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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 13

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.

Question 121

At fictional Fairview Commerce, the Business Central development team is supporting online sales processing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-073). The observed development issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. Which recurring engineering check would best prevent this issue from returning?

  1. Test reports with multiple documents and line counts.
  2. Review cross-company access before enabling consolidated reporting.
  3. Reconcile spreadsheet exports with the same report criteria.
  4. Test transaction behavior and error recovery on batch runs.

Explanation

Correct Answer

C:

The ongoing check is to reconcile spreadsheet exports with the same report criteria. This helps detect recurrence when a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. The associated correction is to select the supported report output or layout capability appropriate for the intended Excel workflow; a confirming result is that users receive correctly structured spreadsheet output that agrees with report totals.

Incorrect Answers

A:

The proposed “Test reports with multiple documents and line counts” tests a different control: create a report dataset with appropriate header and line dataitems and related links. The reported condition is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF; the more direct action is to reconcile spreadsheet exports with the same report criteria.

B:

“Review cross-company access before enabling consolidated reporting” supports the separate task “make the company scope explicit and use supported authorized company access mechanisms”, not the reported problem: a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. This case instead calls for “Reconcile spreadsheet exports with the same report criteria”.

D:

“Test transaction behavior and error recovery on batch runs” concerns the alternative task “use a ProcessingOnly report or suitable codeunit for the batch operation”, but the stated failure is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. The required measure is to reconcile spreadsheet exports with the same report criteria.

Question 122

At fictional Fairview Commerce, the Business Central development team is supporting online sales processing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-073). The observed development issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. Which observed result would most clearly show the intended correction works?

  1. Users receive correctly structured spreadsheet output that agrees with report totals.
  2. Unauthorized roles cannot access the protected report content.
  3. The report displays populated fields again after the upgrade.
  4. The customized output works while base report fixes remain independently serviceable.

Explanation

Correct Answer

A:

This is the outcome that directly verifies the intended correction: users receive correctly structured spreadsheet output that agrees with report totals. The related solution is to select the supported report output or layout capability appropriate for the intended Excel workflow; it is based on the principle that output format choice affects report usability and review.

Incorrect Answers

B:

“Unauthorized roles cannot access the protected report content” concerns the separate step “apply appropriate report access controls and design minimized datasets or output views”. The reported issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF, so the direct response is to users receive correctly structured spreadsheet output that agrees with report totals.

C:

“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 process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. The required measure is to users receive correctly structured spreadsheet output that agrees with report totals.

D:

The proposed “The customized output works while base report fixes remain independently serviceable” tests a different control: use reportextension capabilities or supported layout substitution hooks rather than copying the original report as an unmanaged fork. The reported condition is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF; the more direct action is to users receive correctly structured spreadsheet output that agrees with report totals.

Question 123

At fictional Fairview Commerce, the Business Central development team is supporting online sales processing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-073). The observed development issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. Which Business Central or AL development principle best explains the right response?

  1. Processing-only reports serve batch procedures rather than printable layouts.
  2. Output format choice affects report usability and review.
  3. Report presentation does not override data authorization boundaries.
  4. Report data and visual layout are separate design concerns.

Explanation

Correct Answer

B:

The governing principle is that output format choice affects report usability and review. The engineering response is to select the supported report output or layout capability appropriate for the intended Excel workflow. Verification should show that users receive correctly structured spreadsheet output that agrees with report totals.

Incorrect Answers

A:

“Processing-only reports serve batch procedures rather than printable layouts” concerns the separate step “use a ProcessingOnly report or suitable codeunit for the batch operation”. The reported issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF, so the direct response is to select the supported report output or layout capability appropriate for the intended Excel workflow.

C:

The proposed “Report presentation does not override data authorization boundaries” tests a different control: apply appropriate report access controls and design minimized datasets or output views. The reported condition is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF; the more direct action is to select the supported report output or layout capability appropriate for the intended Excel workflow.

D:

“Report data and visual layout are separate design concerns” supports the separate task “keep dataset definitions separate from supported report layout updates or extensions”, not the reported problem: a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. This case instead calls for “select the supported report output or layout capability appropriate for the intended Excel workflow”.

