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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 17

Question 160

A release engineer must move a tested finance extension into a managed deployment pipeline from source control. A targeted trial still reproduces the original gap after the team attempted this change: Build the AL project into an .app package and promote the tested artifact through the release process. Which repair directly addresses the remaining defect?

  1. Regenerate or correct translation units, remove hardcoded UI text, and ship matching XLF resources
  2. Add or correct the install hook and rerun fresh-install tests with clean tenant state
  3. Rebuild from the approved source revision and deploy that package rather than an untracked local copy
  4. Fix the upgrade codeunit's data conversion and validate the migration against a restored old-version dataset

Explanation

Correct Answer

C:

Rebuild from the approved source revision and deploy that package rather than an untracked local copy. This directly addresses the remaining defect for the requirement—A release engineer must move a tested finance extension into a managed deployment pipeline from source control. It restores the mechanism described here: al packaging provides a deployable extension artifact decoupled from the developer's interactive editor session.

Incorrect Answers

A:

This correction is for the separate condition: A regional service team updates an AL UI app but German users still see hardcoded help strings. It would not directly restore the intended behavior in this situation: A release engineer must move a tested finance extension into a managed deployment pipeline from source control. Here, rebuild from the approved source revision and deploy that package rather than an untracked local copy, because al packaging provides a deployable extension artifact decoupled from the developer's interactive editor session.

B:

This correction is for the separate condition: A new tenant install requires initial setup records and default feature flags before users start work. It would not directly restore the intended behavior in this situation: A release engineer must move a tested finance extension into a managed deployment pipeline from source control. Here, rebuild from the approved source revision and deploy that package rather than an untracked local copy, because al packaging provides a deployable extension artifact decoupled from the developer's interactive editor session.

D:

This correction is for the separate condition: An add-on introduces a revised subscription key and upgrading a populated tenant loses legacy mappings. It would not directly restore the intended behavior in this situation: A release engineer must move a tested finance extension into a managed deployment pipeline from source control. Here, rebuild from the approved source revision and deploy that package rather than an untracked local copy, because al packaging provides a deployable extension artifact decoupled from the developer's interactive editor session.

Question 161

A published translation file shows English labels for a Spanish rollout despite translated captions being available. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Generate and maintain XLF translations and use translatable AL captions and labels
  2. Include the appropriate install codeunit and verify its first-install behavior
  3. Implement an upgrade codeunit and rehearse migration on representative historical records
  4. Use a reproducible AL build and release pipeline with fixed source revision and dependency versions

Explanation

Correct Answer

A:

This targets the concrete requirement—A published translation file shows English labels for a Spanish rollout despite translated captions being available. AL multilingual support relies on resources that map caption/label identifiers to localized translations. The team can establish success when the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Incorrect Answers

B:

This choice primarily fits a different requirement: A warehouse extension is published into a sandbox without executing its post-install setup routine. There, installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. In the current situation, A published translation file shows English labels for a Spanish rollout despite translated captions being available. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

C:

This choice primarily fits a different requirement: A data field changes structure in an extension update while existing invoice records must be migrated. There, upgrade logic maps existing tenant data to the new schema during an app version transition. In the current situation, A published translation file shows English labels for a Spanish rollout despite translated captions being available. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

D:

This choice primarily fits a different requirement: A package passes interactive deployment but fails after a CI build because the pipeline uses inconsistent dependencies. There, continuous integration should produce the same versioned package from controlled source and dependencies for promotion. In the current situation, A published translation file shows English labels for a Spanish rollout despite translated captions being available. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Question 162

A published translation file shows English labels for a Spanish rollout despite translated captions being available. The developer recommends the following change: Generate and maintain XLF translations and use translatable AL captions and labels. Which technical explanation most directly justifies it in this case?

  1. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades
  2. AL multilingual support relies on resources that map caption/label identifiers to localized translations
  3. Upgrade logic maps existing tenant data to the new schema during an app version transition
  4. Continuous integration should produce the same versioned package from controlled source and dependencies for promotion

Explanation

Correct Answer

B:

AL multilingual support relies on resources that map caption/label identifiers to localized translations. It connects the proposed action to the exact failure or requirement—A published translation file shows English labels for a Spanish rollout despite translated captions being available. Confirmation would be the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Incorrect Answers

A:

That mechanism explains why the alternative action—include the appropriate install codeunit and verify its first-install behavior—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A published translation file shows English labels for a Spanish rollout despite translated captions being available.

