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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 32

Question 310

At fictional Juniper Hospitality, the Business Central development team is supporting property purchasing and billing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-069). The observed development issue is that a developer performs costly record aggregation inside a print trigger for every row. Which recurring engineering check would best prevent this issue from returning?

  1. Track report duration and query volume after design changes.
  2. Test boundary date filters and saved request settings.
  3. Review cross-company access before enabling consolidated reporting.
  4. Test report execution with limited permission sets.

Explanation

Correct Answer

A:

The ongoing check is to track report duration and query volume after design changes. This helps detect recurrence when a developer performs costly record aggregation inside a print trigger for every row. The associated correction is to move expensive aggregations to appropriate query or dataset design and profile execution; a confirming result is that output totals remain correct while runtime and database workload decline.

Incorrect Answers

B:

“Test boundary date filters and saved request settings” concerns the separate step “add a report request page exposing the supported filters and options”. The reported issue is that a developer performs costly record aggregation inside a print trigger for every row, so the direct response is to track report duration and query volume after design changes.

C:

“Review cross-company access before enabling consolidated reporting” concerns the alternative task “make the company scope explicit and use supported authorized company access mechanisms”, but the stated failure is that a developer performs costly record aggregation inside a print trigger for every row. The required measure is to track report duration and query volume after design changes.

D:

The proposed “Test report execution with limited permission sets” tests a different control: apply appropriate report access controls and design minimized datasets or output views. The reported condition is that a developer performs costly record aggregation inside a print trigger for every row; the more direct action is to track report duration and query volume after design changes.

Question 311

At fictional Juniper Hospitality, the Business Central development team is supporting property purchasing and billing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-069). The observed development issue is that a developer performs costly record aggregation inside a print trigger for every row. Which observed result would most clearly show the intended correction works?

  1. The layout changes while all required report fields remain available.
  2. The report displays populated fields again after the upgrade.
  3. The batch updates expected records and does not produce a meaningless empty document.
  4. Output totals remain correct while runtime and database workload decline.

Explanation

Correct Answer

D:

This is the outcome that directly verifies the intended correction: output totals remain correct while runtime and database workload decline. The related solution is to move expensive aggregations to appropriate query or dataset design and profile execution; it is based on the principle that report logic should minimize repetitive database queries.

Incorrect Answers

A:

“The layout changes while all required report fields remain available” concerns the separate step “keep dataset definitions separate from supported report layout updates or extensions”. The reported issue is that a developer performs costly record aggregation inside a print trigger for every row, so the direct response is to output totals remain correct while runtime and database workload decline.

B:

“The report displays populated fields again after the upgrade” concerns the alternative task “reconcile custom layout bindings with the current report dataset and supported extension schema”, but the stated failure is that a developer performs costly record aggregation inside a print trigger for every row. The required measure is to output totals remain correct while runtime and database workload decline.

C:

The proposed “The batch updates expected records and does not produce a meaningless empty document” tests a different control: use a ProcessingOnly report or suitable codeunit for the batch operation. The reported condition is that a developer performs costly record aggregation inside a print trigger for every row; the more direct action is to output totals remain correct while runtime and database workload decline.

Question 312

At fictional Juniper Hospitality, the Business Central development team is supporting property purchasing and billing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-069). The observed development issue is that a developer performs costly record aggregation inside a print trigger for every row. Which Business Central or AL development principle best explains the right response?

  1. Report presentation does not override data authorization boundaries.
  2. Report data and visual layout are separate design concerns.
  3. Report logic should minimize repetitive database queries.
  4. Report dataitem hierarchy determines record repetition and scope.

Explanation

Correct Answer

C:

The governing principle is that report logic should minimize repetitive database queries. The engineering response is to move expensive aggregations to appropriate query or dataset design and profile execution. Verification should show that output totals remain correct while runtime and database workload decline.

Incorrect Answers

A:

“Report presentation does not override data authorization boundaries” concerns the alternative task “apply appropriate report access controls and design minimized datasets or output views”, but the stated failure is that a developer performs costly record aggregation inside a print trigger for every row. The required measure is to move expensive aggregations to appropriate query or dataset design and profile execution.

