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Exam Code: PL-400

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Corresponding Certification: Microsoft Certified: Power Platform Developer Associate

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Microsoft PL-400 Practice Test 65

Question 640

At Brookside Manufacturing, the plant software team is implementing a work-order system upgrade under requirements for planned downtime and production traceability. The team says the following incident was fixed: A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. Which result BEST proves the intended fix is effective?

  1. An invalid sender is rejected and an authorized Dataverse notification is accepted over an encrypted channel.
  2. Replaying an older message cannot reverse the most recently committed status.
  3. A rolled-back test change emits no committed business notification while a successful change does.
  4. An approved record event reaches the new queue and no requests appear on the old namespace.

Explanation

Correct Answer

A:

An invalid sender is rejected and an authorized Dataverse notification is accepted over an encrypted channel. This directly tests whether the reported failure has been corrected: A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The intended action was Configure supported endpoint authentication, transport security and receiver-side verification. The observed Brookside Manufacturing outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

B:

Replaying an older message cannot reverse the most recently committed status. Such evidence would validate a different change: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. It follows the separate remedy Design version-aware, idempotent event processing and reconcile against authoritative record state. The Brookside Manufacturing scenario instead reports A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The decisive observation must be: An invalid sender is rejected and an authorized Dataverse notification is accepted over an encrypted channel.

C:

A rolled-back test change emits no committed business notification while a successful change does. Such evidence would validate a different change: A downstream integration must process Dataverse events only after relevant records have committed successfully. It follows the separate remedy Use a supported asynchronous notification model or business event outside the pre-commit transaction. The Brookside Manufacturing scenario instead reports A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The decisive observation must be: An invalid sender is rejected and an authorized Dataverse notification is accepted over an encrypted channel.

D:

An approved record event reaches the new queue and no requests appear on the old namespace. Such evidence would validate a different change: A plug-in assembly emits the intended business event but its service endpoint points at an obsolete Azure Service Bus namespace. It follows the separate remedy Update the registered service endpoint to the approved destination with valid authentication and event mapping. The Brookside Manufacturing scenario instead reports A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The decisive observation must be: An invalid sender is rejected and an authorized Dataverse notification is accepted over an encrypted channel.

Question 641

At Silvercrest University, the research IT team is implementing a laboratory scheduling app under requirements for research data controls. The architecture review finds: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. Which change BEST resolves this specific problem?

  1. Configure supported endpoint authentication, transport security and receiver-side verification.
  2. Choose an appropriate supported messaging endpoint based on delivery, partitioning and consumer requirements.
  3. Make the Dataverse webhook consumer idempotent using an event or operation identifier.
  4. Design version-aware, idempotent event processing and reconcile against authoritative record state.

Explanation

Correct Answer

D:

Design version-aware, idempotent event processing and reconcile against authoritative record state. This specifically addresses A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. For Silvercrest University, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: Replaying an older message cannot reverse the most recently committed status.

Incorrect Answers

A:

Configure supported endpoint authentication, transport security and receiver-side verification. This is a plausible technique for a DIFFERENT requirement: A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The Silvercrest University failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

B:

Choose an appropriate supported messaging endpoint based on delivery, partitioning and consumer requirements. This is a plausible technique for a DIFFERENT requirement: An integration team creates an Azure Event Hub endpoint for every single record status change although the downstream consumer requires ordered transactional work. The Silvercrest University failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

C:

Make the Dataverse webhook consumer idempotent using an event or operation identifier. This is a plausible technique for a DIFFERENT requirement: An Azure webhook receives repeated Dataverse notifications and processes every delivery as a separate payment initiation. The Silvercrest University failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

Question 642

At Silvercrest University, the research IT team is implementing a laboratory scheduling app under requirements for research data controls. After the proposed change, the release reviewer requires evidence for: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. Which result BEST proves the intended fix is effective?

  1. Representative test events preserve the application's required processing semantics without an unbounded backlog.
  2. Committed invoice transitions produce traceable delivery attempts while users can save records normally.
  3. Replaying an older message cannot reverse the most recently committed status.
  4. The designated Dataverse event is emitted to the endpoint and can be correlated with its originating operation.