Question 124

At fictional Fairview Commerce, the Business Central development team is supporting online sales processing and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.2-073). The observed development issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. Which AL development or design response most directly addresses this issue?

  1. Select the supported report output or layout capability appropriate for the intended Excel workflow.
  2. Keep dataset definitions separate from supported report layout updates or extensions.
  3. Adjust the parent/child dataitems, grouping and iteration behavior in the report model.
  4. Add a report request page exposing the supported filters and options.

Explanation

Correct Answer

A:

The most direct corrective response is to select the supported report output or layout capability appropriate for the intended Excel workflow. This addresses the specific failure where a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. Acceptance evidence is that users receive correctly structured spreadsheet output that agrees with report totals.

Incorrect Answers

B:

The proposed “Keep dataset definitions separate from supported report layout updates or extensions” tests a different control: keep dataset definitions separate from supported report layout updates or extensions. The reported condition is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF; the more direct action is to select the supported report output or layout capability appropriate for the intended Excel workflow.

C:

“Adjust the parent/child dataitems, grouping and iteration behavior in the report model” supports the separate task “adjust the parent/child dataitems, grouping and iteration behavior in the report model”, not the reported problem: a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF. This case instead calls for “select the supported report output or layout capability appropriate for the intended Excel workflow”.

D:

“Add a report request page exposing the supported filters and options” concerns the separate step “add a report request page exposing the supported filters and options”. The reported issue is that a process requires exporting a report dataset to Excel for finance reconciliation rather than printing a PDF, so the direct response is to select the supported report output or layout capability appropriate for the intended Excel workflow.

Question 125

At fictional Granite Telecom, the Business Central development team is supporting field equipment billing and reviewing solution architecture design during a code quality review (MB820-1.1-004). The observed development issue is that a new project treats the Business Central client as a standalone local database application. Which observed result would most clearly show the intended correction works?

  1. The customization is deployed as an app without overwriting Microsoft's application objects.
  2. Architecture diagrams correctly locate server-side business logic and authoritative records.
  3. The tested solution uses the documented connector or API rather than assuming direct table ownership of external data.
  4. The release plan distinguishes Microsoft-managed platform updates from customer-managed extension releases.

Explanation

Correct Answer

B:

This is the outcome that directly verifies the intended correction: architecture diagrams correctly locate server-side business logic and authoritative records. The related solution is to document how the browser client, service tier, AL extensions and managed data platform participate in operations; it is based on the principle that client presentation and application execution have distinct responsibilities.

Incorrect Answers

A:

The proposed “The customization is deployed as an app without overwriting Microsoft's application objects” tests a different control: design a separate AL extension that adds the required fields and logic through supported extensibility points. The reported condition is that a new project treats the Business Central client as a standalone local database application; the more direct action is to architecture diagrams correctly locate server-side business logic and authoritative records.

C:

“The tested solution uses the documented connector or API rather than assuming direct table ownership of external data” concerns the separate step “select supported Business Central capabilities and explicit service integrations for Microsoft 365 workflows”. The reported issue is that a new project treats the Business Central client as a standalone local database application, so the direct response is to architecture diagrams correctly locate server-side business logic and authoritative records.

D:

“The release plan distinguishes Microsoft-managed platform updates from customer-managed extension releases” concerns the alternative task “assign extension code ownership and compatibility testing to the publisher while Microsoft maintains the online platform”, but the stated failure is that a new project treats the Business Central client as a standalone local database application. The required measure is to architecture diagrams correctly locate server-side business logic and authoritative records.

Question 126

At fictional Granite Telecom, the Business Central development team is supporting field equipment billing and reviewing solution architecture design during a code quality review (MB820-1.1-004). The observed development issue is that a new project treats the Business Central client as a standalone local database application. Which recurring engineering check would best prevent this issue from returning?

  1. Validate client and service assumptions in the solution architecture review.
  2. Check app dependencies during every automated build and upgrade.
  3. Run online target and analyzer checks before accepting a technical design.
  4. Regression-test critical integrations before major environment upgrades.

