.
  • Solution Architects – IT experts designing integration solutions and extending Business Central to meet business demands.
  • Functional Consultants – Business analysts or ERP professionals looking to strengthen their technical development skills.

What You Should Know Before Taking the Exam

While there are no formal prerequisites, some prior knowledge makes the learning process easier.

  • AL Programming Language – Understanding how to write and debug AL code is essential for creating Business Central extensions.
  • Business Central Development Environment – Experience with Visual Studio Code, Business Central Sandboxes, and AL extension development is helpful.
  • Integration Knowledge – Understanding APIs, OData, and Business Central Web Services will improve your chances of passing.
  • Microsoft Azure Fundamentals – Knowing how Business Central connects with Azure for authentication, data storage, and cloud integration is beneficial.

How the MB-820 Certification Can Boost Your Career

Many companies using Microsoft Dynamics 365 Business Central struggle to find skilled developers who can tailor the platform to their business needs. Since ERP development requires specialized skills, developers who earn this cert stand out in the job market.

Why Employers Value MB-820 Certification

  • Demonstrates Real-World Development Skills – Employers prefer candidates who can work with AL, extensions, and integrations in actual Business Central environments.
  • Opens Up Job Opportunities – Many Microsoft Partners, ERP consulting firms, and large enterprises seek certified professionals to implement and maintain Business Central solutions.
  • Higher Salaries for Certified Developers – Since certified Business Central developers handle critical ERP customizations, they often earn more than general developers.

Expected Salary and Career Growth

The average salary for MB-820 certified professionals varies based on experience and role:

  • Entry-Level Developers: $75,000 – $90,000 per year
  • Mid-Level Business Central Developers: $90,000 – $110,000 per year
  • Senior Developers / ERP Solution Architects: $110,000+ per year

Professionals who gain experience in solution architecture, integrations, or cloud ERP consulting can move into higher-paying leadership roles.

What’s Included in the MB-820 Exam?

This exam is specifically designed for Business Central developers. Unlike general developer certifications, MB-820 focuses on customizing, extending, and integrating Business Central applications.

Key Topics Covered in MB-820

Understanding Business Central Development

  • How Business Central operates in cloud and on-prem environments
  • Managing data structures, tables, and page customizations
  • Configuring users, permissions, and security settings

Customizing Business Central with AL Programming

  • Writing and debugging AL code for Business Central extensions
  • Using triggers, events, and automation to modify system behavior
  • Creating custom tables, pages, reports, and business logic

Integrating Business Central with External Services

  • Connecting Business Central to third-party applications using APIs
  • Using OData, SOAP, and REST Web Services
  • Handling authentication and security in integrations

Deploying and Managing Business Central Extensions

  • Packaging and publishing AL extensions to AppSource
  • Optimizing performance in Business Central extensions
  • Managing data upgrades and compatibility in cloud environments

How the MB-820 Exam is Structured

Microsoft exams follow a structured question format, testing both theoretical knowledge and hands-on experience.

Exam Breakdown

  • Total Questions: 40-60
  • Duration: 120 minutes
  • Question Types: Multiple-choice, case studies, scenario-based coding challenges
  • Passing Score: Usually 700 out of 1000

Where to Take the Exam?

  • The exam is available through Pearson VUE, Microsoft’s official testing provider.
  • Candidates can take it in-person at a testing center or online with a remote proctor.

Best Study Strategies for the MB-820 Exam

This exam is highly technical, so a mix of theoretical learning and hands-on experience is necessary.

Use Microsoft’s Official Training Resources

Microsoft provides learning paths, documentation, and training courses covering Business Central development. These are the most reliable sources of information.

Gain Hands-On Experience with Business Central

Set up a Business Central sandbox and practice:

  • Creating extensions using AL
  • Customizing data models, reports, and tables
  • Connecting Business Central to external applications

Take Practice Exams

Mock exams help identify weak areas, get comfortable with Microsoft’s exam structure, and improve time management during the test.

Join the Business Central Developer Community

Networking with other professionals can provide insights, tips, and study resources. Consider:

  • Microsoft Dynamics Community Forums
  • LinkedIn groups for Business Central developers
  • Microsoft Partner Network discussions

Follow a Structured Study Plan

For experienced developers, 3-4 weeks of study should be enough.
For beginners, 5-6 weeks of structured learning is recommended.

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Last Update Check October 05, 2025
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