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MB-820 Premium File: 131 Questions & Answers

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Microsoft MB-820 Premium Bundle
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 14

Question 130

One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. The developer recommends the following change: Organize the AL workspace and explicit project dependencies for all related apps. Which technical explanation most directly justifies it in this case?

  1. AL compiler and platform capability gates depend on declared runtime and referenced application versions
  2. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions
  3. The launch configuration controls where VS Code connects for debugging and deployment, independently of the app manifest
  4. The AL app manifest identifies an extension and its dependency/version contract across deployments

Explanation

Correct Answer

B:

A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. It connects the proposed action to the exact failure or requirement—One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. Confirmation would be each package compiles with the expected dependency order and no ambiguous object references.

Incorrect Answers

A:

That mechanism explains why the alternative action—align app.json runtime and application version settings with the actual target environment—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built.

C:

That mechanism explains why the alternative action—correct launch.json environment, tenant, and authentication settings for the intended sandbox—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built.

D:

That mechanism explains why the alternative action—define a unique app id and correct publisher/name/version metadata in app.json—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built.

Question 131

One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. The team implemented a change aligned with this plan: Organize the AL workspace and explicit project dependencies for all related apps. Which acceptance result specifically verifies that the reported problem is resolved?

  1. The extension builds and publishes successfully against the target environment without unsupported feature errors
  2. The debugger attaches to the intended sandbox and no package is published into the other tenant
  3. Each package compiles with the expected dependency order and no ambiguous object references
  4. Build and tenant app inventory show unique app identity and intended publisher with no conflict

Explanation

Correct Answer

C:

Each package compiles with the expected dependency order and no ambiguous object references. This is stronger than an unrelated health check because the desired design action is organize the al workspace and explicit project dependencies for all related apps, and a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The local requirement is: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built.

Incorrect Answers

A:

This would verify align app.json runtime and application version settings with the actual target environment, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

B:

This would verify correct launch.json environment, tenant, and authentication settings for the intended sandbox, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

D:

This would verify define a unique app id and correct publisher/name/version metadata in app.json, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

Question 132

One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. A targeted trial still reproduces the original gap after the team attempted this change: Organize the AL workspace and explicit project dependencies for all related apps. Which repair directly addresses the remaining defect?

  1. Lower the unsupported language use or update the target platform through a planned supported path
  2. Correct the launch target and credentials, then verify the environment identity before another publish
  3. Assign the proper unique app identity and republish using the corrected manifest and dependency references
  4. Add the missing project to the workspace and align dependency identities and versions before the build

Explanation

Correct Answer

D:

Add the missing project to the workspace and align dependency identities and versions before the build. This directly addresses the remaining defect for the requirement—One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. It restores the mechanism described here: a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

Incorrect Answers

A:

This correction is for the separate condition: A developer uses a recent language feature in an extension targeted at an older supported on-premises deployment. It would not directly restore the intended behavior in this situation: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

B:

This correction is for the separate condition: A developer opens a second customer project and accidentally uses an outdated Business Central sandbox URL during F5 debugging. It would not directly restore the intended behavior in this situation: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

C:

This correction is for the separate condition: Two regional teams independently package different modules using the same app GUID and publisher metadata. It would not directly restore the intended behavior in this situation: One repository contains a core library extension and two dependent customer-facing AL extensions but only one is built. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

Question 133

A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Align app.json runtime and application version settings with the actual target environment
  2. Organize the AL workspace and explicit project dependencies for all related apps
  3. Correct launch.json environment, tenant, and authentication settings for the intended sandbox
  4. Define a unique app ID and correct publisher/name/version metadata in app.json

Explanation

Correct Answer

B:

This targets the concrete requirement—A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The team can establish success when each package compiles with the expected dependency order and no ambiguous object references.