C:

That mechanism explains why the alternative action—implement an upgrade codeunit and rehearse migration on representative historical records—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A published translation file shows English labels for a Spanish rollout despite translated captions being available.

D:

That mechanism explains why the alternative action—use a reproducible al build and release pipeline with fixed source revision and dependency versions—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A published translation file shows English labels for a Spanish rollout despite translated captions being available.

Question 163

A published translation file shows English labels for a Spanish rollout despite translated captions being available. The team implemented a change aligned with this plan: Generate and maintain XLF translations and use translatable AL captions and labels. Which acceptance result specifically verifies that the reported problem is resolved?

  1. A fresh test tenant installs the app and receives the expected setup records exactly once
  2. An upgraded sandbox retains expected historical records and new lookups work after the migration
  3. The published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope
  4. Artifact metadata, test results, and release logs all trace to the same approved source commit

Explanation

Correct Answer

C:

The published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope. This is stronger than an unrelated health check because the desired design action is generate and maintain xlf translations and use translatable al captions and labels, and al multilingual support relies on resources that map caption/label identifiers to localized translations. The local requirement is: A published translation file shows English labels for a Spanish rollout despite translated captions being available.

Incorrect Answers

A:

This would verify include the appropriate install codeunit and verify its first-install behavior, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A published translation file shows English labels for a Spanish rollout despite translated captions being available. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

B:

This would verify implement an upgrade codeunit and rehearse migration on representative historical records, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A published translation file shows English labels for a Spanish rollout despite translated captions being available. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

D:

This would verify use a reproducible al build and release pipeline with fixed source revision and dependency versions, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A published translation file shows English labels for a Spanish rollout despite translated captions being available. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Question 164

A published translation file shows English labels for a Spanish rollout despite translated captions being available. A targeted trial still reproduces the original gap after the team attempted this change: Generate and maintain XLF translations and use translatable AL captions and labels. Which repair directly addresses the remaining defect?

  1. Add or correct the install hook and rerun fresh-install tests with clean tenant state
  2. Fix the upgrade codeunit's data conversion and validate the migration against a restored old-version dataset
  3. Repair dependency pinning and artifact promotion so the pipeline deploys only its validated build
  4. Regenerate or correct translation units, remove hardcoded UI text, and ship matching XLF resources

Explanation

Correct Answer

D:

Regenerate or correct translation units, remove hardcoded UI text, and ship matching XLF resources. This directly addresses the remaining defect for the requirement—A published translation file shows English labels for a Spanish rollout despite translated captions being available. It restores the mechanism described here: al multilingual support relies on resources that map caption/label identifiers to localized translations.

Incorrect Answers

A:

This correction is for the separate condition: A new tenant install requires initial setup records and default feature flags before users start work. It would not directly restore the intended behavior in this situation: A published translation file shows English labels for a Spanish rollout despite translated captions being available. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

B:

This correction is for the separate condition: An add-on introduces a revised subscription key and upgrading a populated tenant loses legacy mappings. It would not directly restore the intended behavior in this situation: A published translation file shows English labels for a Spanish rollout despite translated captions being available. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

C:

This correction is for the separate condition: An extension build generated from one commit works locally but deployment carries an older artifact from another branch. It would not directly restore the intended behavior in this situation: A published translation file shows English labels for a Spanish rollout despite translated captions being available. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

Question 165

A regional service team updates an AL UI app but German users still see hardcoded help strings. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Include the appropriate install codeunit and verify its first-install behavior
  2. Generate and maintain XLF translations and use translatable AL captions and labels
  3. Implement an upgrade codeunit and rehearse migration on representative historical records
  4. Use a reproducible AL build and release pipeline with fixed source revision and dependency versions

Explanation

Correct Answer

B:

This targets the concrete requirement—A regional service team updates an AL UI app but German users still see hardcoded help strings. AL multilingual support relies on resources that map caption/label identifiers to localized translations. The team can establish success when the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Incorrect Answers

A:

This choice primarily fits a different requirement: A warehouse extension is published into a sandbox without executing its post-install setup routine. There, installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. In the current situation, A regional service team updates an AL UI app but German users still see hardcoded help strings. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

C:

