Microsoft MB-820 Exam Questions [October 2026] | PDF + Test Engine

Latest Microsoft MB-820 Exam Dumps 2026 for Effective Preparation

The Microsoft MB-820 exam is designed for professionals who want to validate their ability to develop, extend, test, and maintain solutions based on Microsoft Dynamics 365 Business Central. It is a technical certification exam for developers who work with Business Central applications, AL code, extensions, integrations, development tools, and deployment processes.

Candidates preparing for the MB-820 exam in 2026 need study resources that reflect the current Microsoft blueprint. Cert Mage provides MB-820 PDF-based exam dumps and practice questions that can be used as supplementary preparation material. These resources are most useful when candidates combine them with Microsoft Learn modules, hands-on development work, documentation review, and regular practice.

A focused preparation plan matters because MB-820 does not test only basic product knowledge. Candidates must understand how Business Central works and how developers create practical solutions within the platform. The exam covers architecture, AL objects, application language concepts, development environments, testing, telemetry, APIs, and REST-based integrations.

What Is the Microsoft MB-820 Certification?

Passing the MB-820 exam helps candidates earn the Microsoft Certified: Dynamics 365 Business Central Developer Associate certification. Microsoft describes this credential as an intermediate-level certification focused on Dynamics 365 and business applications. The certification is intended for professionals who can design, develop, test, and maintain solutions based on Dynamics 365 Business Central.

A Business Central developer creates applications that extend the standard platform. This may include adding new features, adjusting existing functionality, building extensions, integrating Business Central with other applications, and ensuring that data remains current during upgrade processes. Microsoft also expects developers to troubleshoot issues, identify root causes, fix bugs, test solutions, improve code quality, and identify performance bottlenecks.

The MB-820 exam is relevant for developers, software engineers, architects, technical consultants, technical advisors, and professionals with a combination of development and business-application skills. Microsoft’s related MB-820T00-A training course also identifies these roles as suitable audiences for Business Central development training.

Why MB-820 Matters for Business Central Developers

Dynamics 365 Business Central helps organizations manage business processes through an integrated platform. Developers play an important role when companies need custom functions, additional modules, external integrations, or extensions that match business requirements.

The MB-820 certification gives developers a structured way to show that they understand Business Central development practices. It can be useful for professionals working with Microsoft partners, implementation teams, consulting firms, software vendors, or internal business-application departments.

The certification also covers skills beyond writing code. A successful candidate should understand how Business Central extensions are created and deployed, how application lifecycle processes work, how APIs connect systems, how telemetry supports analysis, and how testing improves application quality.

Microsoft states that candidates should have applied knowledge of Business Central, the AL application language, the development environment, AppSource-related technologies, source-control practices, and continuous integration and continuous delivery processes.

Current Microsoft MB-820 Exam Details for 2026

Microsoft currently gives candidates 100 minutes to complete the MB-820 assessment. The exam is proctored and may contain interactive components. Microsoft does not publish a guaranteed fixed number of questions on the official MB-820 exam page, so candidates should avoid relying on unofficial question-count estimates.

The exam is available in English, Chinese Simplified, German, Spanish, French, Japanese, and Portuguese for Brazil. Candidates can schedule the exam through Pearson VUE. The exam fee depends on the country or region where the exam is proctored, which means the final price should be checked during the scheduling process.

Microsoft technical exams use a scaled score from 1 to 1,000. A score of 700 or greater is required to pass. Microsoft explains that this does not necessarily mean candidates must answer exactly 70 percent of questions correctly because the passing score is scaled according to the difficulty of the questions.

Latest MB-820 Skills Measured by Microsoft

The latest official MB-820 study guide states that the current skills blueprint has applied since June 10, 2025. Microsoft divides the exam into six main skill areas.

Describe Business Central

This area represents 10 to 15 percent of the exam. Candidates need to understand Business Central architecture, platform components, core capabilities, extensions, customization update cycles, and the differences between Business Central online and on-premises environments.

