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SC-300 Premium File: 490 Questions & Answers

Last Update: Sep 21, 2026

SC-300 Training Course: 43 Video Lectures

SC-300 PDF Study Guide: 599 Pages

$79.99

SC-300 Bundle gives you unlimited access to "SC-300" files. However, this does not replace the need for a .vce exam simulator. To download your .vce exam simulator click here

Microsoft SC-300 Practice Test 10

Question 90

A cross-tenant sync job should provision only finance staff, but it currently creates guest identities for every source employee. The proposed change is: Filter the source provisioning scope to the authorized finance users or assigned groups and verify mapping settings. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Test an employee reaching an approved external app and an unapproved external tenant app.
  2. Attempt an invitation as an ordinary employee and as an approved Guest Inviter, checking the different results.
  3. Compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.
  4. Inspect a scoped test user in the target tenant and verify the provisioning log records the expected lifecycle action.

Explanation

Correct Answer

C:

Compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: filter the source provisioning scope to the authorized finance users or assigned groups and verify mapping settings. Failure would be evident in this case: an HR user appears in the target tenant despite not belonging to the authorized finance roster.

Incorrect Answers

A:

The proposed observation checks the different outbound cross-tenant restriction scenario. Even a successful test would not establish the requested outcome here: compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.

B:

The proposed observation checks the different external collaboration invitation roles scenario. Even a successful test would not establish the requested outcome here: compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.

D:

The proposed observation checks the different cross-tenant synchronization permission scenario. Even a successful test would not establish the requested outcome here: compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.

Question 91

An HR user appears in the target tenant despite not belonging to the authorized finance roster. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The resource tenant's inbound cross-tenant application filter does not include the required app.
  2. The federation trust still contains the previous signing certificate or metadata.
  3. The provisioning job's source scoping includes all users rather than the intended finance subset.
  4. The target tenant has not allowed inbound user synchronization from that partner tenant.

Explanation

Correct Answer

C:

The provisioning job's source scoping includes all users rather than the intended finance subset. This is the causal explanation of the observed behavior: an HR user appears in the target tenant despite not belonging to the authorized finance roster. Address the underlying mechanism with: filter the source provisioning scope to the authorized finance users or assigned groups and verify mapping settings. Then confirm: compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.

Incorrect Answers

A:

This diagnosis fits a separate inbound cross-tenant application scope incident: An authorized supplier employee is blocked because inbound access settings for that organization exclude the application. It does not explain this case's observed failure; the provisioning job's source scoping includes all users rather than the intended finance subset.

B:

This diagnosis fits a separate federated external identity provider incident: External users get an invalid-signature result after the IdP rotated its signing certificate. It does not explain this case's observed failure; the provisioning job's source scoping includes all users rather than the intended finance subset.

D:

This diagnosis fits a separate cross-tenant synchronization permission incident: A source-tenant synchronization job fails before creating users even though outbound access is permitted. It does not explain this case's observed failure; the provisioning job's source scoping includes all users rather than the intended finance subset.

Question 92

A cross-tenant sync job should provision only finance staff, but it currently creates guest identities for every source employee. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Scope synchronization to approved users and monitor deprovisioning when source assignments are removed.
  2. Test both source outbound and resource inbound policy when diagnosing cross-tenant failures.
  3. Periodically reconcile source scope and target tenant population, including deprovisioning after transfers.
  4. Limit MFA trust to verified partner tenants and audit sign-in outcomes before expanding trust.

Explanation

Correct Answer

C:

Periodically reconcile source scope and target tenant population, including deprovisioning after transfers. This reduces future drift after the initial control is deployed: filter the source provisioning scope to the authorized finance users or assigned groups and verify mapping settings. Recheck the actual behavior with: compare target user population with in-scope and out-of-scope test accounts after a provisioning cycle.

