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Microsoft MB-820 Bundle

Exam Code: MB-820

Exam Name Microsoft Dynamics 365 Business Central Developer

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Dynamics 365 Business Central Developer Associate

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Microsoft Dynamics 365 Business Central Developer (MB-820) Practice Tests

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Microsoft MB-820 Practice Test 12

Question 110

At fictional Delta Repairs, the Business Central development team is supporting repair order management and reviewing object model and application extensibility during a sandbox design review (MB820-3.5-107). The observed development issue is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. Which recurring engineering check would best prevent this issue from returning?

  1. Review entitlement-to-role effects when product packaging changes.
  2. Test least-privilege roles using actual user scenarios.
  3. Audit effective permissions after role assignment changes.
  4. Check permission drift with every new object declaration.

Explanation

Correct Answer

B:

The ongoing check is to test least-privilege roles using actual user scenarios. This helps detect recurrence when a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. The associated correction is to include appropriate page execution permissions and necessary underlying table-data rights; a confirming result is that the intended role can open the page and read only its authorized records.

Incorrect Answers

A:

“Review entitlement-to-role effects when product packaging changes” supports the separate task “model supported entitlements and application rights separately, testing their combined effect”, not the reported problem: a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. This case instead calls for “Test least-privilege roles using actual user scenarios”.

C:

“Audit effective permissions after role assignment changes” concerns the alternative task “inspect effective permissions and role composition, then remove or constrain excessive assignments”, but the stated failure is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. The required measure is to test least-privilege roles using actual user scenarios.

D:

The proposed “Check permission drift with every new object declaration” tests a different control: add the table-data rights to an appropriate permissionset or permissionsetextension. The reported condition is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks; the more direct action is to test least-privilege roles using actual user scenarios.

Question 111

At fictional Delta Repairs, the Business Central development team is supporting repair order management and reviewing object model and application extensibility during a sandbox design review (MB820-3.5-107). The observed development issue is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. Which Business Central or AL development principle best explains the right response?

  1. Least privilege limits blast radius from extensibility flaws.
  2. Object execution and data permissions are separate requirements.
  3. UI visibility is not a security boundary.
  4. Data model evolution often requires corresponding permission model updates.

Explanation

Correct Answer

B:

The governing principle is that object execution and data permissions are separate requirements. The engineering response is to include appropriate page execution permissions and necessary underlying table-data rights. Verification should show that the intended role can open the page and read only its authorized records.

Incorrect Answers

A:

“Least privilege limits blast radius from extensibility flaws” concerns the separate step “trim permissions to the exact object set and operations required for business tasks”. The reported issue is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks, so the direct response is to include appropriate page execution permissions and necessary underlying table-data rights.

C:

The proposed “UI visibility is not a security boundary” tests a different control: enforce access using resource-side permission sets and protected code paths. The reported condition is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks; the more direct action is to include appropriate page execution permissions and necessary underlying table-data rights.

D:

“Data model evolution often requires corresponding permission model updates” supports the separate task “add the table-data rights to an appropriate permissionset or permissionsetextension”, not the reported problem: a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. This case instead calls for “include appropriate page execution permissions and necessary underlying table-data rights”.

Question 112

At fictional Delta Repairs, the Business Central development team is supporting repair order management and reviewing object model and application extensibility during a sandbox design review (MB820-3.5-107). The observed development issue is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. Which observed result would most clearly show the intended correction works?

  1. The feature works while unrelated customer tables remain inaccessible.
  2. The intended role can open the page and read only its authorized records.
  3. Users with the intended license retain approved features while restricted capabilities remain unavailable.
  4. An unauthorized API call fails even when the UI action is hidden.

Explanation

Correct Answer

B:

This is the outcome that directly verifies the intended correction: the intended role can open the page and read only its authorized records. The related solution is to include appropriate page execution permissions and necessary underlying table-data rights; it is based on the principle that object execution and data permissions are separate requirements.

Incorrect Answers

A:

“The feature works while unrelated customer tables remain inaccessible” concerns the alternative task “trim permissions to the exact object set and operations required for business tasks”, but the stated failure is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. The required measure is to the intended role can open the page and read only its authorized records.

C:

“Users with the intended license retain approved features while restricted capabilities remain unavailable” supports the separate task “model supported entitlements and application rights separately, testing their combined effect”, not the reported problem: a custom permission set grants table read access but users still cannot execute the page needed for daily tasks. This case instead calls for “The intended role can open the page and read only its authorized records”.

