McAfee Secure

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

Microsoft MB-820 Bundle $19.99

100% Microsoft MB-820 Guaranteed Success With Testking Training Materials

Get Real MB-820 Exam Questions & Expert Verified Answers as Experienced on the Real Exam!

  • Questions & Answers

    MB-820 Questions & Answers

    131 Questions & Answers

    The ultimate exam preparation tool, Questions & Answers mirrors the actual MB-820 exam while allowing you to hone and measure every aspect of your test-taking ability.

  • Study Guide

    MB-820 Study Guide

    948 PDF Pages

    Developed by industry experts, this 948-page guide spells out in painstaking detail all of the information you need to ace MB-820 exam.

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

Satisfaction Guaranteed

Money Back Guarantee

Testking provides hassle-free money back guarantee with our products. That is because we have 100% trust in the abilities of our professional and experience product team, and our record is a proof of that.

99.6% PASS RATE
Total Cost: $154.98
Bundle Price: $134.99

Purchase Individually

  • Questions & Answers

    Questions & Answers

    131 Questions

    $124.99
  • Study Guide

    Study Guide

    948 PDF Pages

    $29.99

Microsoft MB-820 Practice Test 6

Question 50

At fictional Orchard Agriculture, the Business Central development team is supporting farm supplier procurement and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.1-061). The observed development issue is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. Which Business Central or AL development principle best explains the right response?

  1. Extension objects modify existing behavior without editing Microsoft-owned object definitions.
  2. Structured reference values improve consistency and validation.
  3. Role Centers serve role-specific navigation rather than primary record editing.
  4. Calculated fields derive values from data rather than storing independent copies.

Explanation

Correct Answer

C:

The governing principle is that role Centers serve role-specific navigation rather than primary record editing. The engineering response is to implement or extend an appropriate Role Center page/profile with relevant activities and actions. Verification should show that the selected user role opens a workspace with approved cues and navigation.

Incorrect Answers

A:

“Extension objects modify existing behavior without editing Microsoft-owned object definitions” supports the separate task “create a tableextension to add the field and a pageextension to surface it on the customer page”, not the reported problem: a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. This case instead calls for “implement or extend an appropriate Role Center page/profile with relevant activities and actions”.

B:

“Structured reference values improve consistency and validation” concerns the separate step “model categories with a supported enum or related lookup table appropriate to extensibility requirements”. The reported issue is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields, so the direct response is to implement or extend an appropriate Role Center page/profile with relevant activities and actions.

D:

The proposed “Calculated fields derive values from data rather than storing independent copies” tests a different control: define an appropriate FlowField with a CalcFormula and use CalcFields where required. The reported condition is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields; the more direct action is to implement or extend an appropriate Role Center page/profile with relevant activities and actions.

Question 51

At fictional Orchard Agriculture, the Business Central development team is supporting farm supplier procurement and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.1-061). The observed development issue is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. Which observed result would most clearly show the intended correction works?

  1. The page displays only the targeted region's records without changing stored data.
  2. The selected user role opens a workspace with approved cues and navigation.
  3. New records accept controlled category values without arbitrary unsupported strings.
  4. The standard Customer table remains intact and the field is visible after extension installation.

Explanation

Correct Answer

B:

This is the outcome that directly verifies the intended correction: the selected user role opens a workspace with approved cues and navigation. The related solution is to implement or extend an appropriate Role Center page/profile with relevant activities and actions; it is based on the principle that role Centers serve role-specific navigation rather than primary record editing.

Incorrect Answers

A:

“The page displays only the targeted region's records without changing stored data” concerns the separate step “use a List page with the correct SourceTable and supported filtering and view configuration”. The reported issue is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields, so the direct response is to the selected user role opens a workspace with approved cues and navigation.

C:

The proposed “New records accept controlled category values without arbitrary unsupported strings” tests a different control: model categories with a supported enum or related lookup table appropriate to extensibility requirements. The reported condition is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields; the more direct action is to the selected user role opens a workspace with approved cues and navigation.

D:

“The standard Customer table remains intact and the field is visible after extension installation” supports the separate task “create a tableextension to add the field and a pageextension to surface it on the customer page”, not the reported problem: a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. This case instead calls for “The selected user role opens a workspace with approved cues and navigation”.

Question 52

At fictional Orchard Agriculture, the Business Central development team is supporting farm supplier procurement and reviewing object model and application extensibility during a troubleshooting exercise (MB820-3.1-061). The observed development issue is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. Which recurring engineering check would best prevent this issue from returning?

  1. Regression-test existing page actions after extension merge.
  2. Review allowed values when business taxonomy changes.
  3. Audit actions exposed through nonediting views.
  4. Review role-specific navigation after adding new extensions.

