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Exam Code: PL-400

Exam Name Microsoft Power Platform Developer

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Power Platform Developer Associate

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Microsoft PL-400 Practice Test 37

Question 360

At the Ironcliff housing nonprofit after a wider deployment, a developer embeds a connector client secret in a compiled code app JavaScript bundle. The operations team needs a supportable remediation with evidence for the handover. Which ongoing engineering control would most directly reduce recurrence?

  1. Audit allowed origins and remove unused hosts periodically
  2. Check environment variable values and data-source references before deployment
  3. Include negative authorization tests for every role
  4. Scan build outputs for credentials before publishing

Explanation

Correct Answer

D:

The most relevant long-term safeguard is to scan build outputs for credentials before publishing. It preserves the remediation to move sensitive credentials into supported secure server-side identity and connection mechanisms as operating conditions change. In the Ironcliff housing nonprofit, assess this against the documented credential exposure in browser scenario.

Incorrect Answers

A:

This monitoring or review practice targets content security policy; the better ongoing protection for this case is to scan build outputs for credentials before publishing. For case R082-PL400-CASE-0090, the decisive context is the 2 deployment setting at the Ironcliff housing nonprofit.

B:

“Check environment variable values and data-source references before deployment” checks a different ongoing risk rather than the reported failure: at the Ironcliff housing nonprofit after a wider deployment, a developer embeds a connector client secret in a compiled code app JavaScript bundle. The operations team needs a supportable remediation with evidence for the handover. The relevant mechanism is browser code can be inspected and must not contain long-lived secrets. The directly matched preventive control is “Scan build outputs for credentials before publishing”.

C:

That safeguard is appropriate for maintaining code app role authorization. It would not primarily prevent the reported failure, for which the relevant control is to scan build outputs for credentials before publishing. For case R082-PL400-CASE-0090, the decisive context is the 2 deployment setting at the Ironcliff housing nonprofit.

Question 361

At the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. Which implementation or corrective action most directly addresses the reported condition?

  1. Handle incoming property changes within updateView and rerender accordingly
  2. Review code app CSP settings and allow only the specific necessary trusted origins
  3. Instrument supported code app events and exceptions with Application Insights correlation
  4. Enforce Dataverse table and row privileges in the backing security model

Explanation

Correct Answer

D:

This directly changes the failing design: enforce Dataverse table and row privileges in the backing security model. The case identifies that client-side filters do not replace server-side authorization; success can be demonstrated when a low-privilege test identity cannot retrieve restricted rows. In the Juniper regional clinic, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

The alternative concerns pcf update lifecycle, not this case’s documented failure. The correct response targets client-side filters do not replace server-side authorization by using enforce Dataverse table and row privileges in the backing security model. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

B:

The proposed action would instead address content security policy. The scenario here is different: client-side filters do not replace server-side authorization. Choosing that remedy would leave the stated defect untreated; enforce Dataverse table and row privileges in the backing security model addresses it directly. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

C:

“Instrument supported code app events and exceptions with Application Insights correlation” would address a different implementation objective; the stated problem is at the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. The actual control boundary is client-side filters do not replace server-side authorization. The directly responsive action is “Enforce Dataverse table and row privileges in the backing security model”.

Question 362

At the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. Which technical explanation best accounts for the observed problem?

  1. App sharing does not automatically grant every backing data-source privilege
  2. Client-side filters do not replace server-side authorization
  3. Unbounded eager queries increase initial render time and resource use
  4. The manifest defines the public contract exposed to hosts

Explanation

Correct Answer

B:

The underlying mechanism is that client-side filters do not replace server-side authorization. This is why the specific corrective choice is to enforce Dataverse table and row privileges in the backing security model. Testing whether a low-privilege test identity cannot retrieve restricted rows would validate that assessment. In the Juniper regional clinic, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

This explanation corresponds to code app publishing and sharing rather than the symptoms in the case. The controlling cause here is that client-side filters do not replace server-side authorization; the unrelated mechanism does not account for the observed behavior. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

C:

“Unbounded eager queries increase initial render time and resource use” is not the controlling explanation for at the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. The cited causal relationship is client-side filters do not replace server-side authorization. The matching answer is “Client-side filters do not replace server-side authorization”.