Incorrect Answers

A:

This choice primarily fits a different requirement: A project compiles for a newer runtime than the customer's production Business Central service supports. There, al compiler and platform capability gates depend on declared runtime and referenced application versions. In the current situation, A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. Acceptance requires each package compiles with the expected dependency order and no ambiguous object references.

C:

This choice primarily fits a different requirement: An AL project compiles locally but publishes against the wrong tenant because its debug launch settings reference another environment. There, the launch configuration controls where vs code connects for debugging and deployment, independently of the app manifest. In the current situation, A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. Acceptance requires each package compiles with the expected dependency order and no ambiguous object references.

D:

This choice primarily fits a different requirement: A new AL extension uses a publisher ID and app identity copied from another product, causing package collision. There, the al app manifest identifies an extension and its dependency/version contract across deployments. In the current situation, A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. Acceptance requires each package compiles with the expected dependency order and no ambiguous object references.

Question 134

A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. The developer recommends the following change: Organize the AL workspace and explicit project dependencies for all related apps. Which technical explanation most directly justifies it in this case?

  1. AL compiler and platform capability gates depend on declared runtime and referenced application versions
  2. The launch configuration controls where VS Code connects for debugging and deployment, independently of the app manifest
  3. A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions
  4. The AL app manifest identifies an extension and its dependency/version contract across deployments

Explanation

Correct Answer

C:

A multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. It connects the proposed action to the exact failure or requirement—A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. Confirmation would be each package compiles with the expected dependency order and no ambiguous object references.

Incorrect Answers

A:

That mechanism explains why the alternative action—align app.json runtime and application version settings with the actual target environment—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references.

B:

That mechanism explains why the alternative action—correct launch.json environment, tenant, and authentication settings for the intended sandbox—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references.

D:

That mechanism explains why the alternative action—define a unique app id and correct publisher/name/version metadata in app.json—helps in another case. It does not justify the proposed fix here; a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The distinguishing requirement is: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references.

Question 135

A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. The team implemented a change aligned with this plan: Organize the AL workspace and explicit project dependencies for all related apps. Which acceptance result specifically verifies that the reported problem is resolved?

  1. The extension builds and publishes successfully against the target environment without unsupported feature errors
  2. The debugger attaches to the intended sandbox and no package is published into the other tenant
  3. Build and tenant app inventory show unique app identity and intended publisher with no conflict
  4. Each package compiles with the expected dependency order and no ambiguous object references

Explanation

Correct Answer

D:

Each package compiles with the expected dependency order and no ambiguous object references. This is stronger than an unrelated health check because the desired design action is organize the al workspace and explicit project dependencies for all related apps, and a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions. The local requirement is: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references.

Incorrect Answers

A:

This would verify align app.json runtime and application version settings with the actual target environment, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

B:

This would verify correct launch.json environment, tenant, and authentication settings for the intended sandbox, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

C:

This would verify define a unique app id and correct publisher/name/version metadata in app.json, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. The decisive local proof is each package compiles with the expected dependency order and no ambiguous object references.

Question 136

A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. A targeted trial still reproduces the original gap after the team attempted this change: Organize the AL workspace and explicit project dependencies for all related apps. Which repair directly addresses the remaining defect?

  1. Add the missing project to the workspace and align dependency identities and versions before the build
  2. Lower the unsupported language use or update the target platform through a planned supported path
  3. Correct the launch target and credentials, then verify the environment identity before another publish
  4. Assign the proper unique app identity and republish using the corrected manifest and dependency references

Explanation

Correct Answer

A:

Add the missing project to the workspace and align dependency identities and versions before the build. This directly addresses the remaining defect for the requirement—A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. It restores the mechanism described here: a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

Incorrect Answers

B:

This correction is for the separate condition: A developer uses a recent language feature in an extension targeted at an older supported on-premises deployment. It would not directly restore the intended behavior in this situation: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

C:

This correction is for the separate condition: A developer opens a second customer project and accidentally uses an outdated Business Central sandbox URL during F5 debugging. It would not directly restore the intended behavior in this situation: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

D:

This correction is for the separate condition: Two regional teams independently package different modules using the same app GUID and publisher metadata. It would not directly restore the intended behavior in this situation: A developer struggles to publish related warehouse and finance apps from different folders with inconsistent references. Here, add the missing project to the workspace and align dependency identities and versions before the build, because a multi-project workspace enables coordinated editing while each app retains its own manifest and dependency definitions.