This choice primarily fits a different requirement: A data field changes structure in an extension update while existing invoice records must be migrated. There, upgrade logic maps existing tenant data to the new schema during an app version transition. In the current situation, A regional service team updates an AL UI app but German users still see hardcoded help strings. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

D:

This choice primarily fits a different requirement: A package passes interactive deployment but fails after a CI build because the pipeline uses inconsistent dependencies. There, continuous integration should produce the same versioned package from controlled source and dependencies for promotion. In the current situation, A regional service team updates an AL UI app but German users still see hardcoded help strings. AL multilingual support relies on resources that map caption/label identifiers to localized translations. Acceptance requires the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Question 166

A regional service team updates an AL UI app but German users still see hardcoded help strings. The developer recommends the following change: Generate and maintain XLF translations and use translatable AL captions and labels. Which technical explanation most directly justifies it in this case?

  1. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades
  2. Upgrade logic maps existing tenant data to the new schema during an app version transition
  3. AL multilingual support relies on resources that map caption/label identifiers to localized translations
  4. Continuous integration should produce the same versioned package from controlled source and dependencies for promotion

Explanation

Correct Answer

C:

AL multilingual support relies on resources that map caption/label identifiers to localized translations. It connects the proposed action to the exact failure or requirement—A regional service team updates an AL UI app but German users still see hardcoded help strings. Confirmation would be the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Incorrect Answers

A:

That mechanism explains why the alternative action—include the appropriate install codeunit and verify its first-install behavior—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A regional service team updates an AL UI app but German users still see hardcoded help strings.

B:

That mechanism explains why the alternative action—implement an upgrade codeunit and rehearse migration on representative historical records—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A regional service team updates an AL UI app but German users still see hardcoded help strings.

D:

That mechanism explains why the alternative action—use a reproducible al build and release pipeline with fixed source revision and dependency versions—helps in another case. It does not justify the proposed fix here; al multilingual support relies on resources that map caption/label identifiers to localized translations. The distinguishing requirement is: A regional service team updates an AL UI app but German users still see hardcoded help strings.

Question 167

A regional service team updates an AL UI app but German users still see hardcoded help strings. The team implemented a change aligned with this plan: Generate and maintain XLF translations and use translatable AL captions and labels. Which acceptance result specifically verifies that the reported problem is resolved?

  1. A fresh test tenant installs the app and receives the expected setup records exactly once
  2. An upgraded sandbox retains expected historical records and new lookups work after the migration
  3. Artifact metadata, test results, and release logs all trace to the same approved source commit
  4. The published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope

Explanation

Correct Answer

D:

The published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope. This is stronger than an unrelated health check because the desired design action is generate and maintain xlf translations and use translatable al captions and labels, and al multilingual support relies on resources that map caption/label identifiers to localized translations. The local requirement is: A regional service team updates an AL UI app but German users still see hardcoded help strings.

Incorrect Answers

A:

This would verify include the appropriate install codeunit and verify its first-install behavior, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A regional service team updates an AL UI app but German users still see hardcoded help strings. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

B:

This would verify implement an upgrade codeunit and rehearse migration on representative historical records, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A regional service team updates an AL UI app but German users still see hardcoded help strings. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

C:

This would verify use a reproducible al build and release pipeline with fixed source revision and dependency versions, which addresses a different engineering need. It does not demonstrate that the current issue is resolved: A regional service team updates an AL UI app but German users still see hardcoded help strings. The decisive local proof is the published language pack shows translated labels for the selected user language and no untranslated hardcoded strings in scope.

Question 168

A regional service team updates an AL UI app but German users still see hardcoded help strings. A targeted trial still reproduces the original gap after the team attempted this change: Generate and maintain XLF translations and use translatable AL captions and labels. Which repair directly addresses the remaining defect?

  1. Regenerate or correct translation units, remove hardcoded UI text, and ship matching XLF resources
  2. Add or correct the install hook and rerun fresh-install tests with clean tenant state
  3. Fix the upgrade codeunit's data conversion and validate the migration against a restored old-version dataset
  4. Repair dependency pinning and artifact promotion so the pipeline deploys only its validated build

Explanation

Correct Answer

A:

Regenerate or correct translation units, remove hardcoded UI text, and ship matching XLF resources. This directly addresses the remaining defect for the requirement—A regional service team updates an AL UI app but German users still see hardcoded help strings. It restores the mechanism described here: al multilingual support relies on resources that map caption/label identifiers to localized translations.

