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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 12

Question 110

A regulated company chooses pass-through authentication so sign-in verification uses on-premises AD DS through registered agents. The proposed change is: Deploy and validate a supported set of pass-through authentication agents with the selected cloud authentication method. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Confirm an in-scope test account from each supported forest reaches the cloud and inspect agent/provisioning health.
  2. Check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.
  3. Update a pilot user's on-premises password and verify permitted cloud sign-in after synchronization completes.
  4. Test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

Explanation

Correct Answer

D:

Test a sign-in while one agent is disabled and verify another healthy agent can process authentication. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: deploy and validate a supported set of pass-through authentication agents with the selected cloud authentication method. Failure would be evident in this case: cloud sign-ins fail during a single agent outage even though the user object still synchronizes.

Incorrect Answers

A:

The proposed observation checks the different cloud sync agent and scoping scenario. Even a successful test would not establish the requested outcome here: test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

B:

The proposed observation checks the different staged ad fs migration scenario. Even a successful test would not establish the requested outcome here: test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

C:

The proposed observation checks the different password hash synchronization scenario. Even a successful test would not establish the requested outcome here: test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

Question 111

Cloud sign-ins fail during a single agent outage even though the user object still synchronizes. Which root cause best explains the described result rather than merely treating its symptoms?

  1. Tenant-wide federation changes were made instead of a bounded staged rollout.
  2. The updated password hash had not reached the cloud authentication service.
  3. The Cloud Sync provisioning-agent availability for that forest is insufficient or unhealthy.
  4. The pass-through authentication deployment lacks healthy redundant agents for authentication requests.

Explanation

Correct Answer

D:

The pass-through authentication deployment lacks healthy redundant agents for authentication requests. This is the causal explanation of the observed behavior: cloud sign-ins fail during a single agent outage even though the user object still synchronizes. Address the underlying mechanism with: deploy and validate a supported set of pass-through authentication agents with the selected cloud authentication method. Then confirm: test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

Incorrect Answers

A:

This diagnosis fits a separate staged ad fs migration incident: An administrator changes the tenant domain to managed for everyone before pilot validation, interrupting legacy app sign-in. It does not explain this case's observed failure; the pass-through authentication deployment lacks healthy redundant agents for authentication requests.

B:

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 pass-through authentication deployment lacks healthy redundant agents for authentication requests.

C:

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 pass-through authentication deployment lacks healthy redundant agents for authentication requests.

Question 112

A regulated company chooses pass-through authentication so sign-in verification uses on-premises AD DS through registered agents. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Test writeback health and required permissions after connector upgrades and password policy changes.
  2. Record application authentication dependencies and retain rollback criteria until pilot outcomes are verified.
  3. Plan agent redundancy and monitor provisioning agent status across forests.
  4. Monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.

Explanation

Correct Answer

D:

Monitor agents and maintain redundant on-premises reachability before enabling widespread PTA. This reduces future drift after the initial control is deployed: deploy and validate a supported set of pass-through authentication agents with the selected cloud authentication method. Recheck the actual behavior with: test a sign-in while one agent is disabled and verify another healthy agent can process authentication.

Incorrect Answers

A:

This control manages future hybrid sspr password writeback drift, but it does not reduce the continuing exposure in the described pass-through authentication agent case. The correct safeguard is: monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.

B:

This control manages future staged ad fs migration drift, but it does not reduce the continuing exposure in the described pass-through authentication agent case. The correct safeguard is: monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.

C:

This control manages future cloud sync agent and scoping drift, but it does not reduce the continuing exposure in the described pass-through authentication agent case. The correct safeguard is: monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.

Question 113

Users on approved domain-joined Windows devices want fewer password prompts when accessing compatible cloud apps on the corporate network. Which proposed configuration or implementation directly meets the stated requirement?