Explanation

Correct Answer

D:

The ongoing check is to review role-specific navigation after adding new extensions. This helps detect recurrence when a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. The associated correction is to implement or extend an appropriate Role Center page/profile with relevant activities and actions; a confirming result is that the selected user role opens a workspace with approved cues and navigation.

Incorrect Answers

A:

“Regression-test existing page actions after extension merge” concerns the alternative task “use pageextension action modifications at a suitable existing placement”, but the stated failure is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. The required measure is to review role-specific navigation after adding new extensions.

B:

The proposed “Review allowed values when business taxonomy changes” tests a different control: model categories with a supported enum or related lookup table appropriate to extensibility requirements. The reported condition is that a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields; the more direct action is to review role-specific navigation after adding new extensions.

C:

“Audit actions exposed through nonediting views” supports the separate task “separate list/read-only presentation from interactive document editing pages using supported page types”, not the reported problem: a customer asks for a maintenance workspace with a compact set of actions and cues rather than ordinary record fields. This case instead calls for “Review role-specific navigation after adding new extensions”.

Question 53

At fictional Elmbridge Logistics, the Business Central development team is supporting warehouse shipment scheduling and reviewing external-service integration during a tenant acceptance test (MB820-6.1-183). The observed development issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. Which Business Central or AL development principle best explains the right response?

  1. Rate limiting and idempotent retries are integration reliability concerns.
  2. External service latency must not create unbounded transactional dependency.
  3. Service integration should use published APIs across trust boundaries.
  4. JSON object and array types are distinct structural contracts.

Explanation

Correct Answer

D:

The governing principle is that jSON object and array types are distinct structural contracts. The engineering response is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs. Verification should show that all shipment entries are parsed without truncation or runtime conversion errors.

Incorrect Answers

A:

The proposed “Rate limiting and idempotent retries are integration reliability concerns” tests a different control: implement bounded retries honoring appropriate rate-limit signals and business operation idempotency. The reported condition is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments; the more direct action is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs.

B:

“External service latency must not create unbounded transactional dependency” supports the separate task “set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed”, not the reported problem: an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. This case instead calls for “inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs”.

C:

“Service integration should use published APIs across trust boundaries” concerns the separate step “use AL HttpClient/HttpRequestMessage to invoke the authorized REST endpoint and parse its response”. The reported issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments, so the direct response is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs.

Question 54

At fictional Elmbridge Logistics, the Business Central development team is supporting warehouse shipment scheduling and reviewing external-service integration during a tenant acceptance test (MB820-6.1-183). The observed development issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. Which observed result would most clearly show the intended correction works?

  1. A simulated timeout returns control without committing an unsupported external result.
  2. The partner accepts a correctly formatted request and returns the expected schema.
  3. The quote is retrieved through the service contract without direct database access.
  4. All shipment entries are parsed without truncation or runtime conversion errors.

Explanation

Correct Answer

D:

This is the outcome that directly verifies the intended correction: all shipment entries are parsed without truncation or runtime conversion errors. The related solution is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs; it is based on the principle that jSON object and array types are distinct structural contracts.

Incorrect Answers

A:

“A simulated timeout returns control without committing an unsupported external result” supports the separate task “set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed”, not the reported problem: an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. This case instead calls for “All shipment entries are parsed without truncation or runtime conversion errors”.

B:

“The partner accepts a correctly formatted request and returns the expected schema” concerns the separate step “build a JsonObject/JsonToken payload and set the appropriate content headers”. The reported issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments, so the direct response is to all shipment entries are parsed without truncation or runtime conversion errors.

C:

“The quote is retrieved through the service contract without direct database access” concerns the alternative task “use AL HttpClient/HttpRequestMessage to invoke the authorized REST endpoint and parse its response”, but the stated failure is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. The required measure is to all shipment entries are parsed without truncation or runtime conversion errors.

Question 55

At fictional Elmbridge Logistics, the Business Central development team is supporting warehouse shipment scheduling and reviewing external-service integration during a tenant acceptance test (MB820-6.1-183). The observed development issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. Which AL development or design response most directly addresses this issue?

  1. Use supported secret storage or secure authorization flow rather than embedding the token in source.
  2. Inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs.
  3. Build a JsonObject/JsonToken payload and set the appropriate content headers.
  4. Set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed.

Explanation

Correct Answer

B:

The most direct corrective response is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs. This addresses the specific failure where an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. Acceptance evidence is that all shipment entries are parsed without truncation or runtime conversion errors.