Incorrect Answers

A:

This control manages future cross-tenant synchronization permission drift, but it does not reduce the continuing exposure in the described cross-tenant synchronization scope case. The correct safeguard is: periodically reconcile source scope and target tenant population, including deprovisioning after transfers.

B:

This control manages future outbound cross-tenant restriction drift, but it does not reduce the continuing exposure in the described cross-tenant synchronization scope case. The correct safeguard is: periodically reconcile source scope and target tenant population, including deprovisioning after transfers.

D:

This control manages future trust external mfa claim drift, but it does not reduce the continuing exposure in the described cross-tenant synchronization scope case. The correct safeguard is: periodically reconcile source scope and target tenant population, including deprovisioning after transfers.

Question 93

A customer portal must support trusted external organization sign-in through a standards-based SAML identity provider rather than storing local passwords for every external identity. Which proposed configuration or implementation directly meets the stated requirement?

  1. Filter the source provisioning scope to the authorized finance users or assigned groups and verify mapping settings.
  2. Configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration.
  3. Configure External collaboration invitation restrictions and delegate supported Guest Inviter privileges to approved sponsors.
  4. Configure the external organization's inbound cross-tenant trust settings to accept the supported home-tenant MFA claim.

Explanation

Correct Answer

B:

Configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration. The solution acts at the intended identity, policy or application scope. A successful result is testable: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user. The competing configuration error is: the federation trust still contains the previous signing certificate or metadata.

Incorrect Answers

A:

That action implements the separate cross-tenant synchronization scope decision. It is appropriate when a cross-tenant sync job should provision only finance staff, but it currently creates guest identities for every source employee. The present case instead requires the specific federated external identity provider change: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration.

C:

That action implements the separate external collaboration invitation roles decision. It is appropriate when an organization wants only approved sponsors and administrators to invite external guests instead of allowing ordinary users to invite anyone. The present case instead requires the specific federated external identity provider change: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration.

D:

That action implements the separate trust external mfa claim decision. It is appropriate when a trusted external organization's staff already satisfy strong MFA in their home tenant; the resource tenant wants Conditional Access to honor that claim for B2B sessions. The present case instead requires the specific federated external identity provider change: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration.

Question 94

A customer portal must support trusted external organization sign-in through a standards-based SAML identity provider rather than storing local passwords for every external identity. The proposed change is: Configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Inspect a scoped test user in the target tenant and verify the provisioning log records the expected lifecycle action.
  2. Check the B2B sign-in's Conditional Access details to confirm an eligible home-tenant MFA claim satisfied the resource requirement.
  3. Have the partner redeem the invite and confirm the intended guest identity can open only the authorized resource.
  4. Complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

Explanation

Correct Answer

D:

Complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration. Failure would be evident in this case: external users get an invalid-signature result after the IdP rotated its signing certificate.

Incorrect Answers

A:

The proposed observation checks the different cross-tenant synchronization permission scenario. Even a successful test would not establish the requested outcome here: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

B:

The proposed observation checks the different trust external mfa claim scenario. Even a successful test would not establish the requested outcome here: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

C:

The proposed observation checks the different b2b guest invitation redemption scenario. Even a successful test would not establish the requested outcome here: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

Question 95

External users get an invalid-signature result after the IdP rotated its signing certificate. Which root cause best explains the described result rather than merely treating its symptoms?

  1. Guest object creation did not by itself grant the SharePoint resource entitlement or satisfy inbound policies.
  2. The federation trust still contains the previous signing certificate or metadata.
  3. The tenant's external collaboration invitation policy still permits ordinary users to invite guests.
  4. The resource tenant has not enabled an appropriate inbound trust for that partner's MFA claim.

Explanation

Correct Answer

B:

The federation trust still contains the previous signing certificate or metadata. This is the causal explanation of the observed behavior: external users get an invalid-signature result after the IdP rotated its signing certificate. Address the underlying mechanism with: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration. Then confirm: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

Incorrect Answers

A:

This diagnosis fits a separate b2b guest invitation redemption incident: A guest account exists in the tenant but the partner still receives an access-denied result for the site. It does not explain this case's observed failure; the federation trust still contains the previous signing certificate or metadata.

