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Microsoft MB-820 Premium Bundle

MB-820 Premium File: 131 Questions & Answers

Last Update: Oct 12, 2026

MB-820 PDF Study Guide: 948 Pages

$74.99

MB-820 Bundle gives you unlimited access to "MB-820" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Microsoft MB-820 Practice Test 1

Question 1

A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Implement the additional data and behavior in a separate AL extension using appropriate extension objects
  2. Design the integration around supported Business Central APIs and the boundaries of online hosting
  3. Establish sandbox regression and compatibility checks before promoting the app version
  4. Select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable

Explanation

Correct Answer

A:

This targets the concrete requirement—A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The team can establish success when a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Incorrect Answers

B:

This choice primarily fits a different requirement: A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. There, Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL server or operating-system host. In the current situation, A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

C:

This choice primarily fits a different requirement: An extension contains a warehouse valuation routine that will run during the next automatic Business Central update. There, Business Central updates the application platform while tenant extensions must remain compatible with supported al and dependent objects. In the current situation, A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

D:

This choice primarily fits a different requirement: A partner wants to release one client-specific barcode process to a single Business Central online tenant. There, per-tenant apps target particular tenants whereas appsource marketplace apps require a broadly managed submission and lifecycle. In the current situation, A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Question 2

A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. The developer recommends the following change: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which technical explanation most directly justifies it in this case?

  1. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host
  2. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects
  3. Business Central updates the application platform while tenant extensions must remain compatible with supported AL and dependent objects
  4. Per-tenant apps target particular tenants whereas AppSource marketplace apps require a broadly managed submission and lifecycle

Explanation

Correct Answer

B:

An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. It connects the proposed action to the exact failure or requirement—A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. Confirmation would be a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Incorrect Answers

A:

That mechanism explains why the alternative action—design the integration around supported Business Central apis and the boundaries of online hosting—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables.

C:

That mechanism explains why the alternative action—establish sandbox regression and compatibility checks before promoting the app version—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables.

D:

That mechanism explains why the alternative action—select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables.

Question 3

A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. The team implemented a change aligned with this plan: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which acceptance result specifically verifies that the reported problem is resolved?

  1. The integration retrieves the needed records through an authenticated supported endpoint without database or server access
  2. An updated sandbox runs the compatibility suite and passes transaction and permission regression tests before production rollout
  3. A sandbox upgrade completes and the new field and its behavior remain intact without editing base application source
  4. Installation occurs through the chosen channel and governance can trace its intended tenant or marketplace audience

Explanation

Correct Answer

C:

A sandbox upgrade completes and the new field and its behavior remain intact without editing base application source. This is stronger than an unrelated health check because the desired design action is implement the additional data and behavior in a separate al extension using appropriate extension objects, and an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The local requirement is: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables.

Incorrect Answers

A:

This would verify design the integration around supported Business Central apis and the boundaries of online hosting, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

B:

This would verify establish sandbox regression and compatibility checks before promoting the app version, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

D:

This would verify select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Question 4

A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. A targeted trial still reproduces the original gap after the team attempted this change: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which repair directly addresses the remaining defect?

  1. Replace the unsupported database or host dependency with supported service APIs and an external integration component
  2. Resolve deprecated API or dependency failures in the extension and rerun the upgrade compatibility tests
  3. Move the build into the distribution and validation path appropriate to its actual audience instead of treating all packages as marketplace releases
  4. Remove the base-object modification and reimplement the customization with supported extension points

Explanation

Correct Answer

D:

Remove the base-object modification and reimplement the customization with supported extension points. This directly addresses the remaining defect for the requirement—A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. It restores the mechanism described here: an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

Incorrect Answers

A:

This correction is for the separate condition: A finance integrator assumes it can install arbitrary operating-system services on Microsoft's hosted Business Central instance. It would not directly restore the intended behavior in this situation: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

B:

This correction is for the separate condition: A subscription accounting add-on must be compatible with future standard application releases in a managed environment. It would not directly restore the intended behavior in this situation: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

C:

This correction is for the separate condition: A solution vendor wants the same stock-planning add-on discoverable by many customers through the marketplace. It would not directly restore the intended behavior in this situation: A distributor needs a freight-zone attribute on Customer records but must survive monthly SaaS upgrades without editing Microsoft tables. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

Question 5

A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Design the integration around supported Business Central APIs and the boundaries of online hosting
  2. Implement the additional data and behavior in a separate AL extension using appropriate extension objects
  3. Establish sandbox regression and compatibility checks before promoting the app version
  4. Select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable

Explanation

Correct Answer

B:

This targets the concrete requirement—A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The team can establish success when a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Incorrect Answers

A:

This choice primarily fits a different requirement: A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. There, Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL server or operating-system host. In the current situation, A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

C:

This choice primarily fits a different requirement: An extension contains a warehouse valuation routine that will run during the next automatic Business Central update. There, Business Central updates the application platform while tenant extensions must remain compatible with supported al and dependent objects. In the current situation, A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

D:

This choice primarily fits a different requirement: A partner wants to release one client-specific barcode process to a single Business Central online tenant. There, per-tenant apps target particular tenants whereas appsource marketplace apps require a broadly managed submission and lifecycle. In the current situation, A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. Acceptance requires a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Question 6

A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. The developer recommends the following change: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which technical explanation most directly justifies it in this case?

  1. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host
  2. Business Central updates the application platform while tenant extensions must remain compatible with supported AL and dependent objects
  3. An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects
  4. Per-tenant apps target particular tenants whereas AppSource marketplace apps require a broadly managed submission and lifecycle

Explanation

Correct Answer

C:

An extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. It connects the proposed action to the exact failure or requirement—A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. Confirmation would be a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Incorrect Answers

A:

That mechanism explains why the alternative action—design the integration around supported Business Central apis and the boundaries of online hosting—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable.

B:

That mechanism explains why the alternative action—establish sandbox regression and compatibility checks before promoting the app version—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable.

D:

That mechanism explains why the alternative action—select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable—helps in another case. It does not justify the proposed fix here; an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The distinguishing requirement is: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable.

Question 7

A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. The team implemented a change aligned with this plan: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which acceptance result specifically verifies that the reported problem is resolved?

  1. The integration retrieves the needed records through an authenticated supported endpoint without database or server access
  2. An updated sandbox runs the compatibility suite and passes transaction and permission regression tests before production rollout
  3. Installation occurs through the chosen channel and governance can trace its intended tenant or marketplace audience
  4. A sandbox upgrade completes and the new field and its behavior remain intact without editing base application source

Explanation

Correct Answer

D:

A sandbox upgrade completes and the new field and its behavior remain intact without editing base application source. This is stronger than an unrelated health check because the desired design action is implement the additional data and behavior in a separate al extension using appropriate extension objects, and an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects. The local requirement is: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable.

Incorrect Answers

A:

This would verify design the integration around supported Business Central apis and the boundaries of online hosting, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

B:

This would verify establish sandbox regression and compatibility checks before promoting the app version, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

C:

This would verify select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. The decisive local proof is a sandbox upgrade completes and the new field and its behavior remain intact without editing base application source.

Question 8

A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. A targeted trial still reproduces the original gap after the team attempted this change: Implement the additional data and behavior in a separate AL extension using appropriate extension objects. Which repair directly addresses the remaining defect?