Question 137

A project compiles for a newer runtime than the customer's production Business Central service supports. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Correct launch.json environment, tenant, and authentication settings for the intended sandbox
  2. Define a unique app ID and correct publisher/name/version metadata in app.json
  3. Align app.json runtime and application version settings with the actual target environment
  4. Install the AL Language extension in Visual Studio Code and initialize an AL project

Explanation

Correct Answer

C:

This targets the concrete requirement—A project compiles for a newer runtime than the customer's production Business Central service supports. AL compiler and platform capability gates depend on declared runtime and referenced application versions. The team can establish success when the extension builds and publishes successfully against the target environment without unsupported feature errors.

Incorrect Answers

A:

This choice primarily fits a different requirement: An AL project compiles locally but publishes against the wrong tenant because its debug launch settings reference another environment. There, the launch configuration controls where vs code connects for debugging and deployment, independently of the app manifest. In the current situation, A project compiles for a newer runtime than the customer's production Business Central service supports. AL compiler and platform capability gates depend on declared runtime and referenced application versions. Acceptance requires the extension builds and publishes successfully against the target environment without unsupported feature errors.

B:

This choice primarily fits a different requirement: A new AL extension uses a publisher ID and app identity copied from another product, causing package collision. There, the al app manifest identifies an extension and its dependency/version contract across deployments. In the current situation, A project compiles for a newer runtime than the customer's production Business Central service supports. AL compiler and platform capability gates depend on declared runtime and referenced application versions. Acceptance requires the extension builds and publishes successfully against the target environment without unsupported feature errors.

D:

This choice primarily fits a different requirement: A developer's VS Code lacks the AL Language extension and cannot create AL objects or download symbols. There, the supported development tooling provides al syntax, project commands, symbol access, packaging, and debugging integration. In the current situation, A project compiles for a newer runtime than the customer's production Business Central service supports. AL compiler and platform capability gates depend on declared runtime and referenced application versions. Acceptance requires the extension builds and publishes successfully against the target environment without unsupported feature errors.

Question 138

A project compiles for a newer runtime than the customer's production Business Central service supports. The developer recommends the following change: Align app.json runtime and application version settings with the actual target environment. Which technical explanation most directly justifies it in this case?

  1. The launch configuration controls where VS Code connects for debugging and deployment, independently of the app manifest
  2. The AL app manifest identifies an extension and its dependency/version contract across deployments
  3. The supported development tooling provides AL syntax, project commands, symbol access, packaging, and debugging integration
  4. AL compiler and platform capability gates depend on declared runtime and referenced application versions

Explanation

Correct Answer

D:

AL compiler and platform capability gates depend on declared runtime and referenced application versions. It connects the proposed action to the exact failure or requirement—A project compiles for a newer runtime than the customer's production Business Central service supports. Confirmation would be the extension builds and publishes successfully against the target environment without unsupported feature errors.

Incorrect Answers

A:

That mechanism explains why the alternative action—correct launch.json environment, tenant, and authentication settings for the intended sandbox—helps in another case. It does not justify the proposed fix here; al compiler and platform capability gates depend on declared runtime and referenced application versions. The distinguishing requirement is: A project compiles for a newer runtime than the customer's production Business Central service supports.

B:

That mechanism explains why the alternative action—define a unique app id and correct publisher/name/version metadata in app.json—helps in another case. It does not justify the proposed fix here; al compiler and platform capability gates depend on declared runtime and referenced application versions. The distinguishing requirement is: A project compiles for a newer runtime than the customer's production Business Central service supports.