Candidates should also understand Business Central apps, including the base app, the system app, app functionality, and the general process of bringing an application to AppSource.

Install, Develop, and Deploy for Business Central

This domain accounts for 10 to 15 percent of the exam. Candidates should know how to install and configure a Business Central development environment, manage AL extension configuration files, and work with multiple AL extensions in one workspace.

The exam may also test the ability to create, modify, debug, deploy, and maintain extensions by using Visual Studio Code. Multilanguage development is another relevant topic in this section.

Develop by Using AL Objects

This is the largest MB-820 domain, representing 35 to 40 percent of the exam. Candidates should spend significant preparation time on this area.

Microsoft expects developers to build and extend tables, pages, enums, Role Center pages, reports, XMLports, codeunits, permission sets, entitlements, and query objects. Candidates should understand how these objects work together inside a Business Central solution.

This domain also covers report layouts, report triggers, document reports, processing-only reports, interfaces, events, installation codeunits, upgrade codeunits, data filters, linked data items, and data aggregation.

Develop by Using AL

This section represents 15 to 20 percent of the exam. Candidates should understand the AL language and how it supports Business Central customization.

Important topics include custom procedures, data types, expressions, variables, files, built-in functions, AL statements, access modifiers, error handling, and data manipulation. Candidates should also know how to customize the user interface and implement onboarding elements such as teaching tips, assisted setup, in-app tours, and onboarding checklists.

Work with Development Tools

This domain accounts for 10 to 15 percent of the exam. Candidates should know how to test Business Central applications, install and use the Test Toolkit, and develop test codeunits and procedures.

Telemetry is another important part of this section. Candidates should be able to configure telemetry, analyze collected information, and create custom telemetry signals for monitoring and troubleshooting.

Integrate Business Central with Other Applications

The integration domain represents 10 to 15 percent of the exam. Candidates need to understand REST-based services and how Business Central communicates with external systems.

Microsoft expects candidates to know how to use HTTP classes, exchange data with external REST services, read and use JSON, create APIs, work with APIs, manage OData bound and unbound actions, and use Read Scale-Out to support performance improvements.

What Changed in the Latest Microsoft MB-820 Blueprint?

Microsoft’s current study guide includes a change log comparing the previous version with the skills measured from June 10, 2025. The guide indicates a minor change within the development-environment area and a major change within the API implementation area. The overall percentage ranges for the broader domains did not change.

For 2026 preparation, candidates should pay particular attention to APIs, OData actions, REST integrations, JSON handling, and external-service communication. These topics support real development work and have a clear place in the current exam blueprint.

Candidates should also avoid using older MB-820 material that focuses on unrelated Dynamics 365 products. MB-820 is not a Supply Chain Management exam, a Manufacturing exam, or a Finance and Operations Apps exam. It specifically focuses on Dynamics 365 Business Central development.

How MB-820 Exam Dumps Can Support Your Preparation

MB-820 exam dumps should be used as exam-style practice resources rather than as a substitute for learning. A good PDF question bank helps candidates become familiar with the type of reasoning expected in a technical certification exam. It also allows learners to identify weak areas before scheduling the real assessment.

Cert Mage’s MB-820 exam dumps can support revision by giving candidates a structured way to review Business Central concepts. Candidates can use the PDF material to test their knowledge of AL objects, development tools, integration methods, deployment practices, testing processes, and platform architecture.

The most effective approach is to review each answer carefully. Rather than memorizing a response, candidates should understand why an option is correct and why other choices may be less suitable. This method builds stronger practical knowledge and reduces confusion when the wording or scenario changes.

Candidates should use only legitimate practice questions, mock-test material, study guides, and exam-style preparation resources. Recalled or unauthorized live exam questions should not be treated as acceptable study material.

How to Build a Practical MB-820 Study Plan

A strong preparation plan starts with the Microsoft skills outline. Candidates should divide their study schedule according to the official percentages. Since AL objects represent 35 to 40 percent of the exam, this topic deserves the largest share of revision time.