Explanation

Correct Answer

C:

Replaying an older message cannot reverse the most recently committed status. This directly tests whether the reported failure has been corrected: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The intended action was Design version-aware, idempotent event processing and reconcile against authoritative record state. The observed Silvercrest University outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

Representative test events preserve the application's required processing semantics without an unbounded backlog. Such evidence would validate a different change: An integration team creates an Azure Event Hub endpoint for every single record status change although the downstream consumer requires ordered transactional work. It follows the separate remedy Choose an appropriate supported messaging endpoint based on delivery, partitioning and consumer requirements. The Silvercrest University scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

B:

Committed invoice transitions produce traceable delivery attempts while users can save records normally. Such evidence would validate a different change: A Dataverse invoice-state change must notify a downstream financial service without invoking HTTP from an interactive form script. It follows the separate remedy Publish a server-side event through a registered Dataverse service endpoint and process it asynchronously. The Silvercrest University scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

D:

The designated Dataverse event is emitted to the endpoint and can be correlated with its originating operation. Such evidence would validate a different change: A developer registers a generic PostOperation step but forgets the supported service-endpoint notification service configuration. It follows the separate remedy Use Plug-in Registration Tool to register the correct service endpoint and notification step or supported event registration. The Silvercrest University scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

Question 643

At Highland Education, the campus services team is implementing an apprenticeship management app under requirements for secure integration and predictable performance. During the implementation check, developers discover: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. Which change BEST resolves this specific problem?

  1. Design version-aware, idempotent event processing and reconcile against authoritative record state.
  2. Update the registered service endpoint to the approved destination with valid authentication and event mapping.
  3. Use a supported asynchronous notification model or business event outside the pre-commit transaction.
  4. Configure supported endpoint authentication, transport security and receiver-side verification.

Explanation

Correct Answer

A:

Design version-aware, idempotent event processing and reconcile against authoritative record state. This specifically addresses A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. For Highland Education, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: Replaying an older message cannot reverse the most recently committed status.

Incorrect Answers

B:

Update the registered service endpoint to the approved destination with valid authentication and event mapping. This is a plausible technique for a DIFFERENT requirement: A plug-in assembly emits the intended business event but its service endpoint points at an obsolete Azure Service Bus namespace. The Highland Education failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

C:

Use a supported asynchronous notification model or business event outside the pre-commit transaction. This is a plausible technique for a DIFFERENT requirement: A downstream integration must process Dataverse events only after relevant records have committed successfully. The Highland Education failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

D:

Configure supported endpoint authentication, transport security and receiver-side verification. This is a plausible technique for a DIFFERENT requirement: A Dataverse change event is published to a webhook without validating that the receiver can authenticate the sender. The Highland Education failure described here instead concerns A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. That choice does not establish the required correction; the acceptance result must be: Replaying an older message cannot reverse the most recently committed status.

Question 644

At Highland Education, the campus services team is implementing an apprenticeship management app under requirements for secure integration and predictable performance. The team says the following incident was fixed: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. Which result BEST proves the intended fix is effective?

  1. Duplicate webhook deliveries result in one payment initiation and additional deliveries are safely acknowledged.
  2. Replaying an older message cannot reverse the most recently committed status.
  3. Committed invoice transitions produce traceable delivery attempts while users can save records normally.
  4. The designated Dataverse event is emitted to the endpoint and can be correlated with its originating operation.

Explanation

Correct Answer

B:

Replaying an older message cannot reverse the most recently committed status. This directly tests whether the reported failure has been corrected: A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The intended action was Design version-aware, idempotent event processing and reconcile against authoritative record state. The observed Highland Education outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

Duplicate webhook deliveries result in one payment initiation and additional deliveries are safely acknowledged. Such evidence would validate a different change: An Azure webhook receives repeated Dataverse notifications and processes every delivery as a separate payment initiation. It follows the separate remedy Make the Dataverse webhook consumer idempotent using an event or operation identifier. The Highland Education scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

C:

Committed invoice transitions produce traceable delivery attempts while users can save records normally. Such evidence would validate a different change: A Dataverse invoice-state change must notify a downstream financial service without invoking HTTP from an interactive form script. It follows the separate remedy Publish a server-side event through a registered Dataverse service endpoint and process it asynchronously. The Highland Education scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

D:

The designated Dataverse event is emitted to the endpoint and can be correlated with its originating operation. Such evidence would validate a different change: A developer registers a generic PostOperation step but forgets the supported service-endpoint notification service configuration. It follows the separate remedy Use Plug-in Registration Tool to register the correct service endpoint and notification step or supported event registration. The Highland Education scenario instead reports A service bus consumer receives out-of-order updates and overwrites a newer Dataverse state with an older event. The decisive observation must be: Replaying an older message cannot reverse the most recently committed status.