C:

That mechanism explains why the alternative action—install the al language extension in visual studio code and initialize an al project—helps in another case. It does not justify the proposed fix here; al compiler and platform capability gates depend on declared runtime and referenced application versions. The distinguishing requirement is: A project compiles for a newer runtime than the customer's production Business Central service supports.

Question 139

A project compiles for a newer runtime than the customer's production Business Central service supports. The team implemented a change aligned with this plan: Align app.json runtime and application version settings with the actual target environment. Which acceptance result specifically verifies that the reported problem is resolved?

  1. The extension builds and publishes successfully against the target environment without unsupported feature errors
  2. The debugger attaches to the intended sandbox and no package is published into the other tenant
  3. Build and tenant app inventory show unique app identity and intended publisher with no conflict
  4. AL: Go creates a project and the AL compiler recognizes the objects in the target sandbox

Explanation

Correct Answer

A:

The extension builds and publishes successfully against the target environment without unsupported feature errors. This is stronger than an unrelated health check because the desired design action is align app.json runtime and application version settings with the actual target environment, and al compiler and platform capability gates depend on declared runtime and referenced application versions. The local requirement is: A project compiles for a newer runtime than the customer's production Business Central service supports.

Incorrect Answers

B:

This would verify correct launch.json environment, tenant, and authentication settings for the intended sandbox, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A project compiles for a newer runtime than the customer's production Business Central service supports. The decisive local proof is the extension builds and publishes successfully against the target environment without unsupported feature errors.

C:

This would verify define a unique app id and correct publisher/name/version metadata in app.json, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A project compiles for a newer runtime than the customer's production Business Central service supports. The decisive local proof is the extension builds and publishes successfully against the target environment without unsupported feature errors.

D:

This would verify install the al language extension in visual studio code and initialize an al project, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A project compiles for a newer runtime than the customer's production Business Central service supports. The decisive local proof is the extension builds and publishes successfully against the target environment without unsupported feature errors.

Question 140

A project compiles for a newer runtime than the customer's production Business Central service supports. A targeted trial still reproduces the original gap after the team attempted this change: Align app.json runtime and application version settings with the actual target environment. Which repair directly addresses the remaining defect?

  1. Correct the launch target and credentials, then verify the environment identity before another publish
  2. Lower the unsupported language use or update the target platform through a planned supported path
  3. Assign the proper unique app identity and republish using the corrected manifest and dependency references
  4. Install the AL tooling and reopen the workspace with its valid project and target settings

Explanation

Correct Answer

B:

Lower the unsupported language use or update the target platform through a planned supported path. This directly addresses the remaining defect for the requirement—A project compiles for a newer runtime than the customer's production Business Central service supports. It restores the mechanism described here: al compiler and platform capability gates depend on declared runtime and referenced application versions.

Incorrect Answers

A:

This correction is for the separate condition: A developer opens a second customer project and accidentally uses an outdated Business Central sandbox URL during F5 debugging. It would not directly restore the intended behavior in this situation: A project compiles for a newer runtime than the customer's production Business Central service supports. Here, lower the unsupported language use or update the target platform through a planned supported path, because al compiler and platform capability gates depend on declared runtime and referenced application versions.

C:

This correction is for the separate condition: Two regional teams independently package different modules using the same app GUID and publisher metadata. It would not directly restore the intended behavior in this situation: A project compiles for a newer runtime than the customer's production Business Central service supports. Here, lower the unsupported language use or update the target platform through a planned supported path, because al compiler and platform capability gates depend on declared runtime and referenced application versions.

D:

This correction is for the separate condition: A support engineer edits .al files in a text editor and cannot compile or debug the extension. It would not directly restore the intended behavior in this situation: A project compiles for a newer runtime than the customer's production Business Central service supports. Here, lower the unsupported language use or update the target platform through a planned supported path, because al compiler and platform capability gates depend on declared runtime and referenced application versions.


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