D:

This explanation corresponds to pcf manifest rather than the symptoms in the case. The controlling cause here is that client-side filters do not replace server-side authorization; the unrelated mechanism does not account for the observed behavior. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

Question 363

At the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. What outcome would most convincingly confirm that the issue is resolved?

  1. A clean target environment loads the packaged component
  2. First meaningful render improves and navigation loads later pages correctly
  3. A low-privilege test identity cannot retrieve restricted rows
  4. A test coworker can open the app and access only authorized rows

Explanation

Correct Answer

C:

The implementation should be accepted when a low-privilege test identity cannot retrieve restricted rows. That result specifically exercises the remediation to enforce Dataverse table and row privileges in the backing security model. In the Juniper regional clinic, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

Although useful when testing pcf solution packaging, this observation is not the direct acceptance test for the stated change. Look instead for a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

B:

The test is directed at code app initial-load performance, not the reported failure mechanism. Successful correction here requires demonstrating that a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

D:

Although useful when testing code app publishing and sharing, this observation is not the direct acceptance test for the stated change. Look instead for a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

Question 364

At the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. Which ongoing engineering control would most directly reduce recurrence?

  1. Test app and data sharing using non-admin accounts before release
  2. Add tests for null and changed inputs in updateView
  3. Audit allowed origins and remove unused hosts periodically
  4. Include negative authorization tests for every role

Explanation

Correct Answer

D:

This routine prevents recurrence: include negative authorization tests for every role. It targets the recurring risk created because client-side filters do not replace server-side authorization. In the Juniper regional clinic, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

“Test app and data sharing using non-admin accounts before release” checks a different ongoing risk rather than the reported failure: at the Juniper regional clinic during a controlled pilot, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The project team must verify a scoped fix before rollout. The relevant mechanism is client-side filters do not replace server-side authorization. The directly matched preventive control is “Include negative authorization tests for every role”.

B:

That safeguard is appropriate for maintaining pcf update lifecycle. It would not primarily prevent the reported failure, for which the relevant control is to include negative authorization tests for every role. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

C:

This monitoring or review practice targets content security policy; the better ongoing protection for this case is to include negative authorization tests for every role. For case R082-PL400-CASE-0091, the decisive context is the 1 deployment setting at the Juniper regional clinic.

Question 365

At the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. Which implementation or corrective action most directly addresses the reported condition?

  1. Publish and share the supported code app and verify underlying connector and Dataverse permissions
  2. Enforce Dataverse table and row privileges in the backing security model
  3. Use the supported dataset paging interface rather than assuming all rows are loaded
  4. Move sensitive credentials into supported secure server-side identity and connection mechanisms

Explanation

Correct Answer

B:

The recommended intervention is enforce Dataverse table and row privileges in the backing security model. The distinguishing cause is that client-side filters do not replace server-side authorization. In this particular deployment, the follow-up check is that a low-privilege test identity cannot retrieve restricted rows. In the Juniper utility cooperative, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

The proposed action would instead address code app publishing and sharing. The scenario here is different: client-side filters do not replace server-side authorization. Choosing that remedy would leave the stated defect untreated; enforce Dataverse table and row privileges in the backing security model addresses it directly. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

C:

The alternative concerns pcf dataset pagination, not this case’s documented failure. The correct response targets client-side filters do not replace server-side authorization by using enforce Dataverse table and row privileges in the backing security model. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

D:

The proposed action would instead address credential exposure in browser. The scenario here is different: client-side filters do not replace server-side authorization. Choosing that remedy would leave the stated defect untreated; enforce Dataverse table and row privileges in the backing security model addresses it directly. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

Question 366

At the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. Which technical explanation best accounts for the observed problem?