  1. Remove the base-object modification and reimplement the customization with supported extension points
  2. Replace the unsupported database or host dependency with supported service APIs and an external integration component
  3. Resolve deprecated API or dependency failures in the extension and rerun the upgrade compatibility tests
  4. Move the build into the distribution and validation path appropriate to its actual audience instead of treating all packages as marketplace releases

Explanation

Correct Answer

A:

Remove the base-object modification and reimplement the customization with supported extension points. This directly addresses the remaining defect for the requirement—A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. It restores the mechanism described here: an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

Incorrect Answers

B:

This correction is for the separate condition: A finance integrator assumes it can install arbitrary operating-system services on Microsoft's hosted Business Central instance. It would not directly restore the intended behavior in this situation: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

C:

This correction is for the separate condition: A subscription accounting add-on must be compatible with future standard application releases in a managed environment. It would not directly restore the intended behavior in this situation: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

D:

This correction is for the separate condition: A solution vendor wants the same stock-planning add-on discoverable by many customers through the marketplace. It would not directly restore the intended behavior in this situation: A medical wholesaler needs to record regulatory classifications on Item records while keeping the standard application upgradeable. Here, remove the base-object modification and reimplement the customization with supported extension points, because an extension composes with Microsoft application objects without requiring direct modifications to the shipped base objects.

Question 9

A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Establish sandbox regression and compatibility checks before promoting the app version
  2. Select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable
  3. Design the integration around supported Business Central APIs and the boundaries of online hosting
  4. Use a Business Central sandbox environment for isolated development and regression validation

Explanation

Correct Answer

C:

This targets the concrete requirement—A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host. The team can establish success when the integration retrieves the needed records through an authenticated supported endpoint without database or server access.

Incorrect Answers

A:

This choice primarily fits a different requirement: An extension contains a warehouse valuation routine that will run during the next automatic Business Central update. There, Business Central updates the application platform while tenant extensions must remain compatible with supported al and dependent objects. In the current situation, A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host. Acceptance requires the integration retrieves the needed records through an authenticated supported endpoint without database or server access.

B:

This choice primarily fits a different requirement: A partner wants to release one client-specific barcode process to a single Business Central online tenant. There, per-tenant apps target particular tenants whereas appsource marketplace apps require a broadly managed submission and lifecycle. In the current situation, A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host. Acceptance requires the integration retrieves the needed records through an authenticated supported endpoint without database or server access.

D:

This choice primarily fits a different requirement: A multi-company operator confuses separate legal companies inside one tenant with separate test environments. There, companies partition business data within an environment; a sandbox is an environment designed for testing changes away from production. In the current situation, A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host. Acceptance requires the integration retrieves the needed records through an authenticated supported endpoint without database or server access.

Question 10

A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. The developer recommends the following change: Design the integration around supported Business Central APIs and the boundaries of online hosting. Which technical explanation most directly justifies it in this case?

  1. Business Central updates the application platform while tenant extensions must remain compatible with supported AL and dependent objects
  2. Per-tenant apps target particular tenants whereas AppSource marketplace apps require a broadly managed submission and lifecycle
  3. Companies partition business data within an environment; a sandbox is an environment designed for testing changes away from production
  4. Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host

Explanation

Correct Answer

D:

Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL Server or operating-system host. It connects the proposed action to the exact failure or requirement—A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night. Confirmation would be the integration retrieves the needed records through an authenticated supported endpoint without database or server access.

Incorrect Answers

A:

That mechanism explains why the alternative action—establish sandbox regression and compatibility checks before promoting the app version—helps in another case. It does not justify the proposed fix here; Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL server or operating-system host. The distinguishing requirement is: A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night.

B:

That mechanism explains why the alternative action—select per-tenant extension distribution for a customer-only solution and marketplace distribution for a reusable product as applicable—helps in another case. It does not justify the proposed fix here; Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL server or operating-system host. The distinguishing requirement is: A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night.

C:

That mechanism explains why the alternative action—use a Business Central sandbox environment for isolated development and regression validation—helps in another case. It does not justify the proposed fix here; Microsoft operates the SaaS infrastructure; tenants cannot treat the online service as a self-managed SQL server or operating-system host. The distinguishing requirement is: A SaaS retailer is asking for direct SQL access to inspect Business Central transaction tables every night.


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