C:

This diagnosis fits a separate external collaboration invitation roles incident: Employees outside the sponsor group can invite arbitrary external contacts. It does not explain this case's observed failure; the federation trust still contains the previous signing certificate or metadata.

D:

This diagnosis fits a separate trust external mfa claim incident: A partner user is challenged again for MFA despite performing it in the home tenant. It does not explain this case's observed failure; the federation trust still contains the previous signing certificate or metadata.

Question 96

A customer portal must support trusted external organization sign-in through a standards-based SAML identity provider rather than storing local passwords for every external identity. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Coordinate IdP certificate rotation and validate claims before the old signing certificate expires.
  2. Audit invitations and sponsorship ownership while preserving required approved collaboration paths.
  3. Review guest owners, invitations and granted resource scopes at the end of each project.
  4. Limit MFA trust to verified partner tenants and audit sign-in outcomes before expanding trust.

Explanation

Correct Answer

A:

Coordinate IdP certificate rotation and validate claims before the old signing certificate expires. This reduces future drift after the initial control is deployed: configure the supported external federation identity provider, issuer and certificate trust plus application sign-in configuration. Recheck the actual behavior with: complete a signed test SAML authentication and verify the expected identity claims map to the authorized external user.

Incorrect Answers

B:

This control manages future external collaboration invitation roles drift, but it does not reduce the continuing exposure in the described federated external identity provider case. The correct safeguard is: coordinate IdP certificate rotation and validate claims before the old signing certificate expires.

C:

This control manages future b2b guest invitation redemption drift, but it does not reduce the continuing exposure in the described federated external identity provider case. The correct safeguard is: coordinate IdP certificate rotation and validate claims before the old signing certificate expires.

D:

This control manages future trust external mfa claim drift, but it does not reduce the continuing exposure in the described federated external identity provider case. The correct safeguard is: coordinate IdP certificate rotation and validate claims before the old signing certificate expires.

Question 97

An enterprise needs to synchronize only a selected AD DS organizational unit of employee users to Microsoft Entra while excluding lab users. Which proposed configuration or implementation directly meets the stated requirement?

  1. Configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.
  2. Configure available Microsoft Entra Connect Health monitoring and alerting for the deployed components and licensing.
  3. Deploy and configure Microsoft Entra Cloud Sync provisioning agents and the supported per-forest synchronization configuration.
  4. Configure supported SSPR password writeback with the compatible synchronization method and appropriate AD permissions.

Explanation

Correct Answer

A:

Configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. The solution acts at the intended identity, policy or application scope. A successful result is testable: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope. The competing configuration error is: the synchronization scope includes the laboratory OU that was intended to be filtered out.

Incorrect Answers

B:

That action implements the separate microsoft entra connect health monitoring decision. It is appropriate when hybrid identity operators need visibility into sync and federation service failures before staff notice login problems. The present case instead requires the specific microsoft entra connect sync scope change: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.

C:

That action implements the separate cloud sync agent and scoping decision. It is appropriate when an organization wants cloud-managed synchronization of AD DS users across several forests with lightweight provisioning agents where supported. The present case instead requires the specific microsoft entra connect sync scope change: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.

D:

That action implements the separate hybrid sspr password writeback decision. It is appropriate when hybrid users need self-service password resets made in Microsoft Entra to change their AD DS passwords so on-premises apps remain accessible. The present case instead requires the specific microsoft entra connect sync scope change: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.

Question 98

An enterprise needs to synchronize only a selected AD DS organizational unit of employee users to Microsoft Entra while excluding lab users. The proposed change is: Configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.
  2. Reset a pilot hybrid user's password through SSPR and confirm the new password works for an AD DS-backed application.
  3. Update a pilot user's on-premises password and verify permitted cloud sign-in after synchronization completes.
  4. Check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

Explanation

Correct Answer

A:

Inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. Failure would be evident in this case: lab service accounts unexpectedly appear as synchronized cloud objects after a sync configuration change.