  1. Client-side filters do not replace server-side authorization
  2. Content Security Policy prevents an otherwise valid cross-origin load
  3. App sharing does not automatically grant every backing data-source privilege
  4. Authenticated Dataverse connections need host-supported wiring and access checks

Explanation

Correct Answer

A:

The underlying mechanism is that client-side filters do not replace server-side authorization. This is why the specific corrective choice is to enforce Dataverse table and row privileges in the backing security model. Testing whether a low-privilege test identity cannot retrieve restricted rows would validate that assessment. In the Juniper utility cooperative, assess this against the documented code app role authorization scenario.

Incorrect Answers

B:

“Content Security Policy prevents an otherwise valid cross-origin load” is not the controlling explanation for at the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. The matching answer is “Client-side filters do not replace server-side authorization”.

C:

This explanation corresponds to code app publishing and sharing rather than the symptoms in the case. The controlling cause here is that client-side filters do not replace server-side authorization; the unrelated mechanism does not account for the observed behavior. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

D:

“Authenticated Dataverse connections need host-supported wiring and access checks” is not the controlling explanation for at the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. The matching answer is “Client-side filters do not replace server-side authorization”.

Question 367

At the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. What outcome would most convincingly confirm that the issue is resolved?

  1. First meaningful render improves and navigation loads later pages correctly
  2. A low-privilege test identity cannot retrieve restricted rows
  3. A success message appears only after server confirmation; failures show an error
  4. A failing browser request is identified alongside a corresponding trace

Explanation

Correct Answer

B:

The implementation should be accepted when a low-privilege test identity cannot retrieve restricted rows. That result specifically exercises the remediation to enforce Dataverse table and row privileges in the backing security model. In the Juniper utility cooperative, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

The test is directed at code app initial-load performance, not the reported failure mechanism. Successful correction here requires demonstrating that a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

C:

Although useful when testing async data refresh, this observation is not the direct acceptance test for the stated change. Look instead for a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

D:

The test is directed at browser debug strategy, not the reported failure mechanism. Successful correction here requires demonstrating that a low-privilege test identity cannot retrieve restricted rows. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

Question 368

At the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. Which ongoing engineering control would most directly reduce recurrence?

  1. Add paging and filter tests with large representative datasets
  2. Include negative authorization tests for every role
  3. Track load-time and payload-size regression budgets
  4. Scan build outputs for credentials before publishing

Explanation

Correct Answer

B:

The most relevant long-term safeguard is to include negative authorization tests for every role. It preserves the remediation to enforce Dataverse table and row privileges in the backing security model as operating conditions change. In the Juniper utility cooperative, assess this against the documented code app role authorization scenario.

Incorrect Answers

A:

That safeguard is appropriate for maintaining pcf dataset pagination. It would not primarily prevent the reported failure, for which the relevant control is to include negative authorization tests for every role. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

C:

“Track load-time and payload-size regression budgets” checks a different ongoing risk rather than the reported failure: at the Juniper utility cooperative after a wider deployment, a code app filters sensitive rows in the UI but an account with low permissions can request them by changing a client parameter. The operations team needs a supportable remediation with evidence for the handover. The directly matched preventive control is “Include negative authorization tests for every role”.

D:

That safeguard is appropriate for maintaining credential exposure in browser. It would not primarily prevent the reported failure, for which the relevant control is to include negative authorization tests for every role. For case R082-PL400-CASE-0092, the decisive context is the 2 deployment setting at the Juniper utility cooperative.

Question 369

At the Juniper research institute during a controlled pilot, a business rule must reject an obviously invalid operation before the core Dataverse write when outside a parent transaction. The project team must verify a scoped fix before rollout. Which implementation or corrective action most directly addresses the reported condition?