The next priority should be AL development concepts, which account for 15 to 20 percent. Candidates should then allocate time to Business Central architecture, installation and deployment, development tools, telemetry, testing, and application integrations.

Hands-on practice is essential. Candidates should create extensions, build tables and pages, work with reports, use codeunits, test APIs, review REST communication, and practice debugging inside Visual Studio Code. Reading alone may not be enough for a development-focused exam.

Microsoft recommends training and hands-on experience before taking MB-820. The official study guide links candidates to self-paced learning paths, instructor-led training, Dynamics 365 documentation, AL documentation, Business Central documentation, community support, and exam-readiness videos.

After reviewing the official learning resources, candidates can use Cert Mage MB-820 PDF dumps for additional practice. The PDF format makes it easier to review questions repeatedly, note uncertain topics, and return to weaker areas during final revision.

How to Use Cert Mage MB-820 PDF Dumps Responsibly

Start by completing a small set of MB-820 practice questions without checking the answers. This provides a realistic view of your current knowledge. Mark any questions that require guessing or take too long to solve.

Next, review the explanations and connect each question with the relevant Microsoft domain. For example, a question involving HTTP classes, JSON, or OData actions belongs to the integration area. A question involving tables, pages, reports, XMLports, or codeunits belongs to the AL objects domain.

Candidates should return to Microsoft documentation whenever a practice question reveals a gap. This prevents surface-level memorization and helps build knowledge that can be used during real Business Central development work.

During the final stage of preparation, candidates should review a broader mix of questions. This helps improve time management and makes it easier to move between different topics without losing focus.

MB-820 Certification Renewal

The Microsoft Certified: Dynamics 365 Business Central Developer Associate credential has a 12-month renewal frequency. Microsoft allows eligible candidates to renew role-based certifications at no cost by passing an online renewal assessment through Microsoft Learn.

Microsoft states that the renewal window begins six months before the certification expires. The renewal assessment is shorter than the original certification exam, unproctored, open book, and focused on recent technology and industry updates.

Professionals who want to understand the functional side of Business Central alongside development tasks can also review MB-800 PDF dumps for additional preparation.

Frequently Asked Questions About Microsoft MB-820 Exam Dumps

What certification do I earn after passing MB-820?

Passing MB-820 helps you earn the Microsoft Certified: Dynamics 365 Business Central Developer Associate credential. It validates development, testing, extension, deployment, troubleshooting, and integration skills for Business Central solutions.

How long is the Microsoft MB-820 exam?

Microsoft currently states that candidates have 100 minutes to complete the MB-820 assessment. The official page also notes that the exam is proctored and may include interactive components.

What is the MB-820 passing score?

Microsoft technical exams require a scaled score of 700 or greater. This does not necessarily mean exactly 70 percent of questions must be answered correctly because Microsoft uses scaled scoring.

What is the largest MB-820 exam domain?

Developing by using AL objects is the largest domain. It accounts for 35 to 40 percent of the exam and covers tables, pages, reports, XMLports, codeunits, permissions, entitlements, and queries.

Does MB-820 cover Supply Chain Management?

No. MB-820 focuses on Dynamics 365 Business Central development. Supply Chain Management and Manufacturing topics belong to different Microsoft certification paths and should not appear as the main MB-820 syllabus.

Are MB-820 exam dumps enough to pass the exam?

PDF-based MB-820 practice questions can support revision, but they should be combined with Microsoft Learn resources, documentation, and hands-on Business Central development practice. Practical understanding remains essential for exam readiness.

Does Microsoft provide official MB-820 preparation resources?

Yes. Microsoft provides a current study guide, training options, documentation links, a free practice assessment, and Business Central learning resources through Microsoft Learn.

How often does the MB-820 certification need to be renewed?

The certification has a 12-month renewal cycle. Eligible candidates can complete a free online renewal assessment through Microsoft Learn during the six-month period before expiration.