Explanation

Correct Answer

A:

The ongoing check is to validate client and service assumptions in the solution architecture review. This helps detect recurrence when a new project treats the Business Central client as a standalone local database application. The associated correction is to document how the browser client, service tier, AL extensions and managed data platform participate in operations; a confirming result is that architecture diagrams correctly locate server-side business logic and authoritative records.

Incorrect Answers

B:

“Check app dependencies during every automated build and upgrade” concerns the separate step “separate independently maintained capabilities into versioned extension apps with explicit dependencies”. The reported issue is that a new project treats the Business Central client as a standalone local database application, so the direct response is to validate client and service assumptions in the solution architecture review.

C:

“Run online target and analyzer checks before accepting a technical design” concerns the alternative task “replace the server-specific .NET dependency with supported AL or external service integration appropriate to cloud execution”, but the stated failure is that a new project treats the Business Central client as a standalone local database application. The required measure is to validate client and service assumptions in the solution architecture review.

D:

The proposed “Regression-test critical integrations before major environment upgrades” tests a different control: track the platform release cycle and qualify extension versions against available compatibility signals. The reported condition is that a new project treats the Business Central client as a standalone local database application; the more direct action is to validate client and service assumptions in the solution architecture review.

Question 127

At fictional Granite Telecom, the Business Central development team is supporting field equipment billing and reviewing solution architecture design during a code quality review (MB820-1.1-004). The observed development issue is that a new project treats the Business Central client as a standalone local database application. Which Business Central or AL development principle best explains the right response?

  1. Client presentation and application execution have distinct responsibilities.
  2. Extension lifecycle planning must consider both publisher and platform version changes.
  3. The System Application and Base Application serve different architectural responsibilities.
  4. SaaS servicing does not transfer responsibility for third-party app quality.

Explanation

Correct Answer

A:

The governing principle is that client presentation and application execution have distinct responsibilities. The engineering response is to document how the browser client, service tier, AL extensions and managed data platform participate in operations. Verification should show that architecture diagrams correctly locate server-side business logic and authoritative records.

Incorrect Answers

B:

“Extension lifecycle planning must consider both publisher and platform version changes” concerns the alternative task “track the platform release cycle and qualify extension versions against available compatibility signals”, but the stated failure is that a new project treats the Business Central client as a standalone local database application. The required measure is to document how the browser client, service tier, AL extensions and managed data platform participate in operations.

C:

The proposed “The System Application and Base Application serve different architectural responsibilities” tests a different control: use the System Application APIs for reusable system capabilities and extend the Base Application for business processes. The reported condition is that a new project treats the Business Central client as a standalone local database application; the more direct action is to document how the browser client, service tier, AL extensions and managed data platform participate in operations.

D:

“SaaS servicing does not transfer responsibility for third-party app quality” supports the separate task “assign extension code ownership and compatibility testing to the publisher while Microsoft maintains the online platform”, not the reported problem: a new project treats the Business Central client as a standalone local database application. This case instead calls for “document how the browser client, service tier, AL extensions and managed data platform participate in operations”.

Question 128

At fictional Granite Telecom, the Business Central development team is supporting field equipment billing and reviewing solution architecture design during a code quality review (MB820-1.1-004). The observed development issue is that a new project treats the Business Central client as a standalone local database application. Which AL development or design response most directly addresses this issue?

  1. Use the System Application APIs for reusable system capabilities and extend the Base Application for business processes.
  2. Document how the browser client, service tier, AL extensions and managed data platform participate in operations.
  3. Track the platform release cycle and qualify extension versions against available compatibility signals.
  4. Design a separate AL extension that adds the required fields and logic through supported extensibility points.

Explanation

Correct Answer

B:

The most direct corrective response is to document how the browser client, service tier, AL extensions and managed data platform participate in operations. This addresses the specific failure where a new project treats the Business Central client as a standalone local database application. Acceptance evidence is that architecture diagrams correctly locate server-side business logic and authoritative records.