B:

The proposed “Report data and visual layout are separate design concerns” tests a different control: keep dataset definitions separate from supported report layout updates or extensions. The reported condition is that a developer performs costly record aggregation inside a print trigger for every row; the more direct action is to move expensive aggregations to appropriate query or dataset design and profile execution.

D:

“Report dataitem hierarchy determines record repetition and scope” concerns the separate step “adjust the parent/child dataitems, grouping and iteration behavior in the report model”. The reported issue is that a developer performs costly record aggregation inside a print trigger for every row, so the direct response is to move expensive aggregations to appropriate query or dataset design and profile execution.

Question 313

At fictional Harborline Health Supply, the Business Central development team is supporting medical supply purchasing and reviewing object model and application extensibility during a tenant acceptance test (MB820-3.5-104). The observed development issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. Which AL development or design response most directly addresses this issue?

  1. Trim permissions to the exact object set and operations required for business tasks.
  2. Model supported entitlements and application rights separately, testing their combined effect.
  3. Use documented permissions properties or least-privilege execution design where applicable.
  4. Assign a role with read rights and no unauthorized edit permissions to the relevant table data.

Explanation

Correct Answer

A:

The most direct corrective response is to trim permissions to the exact object set and operations required for business tasks. This addresses the specific failure where an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. Acceptance evidence is that the feature works while unrelated customer tables remain inaccessible.

Incorrect Answers

B:

“Model supported entitlements and application rights separately, testing their combined effect” supports the separate task “model supported entitlements and application rights separately, testing their combined effect”, not the reported problem: an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. This case instead calls for “trim permissions to the exact object set and operations required for business tasks”.

C:

“Use documented permissions properties or least-privilege execution design where applicable” concerns the separate step “use documented permissions properties or least-privilege execution design where applicable”. The reported issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects, so the direct response is to trim permissions to the exact object set and operations required for business tasks.

D:

“Assign a role with read rights and no unauthorized edit permissions to the relevant table data” concerns the alternative task “assign a role with read rights and no unauthorized edit permissions to the relevant table data”, but the stated failure is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. The required measure is to trim permissions to the exact object set and operations required for business tasks.

Question 314

At fictional Harborline Health Supply, the Business Central development team is supporting medical supply purchasing and reviewing object model and application extensibility during a tenant acceptance test (MB820-3.5-104). The observed development issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. Which recurring engineering check would best prevent this issue from returning?

  1. Run explicit negative authorization tests for sensitive operations.
  2. Audit effective permissions after role assignment changes.
  3. Compare effective role grants before each release.
  4. Run functional smoke tests with nonadmin users.

Explanation

Correct Answer

C:

The ongoing check is to compare effective role grants before each release. This helps detect recurrence when an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. The associated correction is to trim permissions to the exact object set and operations required for business tasks; a confirming result is that the feature works while unrelated customer tables remain inaccessible.

Incorrect Answers

A:

“Run explicit negative authorization tests for sensitive operations” supports the separate task “assign a role with read rights and no unauthorized edit permissions to the relevant table data”, not the reported problem: an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. This case instead calls for “Compare effective role grants before each release”.

B:

“Audit effective permissions after role assignment changes” concerns the separate step “inspect effective permissions and role composition, then remove or constrain excessive assignments”. The reported issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects, so the direct response is to compare effective role grants before each release.

D:

The proposed “Run functional smoke tests with nonadmin users” tests a different control: identify required object/table permissions and provide the narrowest supported permission set. The reported condition is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects; the more direct action is to compare effective role grants before each release.

Question 315

At fictional Harborline Health Supply, the Business Central development team is supporting medical supply purchasing and reviewing object model and application extensibility during a tenant acceptance test (MB820-3.5-104). The observed development issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. Which observed result would most clearly show the intended correction works?

  1. Read succeeds and an attempted unauthorized write is denied.
  2. The feature works while unrelated customer tables remain inaccessible.
  3. An unauthorized API call fails even when the UI action is hidden.
  4. The intended role can open the page and read only its authorized records.

Explanation

Correct Answer

B:

This is the outcome that directly verifies the intended correction: the feature works while unrelated customer tables remain inaccessible. The related solution is to trim permissions to the exact object set and operations required for business tasks; it is based on the principle that least privilege limits blast radius from extensibility flaws.