D:

“An unauthorized API call fails even when the UI action is hidden” concerns the separate step “enforce access using resource-side permission sets and protected code paths”. The reported issue is that a custom permission set grants table read access but users still cannot execute the page needed for daily tasks, so the direct response is to the intended role can open the page and read only its authorized records.

Question 113

At fictional Valley Media, the Business Central development team is supporting advertising orders and invoices and reviewing extension environment and deployment preparation during a release qualification test (MB820-2.1-030). The observed development issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. Which AL development or design response most directly addresses this issue?

  1. Install the current AL Language extension in Visual Studio Code and use its compiler and editor services.
  2. Create and target a dedicated sandbox environment with nonproduction data and restricted permissions.
  3. Configure an appropriate multi-root workspace and preserve distinct app manifests and dependencies.
  4. Use separate, minimally scoped development configurations rather than shared cross-customer endpoints.

Explanation

Correct Answer

A:

The most direct corrective response is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services. This addresses the specific failure where a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. Acceptance evidence is that object syntax diagnostics and AL-specific completion appear in the workspace.

Incorrect Answers

B:

“Create and target a dedicated sandbox environment with nonproduction data and restricted permissions” supports the separate task “create and target a dedicated sandbox environment with nonproduction data and restricted permissions”, not the reported problem: a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. This case instead calls for “install the current AL Language extension in Visual Studio Code and use its compiler and editor services”.

C:

“Configure an appropriate multi-root workspace and preserve distinct app manifests and dependencies” concerns the separate step “configure an appropriate multi-root workspace and preserve distinct app manifests and dependencies”. The reported issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early, so the direct response is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services.

D:

“Use separate, minimally scoped development configurations rather than shared cross-customer endpoints” concerns the alternative task “use separate, minimally scoped development configurations rather than shared cross-customer endpoints”, but the stated failure is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. The required measure is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services.

Question 114

At fictional Valley Media, the Business Central development team is supporting advertising orders and invoices and reviewing extension environment and deployment preparation during a release qualification test (MB820-2.1-030). The observed development issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. Which recurring engineering check would best prevent this issue from returning?

  1. Check supported VS Code and AL extension versions during onboarding.
  2. Perform clean builds when target platform versions change.
  3. Scan project configuration for access tokens and connection secrets.
  4. Block production endpoints in development launch profiles.

Explanation

Correct Answer

A:

The ongoing check is to check supported VS Code and AL extension versions during onboarding. This helps detect recurrence when a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. The associated correction is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services; a confirming result is that object syntax diagnostics and AL-specific completion appear in the workspace.

Incorrect Answers

B:

“Perform clean builds when target platform versions change” concerns the separate step “refresh downloaded symbols and resolve dependency versions against the new application target”. The reported issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early, so the direct response is to check supported VS Code and AL extension versions during onboarding.

C:

“Scan project configuration for access tokens and connection secrets” concerns the alternative task “keep application metadata separate from secret-bearing connection profiles and use supported secure sign-in”, but the stated failure is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. The required measure is to check supported VS Code and AL extension versions during onboarding.

D:

The proposed “Block production endpoints in development launch profiles” tests a different control: create and target a dedicated sandbox environment with nonproduction data and restricted permissions. The reported condition is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early; the more direct action is to check supported VS Code and AL extension versions during onboarding.

Question 115

At fictional Valley Media, the Business Central development team is supporting advertising orders and invoices and reviewing extension environment and deployment preparation during a release qualification test (MB820-2.1-030). The observed development issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. Which Business Central or AL development principle best explains the right response?

  1. A multi-app workspace does not imply one combined app identity.
  2. Compilation depends on both symbol availability and declared app relationships.
  3. Supported developer tooling shortens the feedback loop for AL errors.
  4. Development connection configuration must identify the target environment accurately.

Explanation

Correct Answer

C:

The governing principle is that supported developer tooling shortens the feedback loop for AL errors. The engineering response is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services. Verification should show that object syntax diagnostics and AL-specific completion appear in the workspace.

Incorrect Answers

A:

“A multi-app workspace does not imply one combined app identity” concerns the separate step “configure an appropriate multi-root workspace and preserve distinct app manifests and dependencies”. The reported issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early, so the direct response is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services.