Question 645

At Harborline Logistics, the warehouse applications team is implementing a dispatch automation rollout under requirements for inventory consistency across sites. The architecture review finds: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. Which change BEST resolves this specific problem?

  1. Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy.
  2. Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling.
  3. Define an alternate key on the external identifier and upsert using the corresponding key-based identity.
  4. Enable and use Dataverse change tracking with a retained change token for incremental synchronization.

Explanation

Correct Answer

D:

Enable and use Dataverse change tracking with a retained change token for incremental synchronization. This specifically addresses An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. For Harborline Logistics, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Incorrect Answers

A:

Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. This is a plausible technique for a DIFFERENT requirement: A source system deletes a customer record but the synchronization process imports only additions and updates. The Harborline Logistics failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

B:

Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling. This is a plausible technique for a DIFFERENT requirement: A data synchronization process calls Create for every record and fails when the target already exists. The Harborline Logistics failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

C:

Define an alternate key on the external identifier and upsert using the corresponding key-based identity. This is a plausible technique for a DIFFERENT requirement: A partner system creates a second customer every time the same external identifier is replayed. The Harborline Logistics failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Question 646

At Harborline Logistics, the warehouse applications team is implementing a dispatch automation rollout under requirements for inventory consistency across sites. After the proposed change, the release reviewer requires evidence for: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. Which result BEST proves the intended fix is effective?

  1. A sync after a small update retrieves only changed records and correctly advances its checkpoint.
  2. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.
  3. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  4. Existing records update, new records insert, and both paths report one stable target identity.

Explanation

Correct Answer

A:

A sync after a small update retrieves only changed records and correctly advances its checkpoint. This directly tests whether the reported failure has been corrected: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The intended action was Enable and use Dataverse change tracking with a retained change token for incremental synchronization. The observed Harborline Logistics outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

B:

A source deletion is reflected by the agreed downstream retention rule without orphaned active rows. Such evidence would validate a different change: A source system deletes a customer record but the synchronization process imports only additions and updates. It follows the separate remedy Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. The Harborline Logistics scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

C:

A deliberate concurrent update resolves according to policy and emits an auditable conflict record. Such evidence would validate a different change: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. It follows the separate remedy Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. The Harborline Logistics scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

D:

Existing records update, new records insert, and both paths report one stable target identity. Such evidence would validate a different change: A data synchronization process calls Create for every record and fails when the target already exists. It follows the separate remedy Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling. The Harborline Logistics scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Question 647

At Maplewood Schools, the education applications team is implementing a parent services portal under requirements for limited learner information disclosure. During the implementation check, developers discover: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. Which change BEST resolves this specific problem?

  1. Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling.
  2. Enable and use Dataverse change tracking with a retained change token for incremental synchronization.
  3. Define source-of-truth ownership or timestamp/version conflict handling before applying upserts.
  4. Define an alternate key on the external identifier and upsert using the corresponding key-based identity.

Explanation

Correct Answer

B:

Enable and use Dataverse change tracking with a retained change token for incremental synchronization. This specifically addresses An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. For Maplewood Schools, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Incorrect Answers

A:

Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling. This is a plausible technique for a DIFFERENT requirement: A data synchronization process calls Create for every record and fails when the target already exists. The Maplewood Schools failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

C:

Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. This is a plausible technique for a DIFFERENT requirement: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The Maplewood Schools failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

D:

Define an alternate key on the external identifier and upsert using the corresponding key-based identity. This is a plausible technique for a DIFFERENT requirement: A partner system creates a second customer every time the same external identifier is replayed. The Maplewood Schools failure described here instead concerns An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. That choice does not establish the required correction; the acceptance result must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Question 648

At Maplewood Schools, the education applications team is implementing a parent services portal under requirements for limited learner information disclosure. The team says the following incident was fixed: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. Which result BEST proves the intended fix is effective?

  1. Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.
  2. Existing records update, new records insert, and both paths report one stable target identity.
  3. A sync after a small update retrieves only changed records and correctly advances its checkpoint.
  4. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

Explanation

Correct Answer

C:

A sync after a small update retrieves only changed records and correctly advances its checkpoint. This directly tests whether the reported failure has been corrected: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The intended action was Enable and use Dataverse change tracking with a retained change token for incremental synchronization. The observed Maplewood Schools outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

Restarting after a simulated failure retrieves or replays missing changes without permanent data loss. Such evidence would validate a different change: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. It follows the separate remedy Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. The Maplewood Schools scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

B:

Existing records update, new records insert, and both paths report one stable target identity. Such evidence would validate a different change: A data synchronization process calls Create for every record and fails when the target already exists. It follows the separate remedy Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling. The Maplewood Schools scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

D:

A deliberate concurrent update resolves according to policy and emits an auditable conflict record. Such evidence would validate a different change: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. It follows the separate remedy Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. The Maplewood Schools scenario instead reports An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The decisive observation must be: A sync after a small update retrieves only changed records and correctly advances its checkpoint.