Incorrect Answers

A:

“Read succeeds and an attempted unauthorized write is denied” concerns the separate step “assign a role with read rights and no unauthorized edit permissions to the relevant table data”. The reported issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects, so the direct response is to the feature works while unrelated customer tables remain inaccessible.

C:

The proposed “An unauthorized API call fails even when the UI action is hidden” tests a different control: enforce access using resource-side permission sets and protected code paths. The reported condition is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects; the more direct action is to the feature works while unrelated customer tables remain inaccessible.

D:

“The intended role can open the page and read only its authorized records” supports the separate task “include appropriate page execution permissions and necessary underlying table-data rights”, not the reported problem: an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. This case instead calls for “The feature works while unrelated customer tables remain inaccessible”.

Question 316

At fictional Harborline Health Supply, the Business Central development team is supporting medical supply purchasing and reviewing object model and application extensibility during a tenant acceptance test (MB820-3.5-104). The observed development issue is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. Which Business Central or AL development principle best explains the right response?

  1. Object execution and data permissions are separate requirements.
  2. Entitlements and permission sets fulfill different access-control functions.
  3. Data model evolution often requires corresponding permission model updates.
  4. Least privilege limits blast radius from extensibility flaws.

Explanation

Correct Answer

D:

The governing principle is that least privilege limits blast radius from extensibility flaws. The engineering response is to trim permissions to the exact object set and operations required for business tasks. Verification should show that the feature works while unrelated customer tables remain inaccessible.

Incorrect Answers

A:

“Object execution and data permissions are separate requirements” concerns the alternative task “include appropriate page execution permissions and necessary underlying table-data rights”, but the stated failure is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. The required measure is to trim permissions to the exact object set and operations required for business tasks.

B:

The proposed “Entitlements and permission sets fulfill different access-control functions” tests a different control: model supported entitlements and application rights separately, testing their combined effect. The reported condition is that an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects; the more direct action is to trim permissions to the exact object set and operations required for business tasks.

C:

“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: an extension publisher includes a broad permissionset to avoid support tickets but the app needs only a few objects. This case instead calls for “trim permissions to the exact object set and operations required for business tasks”.

Question 317

At fictional Northbridge Transport, the Business Central development team is supporting route billing and inventory and reviewing AL business logic and user experience during a localization review (MB820-4.1-134). The observed development issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters. Which recurring engineering check would best prevent this issue from returning?

  1. Regression-test tours after page layout changes.
  2. Audit translation coverage of teaching tips and checklist text.
  3. Test the setup from a clean company environment.
  4. Include view switching in role-based usability tests.

Explanation

Correct Answer

D:

The ongoing check is to include view switching in role-based usability tests. This helps detect recurrence when a new record list has useful saved views but users cannot tell which view is active when switching filters. The associated correction is to name and configure supported views clearly and test switching behavior; a confirming result is that the chosen view's filter state is recognizable and yields the expected records.

Incorrect Answers

A:

The proposed “Regression-test tours after page layout changes” tests a different control: update the teaching tip or in-app tour anchors to current page controls. The reported condition is that a new record list has useful saved views but users cannot tell which view is active when switching filters; the more direct action is to include view switching in role-based usability tests.

B:

“Audit translation coverage of teaching tips and checklist text” supports the separate task “include user-assistance strings in the language resource review and translation workflow”, not the reported problem: a new record list has useful saved views but users cannot tell which view is active when switching filters. This case instead calls for “Include view switching in role-based usability tests”.

C:

“Test the setup from a clean company environment” concerns the separate step “use an assisted setup flow with ordered steps, validation and completion state”. The reported issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters, so the direct response is to include view switching in role-based usability tests.

Question 318

At fictional Northbridge Transport, the Business Central development team is supporting route billing and inventory and reviewing AL business logic and user experience during a localization review (MB820-4.1-134). The observed development issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters. Which AL development or design response most directly addresses this issue?

  1. Write clear supported tooltips and user assistance strings reflecting business meaning.
  2. Name and configure supported views clearly and test switching behavior.
  3. Include user-assistance strings in the language resource review and translation workflow.
  4. Use an assisted setup flow with ordered steps, validation and completion state.

Explanation

Correct Answer

B:

The most direct corrective response is to name and configure supported views clearly and test switching behavior. This addresses the specific failure where a new record list has useful saved views but users cannot tell which view is active when switching filters. Acceptance evidence is that the chosen view's filter state is recognizable and yields the expected records.