  1. Deploy and configure Microsoft Entra Cloud Sync provisioning agents and the supported per-forest synchronization configuration.
  2. Enable supported password hash synchronization and use the cloud authentication configuration for the pilot population.
  3. Configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites.
  4. Configure supported SSPR password writeback with the compatible synchronization method and appropriate AD permissions.

Explanation

Correct Answer

C:

Configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites. The solution acts at the intended identity, policy or application scope. A successful result is testable: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee. The competing configuration error is: the Seamless SSO Kerberos configuration or reachability prerequisite is not functioning.

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 seamless sso for domain devices change: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites.

B:

That action implements the separate password hash synchronization decision. It is appropriate when a company wants cloud authentication of hybrid AD DS users using synchronized password hash data without requiring an on-premises authentication agent for every sign-in. The present case instead requires the specific seamless sso for domain devices change: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites.

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 seamless sso for domain devices change: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites.

Question 114

Users on approved domain-joined Windows devices want fewer password prompts when accessing compatible cloud apps on the corporate network. The proposed change is: Configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Reset a pilot hybrid user's password through SSPR and confirm the new password works for an AD DS-backed application.
  2. From an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.
  3. Test a sign-in while one agent is disabled and verify another healthy agent can process authentication.
  4. Update a pilot user's on-premises password and verify permitted cloud sign-in after synchronization completes.

Explanation

Correct Answer

B:

From an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites. Failure would be evident in this case: domain users repeatedly enter passwords after the Kerberos computer account or network preconditions are broken.

Incorrect Answers

A:

The proposed observation checks the different hybrid sspr password writeback scenario. Even a successful test would not establish the requested outcome here: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.

C:

The proposed observation checks the different pass-through authentication agent scenario. Even a successful test would not establish the requested outcome here: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.

D:

The proposed observation checks the different password hash synchronization scenario. Even a successful test would not establish the requested outcome here: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.

Question 115

Domain users repeatedly enter passwords after the Kerberos computer account or network preconditions are broken. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The Cloud Sync provisioning-agent availability for that forest is insufficient or unhealthy.
  2. The updated password hash had not reached the cloud authentication service.
  3. The password writeback integration or required on-premises permissions are not operating.
  4. The Seamless SSO Kerberos configuration or reachability prerequisite is not functioning.

Explanation

Correct Answer

D:

The Seamless SSO Kerberos configuration or reachability prerequisite is not functioning. This is the causal explanation of the observed behavior: domain users repeatedly enter passwords after the Kerberos computer account or network preconditions are broken. Address the underlying mechanism with: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites. Then confirm: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.

Incorrect Answers

A:

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 Seamless SSO Kerberos configuration or reachability prerequisite is not functioning.

B:

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 Seamless SSO Kerberos configuration or reachability prerequisite is not functioning.

C:

This diagnosis fits a separate hybrid sspr password writeback incident: A cloud password reset succeeds but the old AD password still governs access to an on-premises app. It does not explain this case's observed failure; the Seamless SSO Kerberos configuration or reachability prerequisite is not functioning.

Question 116

Users on approved domain-joined Windows devices want fewer password prompts when accessing compatible cloud apps on the corporate network. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Monitor Kerberos secret rotation and compatible client/network requirements for silent sign-in.
  2. Monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.
  3. Monitor password sync health and communicate propagation timing during credential resets.
  4. Test writeback health and required permissions after connector upgrades and password policy changes.

Explanation

Correct Answer

A:

Monitor Kerberos secret rotation and compatible client/network requirements for silent sign-in. This reduces future drift after the initial control is deployed: configure supported Seamless Single Sign-On with the appropriate hybrid authentication prerequisites. Recheck the actual behavior with: from an authorized domain-joined device, confirm the expected silent sign-in and verify a non-domain device doesn't receive the same guarantee.

Incorrect Answers

B:

This control manages future pass-through authentication agent drift, but it does not reduce the continuing exposure in the described seamless sso for domain devices case. The correct safeguard is: monitor Kerberos secret rotation and compatible client/network requirements for silent sign-in.