B:

“Compilation depends on both symbol availability and declared app relationships” concerns the alternative task “download current symbols and declare the required app dependency with compatible versions”, but the stated failure is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. The required measure is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services.

D:

“Development connection configuration must identify the target environment accurately” supports the separate task “correct the server, environment name, tenant and authentication settings for the intended Business Central sandbox”, not the reported problem: a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. This case instead calls for “install the current AL Language extension in Visual Studio Code and use its compiler and editor services”.

Question 116

At fictional Valley Media, the Business Central development team is supporting advertising orders and invoices and reviewing extension environment and deployment preparation during a release qualification test (MB820-2.1-030). The observed development issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. Which observed result would most clearly show the intended correction works?

  1. IntelliSense and the compiler resolve the referenced symbols from the intended libraries.
  2. Each developer connects only to the tenant and sandbox they are authorized to use.
  3. Object syntax diagnostics and AL-specific completion appear in the workspace.
  4. Experimental deployments do not modify live company data or affect productive users.

Explanation

Correct Answer

C:

This is the outcome that directly verifies the intended correction: object syntax diagnostics and AL-specific completion appear in the workspace. The related solution is to install the current AL Language extension in Visual Studio Code and use its compiler and editor services; it is based on the principle that supported developer tooling shortens the feedback loop for AL errors.

Incorrect Answers

A:

“IntelliSense and the compiler resolve the referenced symbols from the intended libraries” concerns the alternative task “download current symbols and declare the required app dependency with compatible versions”, but the stated failure is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early. The required measure is to object syntax diagnostics and AL-specific completion appear in the workspace.

B:

The proposed “Each developer connects only to the tenant and sandbox they are authorized to use” tests a different control: use separate, minimally scoped development configurations rather than shared cross-customer endpoints. The reported condition is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early; the more direct action is to object syntax diagnostics and AL-specific completion appear in the workspace.

D:

“Experimental deployments do not modify live company data or affect productive users” concerns the separate step “create and target a dedicated sandbox environment with nonproduction data and restricted permissions”. The reported issue is that a new AL engineer edits .al files in a text editor without the AL Language extension and cannot identify syntax problems early, so the direct response is to object syntax diagnostics and AL-specific completion appear in the workspace.

Question 117

At fictional Cedar Retail Group, the Business Central development team is supporting store procurement and finance and reviewing automated testing and diagnostics during a release qualification test (MB820-5.1-169). The observed development issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. Which AL development or design response most directly addresses this issue?

  1. Use the appropriate TestPage interaction and assert resulting business state.
  2. Create AL test codeunits with [Test] procedures covering success and rejection branches.
  3. Create independent fixtures for each test and use appropriate cleanup or transaction isolation.
  4. Use controlled HTTP mocks or supported test isolation and fixture responses.

Explanation

Correct Answer

D:

The most direct corrective response is to use controlled HTTP mocks or supported test isolation and fixture responses. This addresses the specific failure where an HTTP integration test calls a real payment service and charges the same test card repeatedly. Acceptance evidence is that repeated test runs validate behavior without real financial side effects.

Incorrect Answers

A:

The proposed “Use the appropriate TestPage interaction and assert resulting business state” tests a different control: use the appropriate TestPage interaction and assert resulting business state. The reported condition is that an HTTP integration test calls a real payment service and charges the same test card repeatedly; the more direct action is to use controlled HTTP mocks or supported test isolation and fixture responses.

B:

“Create AL test codeunits with [Test] procedures covering success and rejection branches” supports the separate task “create AL test codeunits with [Test] procedures covering success and rejection branches”, not the reported problem: an HTTP integration test calls a real payment service and charges the same test card repeatedly. This case instead calls for “use controlled HTTP mocks or supported test isolation and fixture responses”.

C:

“Create independent fixtures for each test and use appropriate cleanup or transaction isolation” concerns the separate step “create independent fixtures for each test and use appropriate cleanup or transaction isolation”. The reported issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly, so the direct response is to use controlled HTTP mocks or supported test isolation and fixture responses.

Question 118

At fictional Cedar Retail Group, the Business Central development team is supporting store procurement and finance and reviewing automated testing and diagnostics during a release qualification test (MB820-5.1-169). The observed development issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. Which recurring engineering check would best prevent this issue from returning?