Incorrect Answers

A:

“Write clear supported tooltips and user assistance strings reflecting business meaning” supports the separate task “write clear supported tooltips and user assistance strings reflecting business meaning”, not the reported problem: a new record list has useful saved views but users cannot tell which view is active when switching filters. This case instead calls for “name and configure supported views clearly and test switching behavior”.

C:

“Include user-assistance strings in the language resource review and translation workflow” concerns the alternative task “include user-assistance strings in the language resource review and translation workflow”, but the stated failure is that a new record list has useful saved views but users cannot tell which view is active when switching filters. The required measure is to name and configure supported views clearly and test switching behavior.

D:

The proposed “Use an assisted setup flow with ordered steps, validation and completion state” tests a different control: use an assisted setup flow with ordered steps, validation and completion state. The reported condition is that a new record list has useful saved views but users cannot tell which view is active when switching filters; the more direct action is to name and configure supported views clearly and test switching behavior.

Question 319

At fictional Northbridge Transport, the Business Central development team is supporting route billing and inventory and reviewing AL business logic and user experience during a localization review (MB820-4.1-134). The observed development issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters. Which Business Central or AL development principle best explains the right response?

  1. UI views should make data selection predictable.
  2. Checklists make first-run activities visible and actionable.
  3. Views package reusable filter and sorting behavior for list experiences.
  4. Localization extends to onboarding content beyond standard fields.

Explanation

Correct Answer

A:

The governing principle is that uI views should make data selection predictable. The engineering response is to name and configure supported views clearly and test switching behavior. Verification should show that the chosen view's filter state is recognizable and yields the expected records.

Incorrect Answers

B:

“Checklists make first-run activities visible and actionable” concerns the alternative task “create an onboarding checklist with required tasks and suitable launch destinations”, but the stated failure is that a new record list has useful saved views but users cannot tell which view is active when switching filters. The required measure is to name and configure supported views clearly and test switching behavior.

C:

The proposed “Views package reusable filter and sorting behavior for list experiences” tests a different control: provide a suitable list view or supported view customization for the role. The reported condition is that a new record list has useful saved views but users cannot tell which view is active when switching filters; the more direct action is to name and configure supported views clearly and test switching behavior.

D:

“Localization extends to onboarding content beyond standard fields” supports the separate task “include user-assistance strings in the language resource review and translation workflow”, not the reported problem: a new record list has useful saved views but users cannot tell which view is active when switching filters. This case instead calls for “name and configure supported views clearly and test switching behavior”.

Question 320

At fictional Northbridge Transport, the Business Central development team is supporting route billing and inventory and reviewing AL business logic and user experience during a localization review (MB820-4.1-134). The observed development issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters. Which observed result would most clearly show the intended correction works?

  1. The selected client language shows both translated UI labels and setup guidance.
  2. The chosen view's filter state is recognizable and yields the expected records.
  3. A new tenant can configure prerequisites in a supported sequence.
  4. The role can identify incomplete setup work and reach each step.

Explanation

Correct Answer

B:

This is the outcome that directly verifies the intended correction: the chosen view's filter state is recognizable and yields the expected records. The related solution is to name and configure supported views clearly and test switching behavior; it is based on the principle that uI views should make data selection predictable.

Incorrect Answers

A:

“The selected client language shows both translated UI labels and setup guidance” concerns the alternative task “include user-assistance strings in the language resource review and translation workflow”, but the stated failure is that a new record list has useful saved views but users cannot tell which view is active when switching filters. The required measure is to the chosen view's filter state is recognizable and yields the expected records.

C:

“A new tenant can configure prerequisites in a supported sequence” supports the separate task “use an assisted setup flow with ordered steps, validation and completion state”, not the reported problem: a new record list has useful saved views but users cannot tell which view is active when switching filters. This case instead calls for “The chosen view's filter state is recognizable and yields the expected records”.

D:

“The role can identify incomplete setup work and reach each step” concerns the separate step “create an onboarding checklist with required tasks and suitable launch destinations”. The reported issue is that a new record list has useful saved views but users cannot tell which view is active when switching filters, so the direct response is to the chosen view's filter state is recognizable and yields the expected records.