Incorrect Answers

A:

“Use the System Application APIs for reusable system capabilities and extend the Base Application for business processes” concerns the alternative task “use the System Application APIs for reusable system capabilities and extend the Base Application for business processes”, but the stated failure is that a new project treats the Business Central client as a standalone local database application. The required measure is to document how the browser client, service tier, AL extensions and managed data platform participate in operations.

C:

“Track the platform release cycle and qualify extension versions against available compatibility signals” supports the separate task “track the platform release cycle and qualify extension versions against available compatibility signals”, not the reported problem: a new project treats the Business Central client as a standalone local database application. This case instead calls for “document how the browser client, service tier, AL extensions and managed data platform participate in operations”.

D:

“Design a separate AL extension that adds the required fields and logic through supported extensibility points” concerns the separate step “design a separate AL extension that adds the required fields and logic through supported extensibility points”. The reported issue is that a new project treats the Business Central client as a standalone local database application, so the direct response is to document how the browser client, service tier, AL extensions and managed data platform participate in operations.

Question 129

At fictional Trinity Trading, the Business Central development team is supporting cross-border purchasing and reviewing AL business logic and user experience during a code quality review (MB820-4.2-139). The observed development issue is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields. Which Business Central or AL development principle best explains the right response?

  1. Financial posting is a controlled process rather than arbitrary table updates.
  2. Numbering conventions are part of record integrity and auditability.
  3. Master-data identity should not depend on mutable display labels.
  4. Normalized relationships model one-to-many master data correctly.

Explanation

Correct Answer

D:

The governing principle is that normalized relationships model one-to-many master data correctly. The engineering response is to represent repeating related records with an appropriate child table and explicit relationship. Verification should show that a customer may have multiple addresses without overwriting unrelated entries.

Incorrect Answers

A:

The proposed “Financial posting is a controlled process rather than arbitrary table updates” tests a different control: use supported posting codeunits and integration events to preserve core business invariants. The reported condition is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields; the more direct action is to represent repeating related records with an appropriate child table and explicit relationship.

B:

“Numbering conventions are part of record integrity and auditability” supports the separate task “use supported numbering and posting design patterns for document identifiers”, not the reported problem: a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields. This case instead calls for “represent repeating related records with an appropriate child table and explicit relationship”.

C:

“Master-data identity should not depend on mutable display labels” concerns the separate step “use stable vendor identifiers and defined match/merge rules for master data”. The reported issue is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields, so the direct response is to represent repeating related records with an appropriate child table and explicit relationship.

Question 130

At fictional Trinity Trading, the Business Central development team is supporting cross-border purchasing and reviewing AL business logic and user experience during a code quality review (MB820-4.2-139). The observed development issue is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields. Which observed result would most clearly show the intended correction works?

  1. Posted transactions update related entries and balances consistently.
  2. Multiple order lines retain identity, quantities and document-level relationships.
  3. Repeated imports identify existing vendors rather than multiplying records.
  4. A customer may have multiple addresses without overwriting unrelated entries.

Explanation

Correct Answer

D:

This is the outcome that directly verifies the intended correction: a customer may have multiple addresses without overwriting unrelated entries. The related solution is to represent repeating related records with an appropriate child table and explicit relationship; it is based on the principle that normalized relationships model one-to-many master data correctly.

Incorrect Answers

A:

“Posted transactions update related entries and balances consistently” supports the separate task “use supported posting codeunits and integration events to preserve core business invariants”, not the reported problem: a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields. This case instead calls for “A customer may have multiple addresses without overwriting unrelated entries”.

B:

“Multiple order lines retain identity, quantities and document-level relationships” concerns the separate step “use document header and line table patterns with proper linked records”. The reported issue is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields, so the direct response is to a customer may have multiple addresses without overwriting unrelated entries.

C:

“Repeated imports identify existing vendors rather than multiplying records” concerns the alternative task “use stable vendor identifiers and defined match/merge rules for master data”, but the stated failure is that a table stores multiple unrelated customer shipping addresses in repeated address1/address2 fields. The required measure is to a customer may have multiple addresses without overwriting unrelated entries.