  1. Include state assertions after critical page actions.
  2. Audit outbound test endpoints and credentials.
  3. Randomize test execution order periodically.
  4. Add seeded data migration cases to release gates.

Explanation

Correct Answer

B:

The ongoing check is to audit outbound test endpoints and credentials. This helps detect recurrence when an HTTP integration test calls a real payment service and charges the same test card repeatedly. The associated correction is to use controlled HTTP mocks or supported test isolation and fixture responses; a confirming result is that repeated test runs validate behavior without real financial side effects.

Incorrect Answers

A:

“Include state assertions after critical page actions” supports the separate task “use the appropriate TestPage interaction and assert resulting business state”, not the reported problem: an HTTP integration test calls a real payment service and charges the same test card repeatedly. This case instead calls for “Audit outbound test endpoints and credentials”.

C:

“Randomize test execution order periodically” concerns the alternative task “create independent fixtures for each test and use appropriate cleanup or transaction isolation”, but the stated failure is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. The required measure is to audit outbound test endpoints and credentials.

D:

The proposed “Add seeded data migration cases to release gates” tests a different control: seed an older app version with representative data then test upgrade preservation. The reported condition is that an HTTP integration test calls a real payment service and charges the same test card repeatedly; the more direct action is to audit outbound test endpoints and credentials.

Question 119

At fictional Cedar Retail Group, the Business Central development team is supporting store procurement and finance and reviewing automated testing and diagnostics during a release qualification test (MB820-5.1-169). The observed development issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. Which Business Central or AL development principle best explains the right response?

  1. Upgrade testing differs from clean-install testing.
  2. Report tests should verify content, not merely execution.
  3. Integration tests should isolate consequential external actions.
  4. Regression testing needs executable assertions, not only manual exploration.

Explanation

Correct Answer

C:

The governing principle is that integration tests should isolate consequential external actions. The engineering response is to use controlled HTTP mocks or supported test isolation and fixture responses. Verification should show that repeated test runs validate behavior without real financial side effects.

Incorrect Answers

A:

“Upgrade testing differs from clean-install testing” concerns the separate step “seed an older app version with representative data then test upgrade preservation”. The reported issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly, so the direct response is to use controlled HTTP mocks or supported test isolation and fixture responses.

B:

“Report tests should verify content, not merely execution” concerns the alternative task “assert expected dataset values or generated output with representative fixtures”, but the stated failure is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. The required measure is to use controlled HTTP mocks or supported test isolation and fixture responses.

D:

“Regression testing needs executable assertions, not only manual exploration” supports the separate task “create AL test codeunits with [Test] procedures covering success and rejection branches”, not the reported problem: an HTTP integration test calls a real payment service and charges the same test card repeatedly. This case instead calls for “use controlled HTTP mocks or supported test isolation and fixture responses”.

Question 120

At fictional Cedar Retail Group, the Business Central development team is supporting store procurement and finance and reviewing automated testing and diagnostics during a release qualification test (MB820-5.1-169). The observed development issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. Which observed result would most clearly show the intended correction works?

  1. The test creates and cleans up synthetic records without touching production customers.
  2. Multiple tests apply the same business expectation consistently.
  3. Repeated test runs validate behavior without real financial side effects.
  4. A changed report that omits lines or totals fails the test.

Explanation

Correct Answer

C:

This is the outcome that directly verifies the intended correction: repeated test runs validate behavior without real financial side effects. The related solution is to use controlled HTTP mocks or supported test isolation and fixture responses; it is based on the principle that integration tests should isolate consequential external actions.

Incorrect Answers

A:

“The test creates and cleans up synthetic records without touching production customers” concerns the alternative task “run Business Central tests using an isolated test environment and controlled fixtures”, but the stated failure is that an HTTP integration test calls a real payment service and charges the same test card repeatedly. The required measure is to repeated test runs validate behavior without real financial side effects.

B:

The proposed “Multiple tests apply the same business expectation consistently” tests a different control: use shared test helpers and a clear arrange-act-assert structure. The reported condition is that an HTTP integration test calls a real payment service and charges the same test card repeatedly; the more direct action is to repeated test runs validate behavior without real financial side effects.

D:

“A changed report that omits lines or totals fails the test” concerns the separate step “assert expected dataset values or generated output with representative fixtures”. The reported issue is that an HTTP integration test calls a real payment service and charges the same test card repeatedly, so the direct response is to repeated test runs validate behavior without real financial side effects.