Incorrect Answers

B:

This correction is for the separate condition: A new tenant install requires initial setup records and default feature flags before users start work. It would not directly restore the intended behavior in this situation: A regional service team updates an AL UI app but German users still see hardcoded help strings. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

C:

This correction is for the separate condition: An add-on introduces a revised subscription key and upgrading a populated tenant loses legacy mappings. It would not directly restore the intended behavior in this situation: A regional service team updates an AL UI app but German users still see hardcoded help strings. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

D:

This correction is for the separate condition: An extension build generated from one commit works locally but deployment carries an older artifact from another branch. It would not directly restore the intended behavior in this situation: A regional service team updates an AL UI app but German users still see hardcoded help strings. Here, regenerate or correct translation units, remove hardcoded ui text, and ship matching xlf resources, because al multilingual support relies on resources that map caption/label identifiers to localized translations.

Question 169

A warehouse extension is published into a sandbox without executing its post-install setup routine. Which single AL development or architecture change best resolves this requirement without redesigning unrelated workflows?

  1. Implement an upgrade codeunit and rehearse migration on representative historical records
  2. Use a reproducible AL build and release pipeline with fixed source revision and dependency versions
  3. Include the appropriate install codeunit and verify its first-install behavior
  4. Set VS Code breakpoints and debug the extension execution path in the sandbox

Explanation

Correct Answer

C:

This targets the concrete requirement—A warehouse extension is published into a sandbox without executing its post-install setup routine. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. The team can establish success when a fresh test tenant installs the app and receives the expected setup records exactly once.

Incorrect Answers

A:

This choice primarily fits a different requirement: A data field changes structure in an extension update while existing invoice records must be migrated. There, upgrade logic maps existing tenant data to the new schema during an app version transition. In the current situation, A warehouse extension is published into a sandbox without executing its post-install setup routine. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. Acceptance requires a fresh test tenant installs the app and receives the expected setup records exactly once.

B:

This choice primarily fits a different requirement: A package passes interactive deployment but fails after a CI build because the pipeline uses inconsistent dependencies. There, continuous integration should produce the same versioned package from controlled source and dependencies for promotion. In the current situation, A warehouse extension is published into a sandbox without executing its post-install setup routine. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. Acceptance requires a fresh test tenant installs the app and receives the expected setup records exactly once.

D:

This choice primarily fits a different requirement: An AL developer needs to inspect a record value while a purchase posting subscriber unexpectedly throws an error. There, the al debugger exposes call flow and variable state at the problematic trigger or subscriber. In the current situation, A warehouse extension is published into a sandbox without executing its post-install setup routine. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. Acceptance requires a fresh test tenant installs the app and receives the expected setup records exactly once.

Question 170

A warehouse extension is published into a sandbox without executing its post-install setup routine. The developer recommends the following change: Include the appropriate install codeunit and verify its first-install behavior. Which technical explanation most directly justifies it in this case?

  1. Upgrade logic maps existing tenant data to the new schema during an app version transition
  2. Continuous integration should produce the same versioned package from controlled source and dependencies for promotion
  3. The AL debugger exposes call flow and variable state at the problematic trigger or subscriber
  4. Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades

Explanation

Correct Answer

D:

Installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. It connects the proposed action to the exact failure or requirement—A warehouse extension is published into a sandbox without executing its post-install setup routine. Confirmation would be a fresh test tenant installs the app and receives the expected setup records exactly once.

Incorrect Answers

A:

That mechanism explains why the alternative action—implement an upgrade codeunit and rehearse migration on representative historical records—helps in another case. It does not justify the proposed fix here; installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. The distinguishing requirement is: A warehouse extension is published into a sandbox without executing its post-install setup routine.

B:

That mechanism explains why the alternative action—use a reproducible al build and release pipeline with fixed source revision and dependency versions—helps in another case. It does not justify the proposed fix here; installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. The distinguishing requirement is: A warehouse extension is published into a sandbox without executing its post-install setup routine.

C:

That mechanism explains why the alternative action—set vs code breakpoints and debug the extension execution path in the sandbox—helps in another case. It does not justify the proposed fix here; installation logic initializes data and configuration when the extension is installed, independently of subsequent upgrades. The distinguishing requirement is: A warehouse extension is published into a sandbox without executing its post-install setup routine.


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