Question 649

At Timberline Foods, the supply-chain systems team is implementing a vendor onboarding project under requirements for continuous approved supplier status. The architecture review finds: A partner system creates a second customer every time the same external identifier is replayed. Which change BEST resolves this specific problem?

  1. Advance the change-tracking token only after durable application of the corresponding changes and support safe replay.
  2. Define source-of-truth ownership or timestamp/version conflict handling before applying upserts.
  3. Define an alternate key on the external identifier and upsert using the corresponding key-based identity.
  4. Choose a stable immutable external identifier as the Dataverse alternate key rather than a mutable display attribute.

Explanation

Correct Answer

C:

Define an alternate key on the external identifier and upsert using the corresponding key-based identity. This specifically addresses A partner system creates a second customer every time the same external identifier is replayed. For Timberline Foods, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: Replaying a customer record updates the existing row and the total customer count stays constant.

Incorrect Answers

A:

Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. This is a plausible technique for a DIFFERENT requirement: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The Timberline Foods failure described here instead concerns A partner system creates a second customer every time the same external identifier is replayed. That choice does not establish the required correction; the acceptance result must be: Replaying a customer record updates the existing row and the total customer count stays constant.

B:

Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. This is a plausible technique for a DIFFERENT requirement: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The Timberline Foods failure described here instead concerns A partner system creates a second customer every time the same external identifier is replayed. That choice does not establish the required correction; the acceptance result must be: Replaying a customer record updates the existing row and the total customer count stays constant.

D:

Choose a stable immutable external identifier as the Dataverse alternate key rather than a mutable display attribute. This is a plausible technique for a DIFFERENT requirement: A sync pipeline uses contact email as its unique key even though a person can change email and multiple contacts can share a mailbox. The Timberline Foods failure described here instead concerns A partner system creates a second customer every time the same external identifier is replayed. That choice does not establish the required correction; the acceptance result must be: Replaying a customer record updates the existing row and the total customer count stays constant.

Question 650

At Timberline Foods, the supply-chain systems team is implementing a vendor onboarding project under requirements for continuous approved supplier status. After the proposed change, the release reviewer requires evidence for: A partner system creates a second customer every time the same external identifier is replayed. Which result BEST proves the intended fix is effective?

  1. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.
  2. A sync after a small update retrieves only changed records and correctly advances its checkpoint.
  3. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  4. Replaying a customer record updates the existing row and the total customer count stays constant.

Explanation

Correct Answer

D:

Replaying a customer record updates the existing row and the total customer count stays constant. This directly tests whether the reported failure has been corrected: A partner system creates a second customer every time the same external identifier is replayed. The intended action was Define an alternate key on the external identifier and upsert using the corresponding key-based identity. The observed Timberline Foods outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

A source deletion is reflected by the agreed downstream retention rule without orphaned active rows. Such evidence would validate a different change: A source system deletes a customer record but the synchronization process imports only additions and updates. It follows the separate remedy Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. The Timberline Foods scenario instead reports A partner system creates a second customer every time the same external identifier is replayed. The decisive observation must be: Replaying a customer record updates the existing row and the total customer count stays constant.

B:

A sync after a small update retrieves only changed records and correctly advances its checkpoint. Such evidence would validate a different change: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. It follows the separate remedy Enable and use Dataverse change tracking with a retained change token for incremental synchronization. The Timberline Foods scenario instead reports A partner system creates a second customer every time the same external identifier is replayed. The decisive observation must be: Replaying a customer record updates the existing row and the total customer count stays constant.

C:

Changing an email address keeps the same contact identity and does not create an unwanted duplicate. Such evidence would validate a different change: A sync pipeline uses contact email as its unique key even though a person can change email and multiple contacts can share a mailbox. It follows the separate remedy Choose a stable immutable external identifier as the Dataverse alternate key rather than a mutable display attribute. The Timberline Foods scenario instead reports A partner system creates a second customer every time the same external identifier is replayed. The decisive observation must be: Replaying a customer record updates the existing row and the total customer count stays constant.