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Exam Code: PL-400

Exam Name Microsoft Power Platform Developer

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Corresponding Certification: Microsoft Certified: Power Platform Developer Associate

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Microsoft PL-400 Practice Test 67

Question 660

At Timberline Foods, the supply-chain systems team is implementing a vendor onboarding project under requirements for continuous approved supplier status. The team says the following incident was fixed: A sync pipeline uses contact email as its unique key even though a person can change email and multiple contacts can share a mailbox. Which result BEST proves the intended fix is effective?

  1. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  2. Replaying a customer record updates the existing row and the total customer count stays constant.
  3. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.
  4. Existing records update, new records insert, and both paths report one stable target identity.

Explanation

Correct Answer

A:

Changing an email address keeps the same contact identity and does not create an unwanted duplicate. This directly tests whether the reported failure has been corrected: 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 intended action was Choose a stable immutable external identifier as the Dataverse alternate key rather than a mutable display attribute. The observed Timberline Foods outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

B:

Replaying a customer record updates the existing row and the total customer count stays constant. Such evidence would validate a different change: A partner system creates a second customer every time the same external identifier is replayed. It follows the separate remedy Define an alternate key on the external identifier and upsert using the corresponding key-based identity. The Timberline Foods scenario instead reports 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 decisive observation must be: Changing an email address keeps the same contact identity and does not create an unwanted duplicate.

C:

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 sync pipeline uses contact email as its unique key even though a person can change email and multiple contacts can share a mailbox. The decisive observation must be: Changing an email address keeps the same contact identity and does not create an unwanted duplicate.

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 Timberline Foods scenario instead reports 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 decisive observation must be: Changing an email address keeps the same contact identity and does not create an unwanted duplicate.

Question 661

At Juniper Media, the production operations team is implementing a content licensing automation under requirements for governed asset rights. The architecture review finds: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. 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 an alternate key on the external identifier and upsert using the corresponding key-based identity.
  3. Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling.
  4. Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy.

Explanation

Correct Answer

A:

Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. This specifically addresses An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. For Juniper Media, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Incorrect Answers

B:

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 Juniper Media failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

C:

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 Juniper Media failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

D:

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 Juniper Media failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Question 662

At Juniper Media, the production operations team is implementing a content licensing automation under requirements for governed asset rights. After the proposed change, the release reviewer requires evidence for: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. Which result BEST proves the intended fix is effective?

  1. Existing records update, new records insert, and both paths report one stable target identity.
  2. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  3. Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.
  4. Replaying a customer record updates the existing row and the total customer count stays constant.

Explanation

Correct Answer

C:

Restarting after a simulated failure retrieves or replays missing changes without permanent data loss. This directly tests whether the reported failure has been corrected: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The intended action was Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. The observed Juniper Media outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

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 Juniper Media scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

B:

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 Juniper Media scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

D:

Replaying a customer record updates the existing row and the total customer count stays constant. Such evidence would validate a different change: A partner system creates a second customer every time the same external identifier is replayed. It follows the separate remedy Define an alternate key on the external identifier and upsert using the corresponding key-based identity. The Juniper Media scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Question 663

At Meadowbrook Finance, the regulated systems team is implementing a payments operations refresh under requirements for segregation of duties. During the implementation check, developers discover: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. Which change BEST resolves this specific problem?

  1. Define source-of-truth ownership or timestamp/version conflict handling before applying upserts.
  2. Advance the change-tracking token only after durable application of the corresponding changes and support safe replay.
  3. Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy.
  4. Choose a stable immutable external identifier as the Dataverse alternate key rather than a mutable display attribute.

Explanation

Correct Answer

B:

Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. This specifically addresses An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. For Meadowbrook Finance, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Incorrect Answers

A:

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 Meadowbrook Finance failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

C:

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 Meadowbrook Finance failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

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 Meadowbrook Finance failure described here instead concerns An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. That choice does not establish the required correction; the acceptance result must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Question 664

At Meadowbrook Finance, the regulated systems team is implementing a payments operations refresh under requirements for segregation of duties. The team says the following incident was fixed: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. Which result BEST proves the intended fix is effective?

  1. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  2. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  3. Existing records update, new records insert, and both paths report one stable target identity.
  4. Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Explanation

Correct Answer

D:

Restarting after a simulated failure retrieves or replays missing changes without permanent data loss. This directly tests whether the reported failure has been corrected: An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The intended action was Advance the change-tracking token only after durable application of the corresponding changes and support safe replay. The observed Meadowbrook Finance outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

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 Meadowbrook Finance scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

B:

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 Meadowbrook Finance scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

C:

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 Meadowbrook Finance scenario instead reports An incremental sync fails after processing half a change batch but stores the new tracking token before the batch commits. The decisive observation must be: Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Question 665

At Eastshore Energy, the remote operations team is implementing a maintenance platform rollout under requirements for reliable cross-region event processing. The architecture review finds: A source system deletes a customer record but the synchronization process imports only additions and updates. Which change BEST resolves this specific problem?

  1. Use an upsert operation or UpsertRequest with correct key semantics and version-aware conflict handling.
  2. Define source-of-truth ownership or timestamp/version conflict handling before applying upserts.
  3. Advance the change-tracking token only after durable application of the corresponding changes and support safe replay.
  4. Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy.