  1. Configure run-after conditions for success, failure, timeout, and skipped outcomes as needed
  2. Register appropriately in PostOperation and use the execution context output parameters
  3. Configure supported Power Platform managed identity and target resource permissions for the plug-in
  4. Register synchronous validation appropriately at PreValidation and raise a supported failure

Explanation

Correct Answer

D:

The recommended intervention is register synchronous validation appropriately at PreValidation and raise a supported failure. The distinguishing cause is that the operation should be rejected before the main database step; nested stages can still join transactions. In this particular deployment, the follow-up check is that an invalid top-level write is rejected without persisting a row. In the Juniper research institute, assess this against the documented prevalidation rejection scenario.

Incorrect Answers

A:

“Configure run-after conditions for success, failure, timeout, and skipped outcomes as needed” would address a different implementation objective; the stated problem is at the Juniper research institute during a controlled pilot, a business rule must reject an obviously invalid operation before the core Dataverse write when outside a parent transaction. The project team must verify a scoped fix before rollout. The actual control boundary is the operation should be rejected before the main database step; nested stages can still join transactions. The directly responsive action is “Register synchronous validation appropriately at PreValidation and raise a supported failure”.

B:

The alternative concerns postoperation follow-up, not this case’s documented failure. The correct response targets the operation should be rejected before the main database step; nested stages can still join transactions by using register synchronous validation appropriately at PreValidation and raise a supported failure. For case R082-PL400-CASE-0093, the decisive context is the 1 deployment setting at the Juniper research institute.

C:

The proposed action would instead address managed identity plug-in. The scenario here is different: the operation should be rejected before the main database step; nested stages can still join transactions. Choosing that remedy would leave the stated defect untreated; register synchronous validation appropriately at PreValidation and raise a supported failure addresses it directly. For case R082-PL400-CASE-0093, the decisive context is the 1 deployment setting at the Juniper research institute.

Question 370

At the Juniper research institute during a controlled pilot, a business rule must reject an obviously invalid operation before the core Dataverse write when outside a parent transaction. The project team must verify a scoped fix before rollout. Which technical explanation best accounts for the observed problem?

  1. The operation should be rejected before the main database step; nested stages can still join transactions
  2. Update Target does not necessarily include the row's prior values
  3. A synchronous callback unnecessarily delays the user's save
  4. Default run-after success behavior does not invoke compensation on failure

Explanation

Correct Answer

A:

This is the cause indicated by the reported symptoms: the operation should be rejected before the main database step; nested stages can still join transactions. The corrective design is to register synchronous validation appropriately at PreValidation and raise a supported failure, not to change unrelated components. In the Juniper research institute, assess this against the documented prevalidation rejection scenario.

Incorrect Answers

B:

This explanation corresponds to pre image compare rather than the symptoms in the case. The controlling cause here is that the operation should be rejected before the main database step; nested stages can still join transactions; the unrelated mechanism does not account for the observed behavior. For case R082-PL400-CASE-0093, the decisive context is the 1 deployment setting at the Juniper research institute.

C:

“A synchronous callback unnecessarily delays the user's save” is not the controlling explanation for at the Juniper research institute during a controlled pilot, a business rule must reject an obviously invalid operation before the core Dataverse write when outside a parent transaction. The project team must verify a scoped fix before rollout. The cited causal relationship is the operation should be rejected before the main database step; nested stages can still join transactions. The matching answer is “The operation should be rejected before the main database step; nested stages can still join transactions”.

D:

“Default run-after success behavior does not invoke compensation on failure” is not the controlling explanation for at the Juniper research institute during a controlled pilot, a business rule must reject an obviously invalid operation before the core Dataverse write when outside a parent transaction. The project team must verify a scoped fix before rollout. The cited causal relationship is the operation should be rejected before the main database step; nested stages can still join transactions. The matching answer is “The operation should be rejected before the main database step; nested stages can still join transactions”.