Incorrect Answers

A:

“Use supported secret storage or secure authorization flow rather than embedding the token in source” concerns the separate step “use supported secret storage or secure authorization flow rather than embedding the token in source”. The reported issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments, so the direct response is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs.

C:

The proposed “Build a JsonObject/JsonToken payload and set the appropriate content headers” tests a different control: build a JsonObject/JsonToken payload and set the appropriate content headers. The reported condition is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments; the more direct action is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs.

D:

“Set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed” supports the separate task “set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed”, not the reported problem: an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. This case instead calls for “inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs”.

Question 56

At fictional Elmbridge Logistics, the Business Central development team is supporting warehouse shipment scheduling and reviewing external-service integration during a tenant acceptance test (MB820-6.1-183). The observed development issue is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. Which recurring engineering check would best prevent this issue from returning?

  1. Test timeouts and authorization failures for external calls.
  2. Test timeouts and circuit-breaker behavior on critical workflows.
  3. Run JSON contract tests against staging service examples.
  4. Include arrays with zero, one and many items in regression tests.

Explanation

Correct Answer

D:

The ongoing check is to include arrays with zero, one and many items in regression tests. This helps detect recurrence when an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. The associated correction is to inspect JSON token types and iterate JsonArray elements using supported AL JSON APIs; a confirming result is that all shipment entries are parsed without truncation or runtime conversion errors.

Incorrect Answers

A:

“Test timeouts and authorization failures for external calls” concerns the alternative task “use AL HttpClient/HttpRequestMessage to invoke the authorized REST endpoint and parse its response”, but the stated failure is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. The required measure is to include arrays with zero, one and many items in regression tests.

B:

The proposed “Test timeouts and circuit-breaker behavior on critical workflows” tests a different control: set an appropriate request timeout and implement a bounded failure path or asynchronous design where needed. The reported condition is that an extension reads a JSON array as an object and fails when a supplier returns multiple shipments; the more direct action is to include arrays with zero, one and many items in regression tests.

C:

“Run JSON contract tests against staging service examples” supports the separate task “build a JsonObject/JsonToken payload and set the appropriate content headers”, not the reported problem: an extension reads a JSON array as an object and fails when a supplier returns multiple shipments. This case instead calls for “Include arrays with zero, one and many items in regression tests”.

Question 57

At fictional Evergreen Print, the Business Central development team is supporting print production scheduling and reviewing object model and application extensibility during an extension maintenance sprint (MB820-3.1-054). The observed development issue is that an application stores stable product categories as free text and receives inconsistent category spellings. Which observed result would most clearly show the intended correction works?

  1. New records accept controlled category values without arbitrary unsupported strings.
  2. The selected user role opens a workspace with approved cues and navigation.
  3. The page displays only the targeted region's records without changing stored data.
  4. The UI supports header navigation and related line entry using the intended structure.

Explanation

Correct Answer

A:

This is the outcome that directly verifies the intended correction: new records accept controlled category values without arbitrary unsupported strings. The related solution is to model categories with a supported enum or related lookup table appropriate to extensibility requirements; it is based on the principle that structured reference values improve consistency and validation.

Incorrect Answers

B:

“The selected user role opens a workspace with approved cues and navigation” supports the separate task “implement or extend an appropriate Role Center page/profile with relevant activities and actions”, not the reported problem: an application stores stable product categories as free text and receives inconsistent category spellings. This case instead calls for “New records accept controlled category values without arbitrary unsupported strings”.

C:

“The page displays only the targeted region's records without changing stored data” concerns the separate step “use a List page with the correct SourceTable and supported filtering and view configuration”. The reported issue is that an application stores stable product categories as free text and receives inconsistent category spellings, so the direct response is to new records accept controlled category values without arbitrary unsupported strings.

D:

“The UI supports header navigation and related line entry using the intended structure” concerns the alternative task “select the proper Document page pattern and related subpage for line data”, but the stated failure is that an application stores stable product categories as free text and receives inconsistent category spellings. The required measure is to new records accept controlled category values without arbitrary unsupported strings.

Question 58

At fictional Evergreen Print, the Business Central development team is supporting print production scheduling and reviewing object model and application extensibility during an extension maintenance sprint (MB820-3.1-054). The observed development issue is that an application stores stable product categories as free text and receives inconsistent category spellings. Which recurring engineering check would best prevent this issue from returning?

  1. Audit actions exposed through nonediting views.
  2. Validate extension merge and field display after base application upgrades.
  3. Review allowed values when business taxonomy changes.
  4. Check page types during UI architecture review.

Explanation

Correct Answer

C:

The ongoing check is to review allowed values when business taxonomy changes. This helps detect recurrence when an application stores stable product categories as free text and receives inconsistent category spellings. The associated correction is to model categories with a supported enum or related lookup table appropriate to extensibility requirements; a confirming result is that new records accept controlled category values without arbitrary unsupported strings.