Explanation

Correct Answer

D:

Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. This specifically addresses A source system deletes a customer record but the synchronization process imports only additions and updates. For Eastshore Energy, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

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 Eastshore Energy failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

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 Eastshore Energy failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

C:

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 Eastshore Energy failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Question 666

At Eastshore Energy, the remote operations team is implementing a maintenance platform rollout under requirements for reliable cross-region event processing. After the proposed change, the release reviewer requires evidence for: A source system deletes a customer record but the synchronization process imports only additions and updates. Which result BEST proves the intended fix is effective?

  1. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  2. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  3. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.
  4. Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Explanation

Correct Answer

C:

A source deletion is reflected by the agreed downstream retention rule without orphaned active rows. This directly tests whether the reported failure has been corrected: A source system deletes a customer record but the synchronization process imports only additions and updates. The intended action was Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. The observed Eastshore Energy outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

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 Eastshore Energy scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

B:

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 Eastshore Energy scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

D:

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 Eastshore Energy scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Question 667

At Alpine Healthcare, the clinic apps team is implementing an outpatient records initiative under requirements for confidential access and clinical continuity. During the implementation check, developers discover: A source system deletes a customer record but the synchronization process imports only additions and updates. 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. Enable and use Dataverse change tracking with a retained change token for incremental synchronization.
  3. Define an alternate key on the external identifier and upsert using the corresponding key-based identity.
  4. Advance the change-tracking token only after durable application of the corresponding changes and support safe replay.

Explanation

Correct Answer

A:

Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. This specifically addresses A source system deletes a customer record but the synchronization process imports only additions and updates. For Alpine Healthcare, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Incorrect Answers

B:

Enable and use Dataverse change tracking with a retained change token for incremental synchronization. This is a plausible technique for a DIFFERENT requirement: An integration polls the full Accounts table each hour to find changes and spends most of its quota on unchanged rows. The Alpine Healthcare failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

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 Alpine Healthcare failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

D:

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 Alpine Healthcare failure described here instead concerns A source system deletes a customer record but the synchronization process imports only additions and updates. That choice does not establish the required correction; the acceptance result must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Question 668

At Alpine Healthcare, the clinic apps team is implementing an outpatient records initiative under requirements for confidential access and clinical continuity. The team says the following incident was fixed: A source system deletes a customer record but the synchronization process imports only additions and updates. Which result BEST proves the intended fix is effective?

  1. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  2. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.
  3. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  4. Restarting after a simulated failure retrieves or replays missing changes without permanent data loss.

Explanation

Correct Answer

B:

A source deletion is reflected by the agreed downstream retention rule without orphaned active rows. This directly tests whether the reported failure has been corrected: A source system deletes a customer record but the synchronization process imports only additions and updates. The intended action was Handle documented change-tracking delete tombstones and map them to authorized target deletion or archival policy. The observed Alpine Healthcare outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

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 Alpine Healthcare scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

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 Alpine Healthcare scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

D:

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 Alpine Healthcare scenario instead reports A source system deletes a customer record but the synchronization process imports only additions and updates. The decisive observation must be: A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Question 669

At Brookside Manufacturing, the plant software team is implementing a work-order system upgrade under requirements for planned downtime and production traceability. The architecture review finds: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. Which change BEST resolves this specific problem?

  1. Define source-of-truth ownership or timestamp/version conflict handling before applying upserts.
  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. Advance the change-tracking token only after durable application of the corresponding changes and support safe replay.

Explanation

Correct Answer

A:

Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. This specifically addresses Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. For Brookside Manufacturing, the design decision changes the underlying Power Platform solution behavior rather than an unrelated surface setting. A measurable acceptance result is: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

Incorrect Answers

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 Brookside Manufacturing failure described here instead concerns Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. That choice does not establish the required correction; the acceptance result must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

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 Brookside Manufacturing failure described here instead concerns Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. That choice does not establish the required correction; the acceptance result must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

D:

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 Brookside Manufacturing failure described here instead concerns Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. That choice does not establish the required correction; the acceptance result must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

Question 670

At Brookside Manufacturing, the plant software team is implementing a work-order system upgrade under requirements for planned downtime and production traceability. After the proposed change, the release reviewer requires evidence for: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. Which result BEST proves the intended fix is effective?

  1. Changing an email address keeps the same contact identity and does not create an unwanted duplicate.
  2. A sync after a small update retrieves only changed records and correctly advances its checkpoint.
  3. A deliberate concurrent update resolves according to policy and emits an auditable conflict record.
  4. A source deletion is reflected by the agreed downstream retention rule without orphaned active rows.

Explanation

Correct Answer

C:

A deliberate concurrent update resolves according to policy and emits an auditable conflict record. This directly tests whether the reported failure has been corrected: Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The intended action was Define source-of-truth ownership or timestamp/version conflict handling before applying upserts. The observed Brookside Manufacturing outcome is stronger evidence than a completed ticket or a saved configuration alone.

Incorrect Answers

A:

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 Brookside Manufacturing scenario instead reports Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The decisive observation must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

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 Brookside Manufacturing scenario instead reports Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The decisive observation must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.

D:

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 Brookside Manufacturing scenario instead reports Two systems update a shared customer address concurrently and the last sync wins without a conflict policy. The decisive observation must be: A deliberate concurrent update resolves according to policy and emits an auditable conflict record.