Incorrect Answers

B:

The proposed observation checks the different hybrid sspr password writeback scenario. Even a successful test would not establish the requested outcome here: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

C:

The proposed observation checks the different password hash synchronization scenario. Even a successful test would not establish the requested outcome here: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

D:

The proposed observation checks the different staged ad fs migration scenario. Even a successful test would not establish the requested outcome here: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

Question 99

Lab service accounts unexpectedly appear as synchronized cloud objects after a sync configuration change. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The updated password hash had not reached the cloud authentication service.
  2. The Cloud Sync provisioning-agent availability for that forest is insufficient or unhealthy.
  3. The synchronization scope includes the laboratory OU that was intended to be filtered out.
  4. The pass-through authentication deployment lacks healthy redundant agents for authentication requests.

Explanation

Correct Answer

C:

The synchronization scope includes the laboratory OU that was intended to be filtered out. This is the causal explanation of the observed behavior: lab service accounts unexpectedly appear as synchronized cloud objects after a sync configuration change. Address the underlying mechanism with: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. Then confirm: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

Incorrect Answers

A:

This diagnosis fits a separate password hash synchronization incident: A freshly changed on-premises password cannot authenticate in the cloud until the password hash synchronization cycle completes. It does not explain this case's observed failure; the synchronization scope includes the laboratory OU that was intended to be filtered out.

B:

This diagnosis fits a separate cloud sync agent and scoping incident: One forest's employees stop synchronizing after its only provisioning agent goes offline. It does not explain this case's observed failure; the synchronization scope includes the laboratory OU that was intended to be filtered out.

D:

This diagnosis fits a separate pass-through authentication agent incident: Cloud sign-ins fail during a single agent outage even though the user object still synchronizes. It does not explain this case's observed failure; the synchronization scope includes the laboratory OU that was intended to be filtered out.

Question 100

An enterprise needs to synchronize only a selected AD DS organizational unit of employee users to Microsoft Entra while excluding lab users. Select TWO complementary decisions: the correct technical implementation and the ongoing preventive control. Evidence-only tests and controls for a different scenario are not substitutes for those two responsibilities.

  1. Deploy and configure Microsoft Entra Cloud Sync provisioning agents and the supported per-forest synchronization configuration.
  2. Configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.
  3. Alert on stale monitoring telemetry as well as reported connector errors.
  4. Review OU filtering and deletion impact before sync configuration changes.
  5. Configure available Microsoft Entra Connect Health monitoring and alerting for the deployed components and licensing.

Explanation

Correct Answers

B:

Configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. The solution acts at the intended identity, policy or application scope. A successful result is testable: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope. The competing configuration error is: the synchronization scope includes the laboratory OU that was intended to be filtered out.

D:

Review OU filtering and deletion impact before sync configuration changes. This reduces future drift after the initial control is deployed: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact. Recheck the actual behavior with: inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

Incorrect Answers

A:

That action implements the separate cloud sync agent and scoping decision. It is appropriate when an organization wants cloud-managed synchronization of AD DS users across several forests with lightweight provisioning agents where supported. The present case instead requires the specific microsoft entra connect sync scope change: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.

C:

This control manages future microsoft entra connect health monitoring drift, but it does not reduce the continuing exposure in the described microsoft entra connect sync scope case. The correct safeguard is: review OU filtering and deletion impact before sync configuration changes.

E:

That action implements the separate microsoft entra connect health monitoring decision. It is appropriate when hybrid identity operators need visibility into sync and federation service failures before staff notice login problems. The present case instead requires the specific microsoft entra connect sync scope change: configure supported Microsoft Entra Connect Sync OU-based synchronization filtering and review the initial sync impact.


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