Incorrect Answers

A:

“Audit actions exposed through nonediting views” supports the separate task “separate list/read-only presentation from interactive document editing pages using supported page types”, not the reported problem: an application stores stable product categories as free text and receives inconsistent category spellings. This case instead calls for “Review allowed values when business taxonomy changes”.

B:

“Validate extension merge and field display after base application upgrades” concerns the separate step “create a tableextension to add the field and a pageextension to surface it on the customer page”. The reported issue is that an application stores stable product categories as free text and receives inconsistent category spellings, so the direct response is to review allowed values when business taxonomy changes.

D:

The proposed “Check page types during UI architecture review” tests a different control: use a Card page bound to the record and organize fields into logical groups. The reported condition is that an application stores stable product categories as free text and receives inconsistent category spellings; the more direct action is to review allowed values when business taxonomy changes.

Question 59

At fictional Evergreen Print, the Business Central development team is supporting print production scheduling and reviewing object model and application extensibility during an extension maintenance sprint (MB820-3.1-054). The observed development issue is that an application stores stable product categories as free text and receives inconsistent category spellings. Which Business Central or AL development principle best explains the right response?

  1. Data model design includes privacy metadata as well as type and length.
  2. Page extensions enhance specific UI surfaces and must consider visibility controls.
  3. Calculated fields derive values from data rather than storing independent copies.
  4. Structured reference values improve consistency and validation.

Explanation

Correct Answer

D:

The governing principle is that structured reference values improve consistency and validation. The engineering response is to model categories with a supported enum or related lookup table appropriate to extensibility requirements. Verification should show that new records accept controlled category values without arbitrary unsupported strings.

Incorrect Answers

A:

“Data model design includes privacy metadata as well as type and length” concerns the separate step “set appropriate DataClassification properties on table fields and review their privacy meaning”. The reported issue is that an application stores stable product categories as free text and receives inconsistent category spellings, so the direct response is to model categories with a supported enum or related lookup table appropriate to extensibility requirements.

B:

“Page extensions enhance specific UI surfaces and must consider visibility controls” concerns the alternative task “add the field in the appropriate pageextension layout section and verify ApplicationArea and permissions”, but the stated failure is that an application stores stable product categories as free text and receives inconsistent category spellings. The required measure is to model categories with a supported enum or related lookup table appropriate to extensibility requirements.

C:

The proposed “Calculated fields derive values from data rather than storing independent copies” tests a different control: define an appropriate FlowField with a CalcFormula and use CalcFields where required. The reported condition is that an application stores stable product categories as free text and receives inconsistent category spellings; the more direct action is to model categories with a supported enum or related lookup table appropriate to extensibility requirements.

Question 60

At fictional Evergreen Print, the Business Central development team is supporting print production scheduling and reviewing object model and application extensibility during an extension maintenance sprint (MB820-3.1-054). The observed development issue is that an application stores stable product categories as free text and receives inconsistent category spellings. Which AL development or design response most directly addresses this issue?

  1. Model categories with a supported enum or related lookup table appropriate to extensibility requirements.
  2. Use a compatible field design and controlled initialization that respects existing rows.
  3. Use pageextension action modifications at a suitable existing placement.
  4. Create a tableextension to add the field and a pageextension to surface it on the customer page.

Explanation

Correct Answer

A:

The most direct corrective response is to model categories with a supported enum or related lookup table appropriate to extensibility requirements. This addresses the specific failure where an application stores stable product categories as free text and receives inconsistent category spellings. Acceptance evidence is that new records accept controlled category values without arbitrary unsupported strings.

Incorrect Answers

B:

The proposed “Use a compatible field design and controlled initialization that respects existing rows” tests a different control: use a compatible field design and controlled initialization that respects existing rows. The reported condition is that an application stores stable product categories as free text and receives inconsistent category spellings; the more direct action is to model categories with a supported enum or related lookup table appropriate to extensibility requirements.

C:

“Use pageextension action modifications at a suitable existing placement” supports the separate task “use pageextension action modifications at a suitable existing placement”, not the reported problem: an application stores stable product categories as free text and receives inconsistent category spellings. This case instead calls for “model categories with a supported enum or related lookup table appropriate to extensibility requirements”.

D:

“Create a tableextension to add the field and a pageextension to surface it on the customer page” concerns the separate step “create a tableextension to add the field and a pageextension to surface it on the customer page”. The reported issue is that an application stores stable product categories as free text and receives inconsistent category spellings, so the direct response is to model categories with a supported enum or related lookup table appropriate to extensibility requirements.