C:

This control manages future password hash synchronization drift, but it does not reduce the continuing exposure in the described seamless sso for domain devices case. The correct safeguard is: monitor Kerberos secret rotation and compatible client/network requirements for silent sign-in.

D:

This control manages future hybrid sspr password writeback drift, but it does not reduce the continuing exposure in the described seamless sso for domain devices case. The correct safeguard is: monitor Kerberos secret rotation and compatible client/network requirements for silent sign-in.

Question 117

A company currently federates sign-ins through AD FS and wants a pilot migration to cloud authentication before changing all users. Which proposed configuration or implementation directly meets the stated requirement?

  1. Use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility.
  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. Deploy and validate a supported set of pass-through authentication agents with the selected cloud authentication method.

Explanation

Correct Answer

A:

Use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility. The solution acts at the intended identity, policy or application scope. A successful result is testable: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated. The competing configuration error is: tenant-wide federation changes were made instead of a bounded staged rollout.

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 staged ad fs migration change: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility.

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 staged ad fs migration change: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility.

D:

That action implements the separate pass-through authentication agent decision. It is appropriate when a regulated company chooses pass-through authentication so sign-in verification uses on-premises AD DS through registered agents. The present case instead requires the specific staged ad fs migration change: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility.

Question 118

A company currently federates sign-ins through AD FS and wants a pilot migration to cloud authentication before changing all users. The proposed change is: Use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Update a pilot user's on-premises password and verify permitted cloud sign-in after synchronization completes.
  2. Check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.
  3. Test a sign-in while one agent is disabled and verify another healthy agent can process authentication.
  4. Inspect synchronized pilot employees from the included OU and confirm lab users remain out of scope.

Explanation

Correct Answer

B:

Check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility. Failure would be evident in this case: an administrator changes the tenant domain to managed for everyone before pilot validation, interrupting legacy app sign-in.

Incorrect Answers

A:

The proposed observation checks the different password hash synchronization scenario. Even a successful test would not establish the requested outcome here: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

C:

The proposed observation checks the different pass-through authentication agent scenario. Even a successful test would not establish the requested outcome here: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

D:

The proposed observation checks the different microsoft entra connect sync scope scenario. Even a successful test would not establish the requested outcome here: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

Question 119

An administrator changes the tenant domain to managed for everyone before pilot validation, interrupting legacy app sign-in. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The relevant Connect Health agent or monitoring configuration is missing or not transmitting.
  2. The updated password hash had not reached the cloud authentication service.
  3. The Cloud Sync provisioning-agent availability for that forest is insufficient or unhealthy.
  4. Tenant-wide federation changes were made instead of a bounded staged rollout.

Explanation

Correct Answer

D:

Tenant-wide federation changes were made instead of a bounded staged rollout. This is the causal explanation of the observed behavior: an administrator changes the tenant domain to managed for everyone before pilot validation, interrupting legacy app sign-in. Address the underlying mechanism with: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility. Then confirm: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

Incorrect Answers

A:

This diagnosis fits a separate microsoft entra connect health monitoring incident: An offline synchronization service is not flagged in operations because no connected health agent or data feed is working. It does not explain this case's observed failure; tenant-wide federation changes were made instead of a bounded staged rollout.

B:

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; tenant-wide federation changes were made instead of a bounded staged rollout.

C:

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; tenant-wide federation changes were made instead of a bounded staged rollout.

Question 120

A company currently federates sign-ins through AD FS and wants a pilot migration to cloud authentication before changing all users. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Alert on stale monitoring telemetry as well as reported connector errors.
  2. Record application authentication dependencies and retain rollback criteria until pilot outcomes are verified.
  3. Monitor agents and maintain redundant on-premises reachability before enabling widespread PTA.
  4. Monitor password sync health and communicate propagation timing during credential resets.

Explanation

Correct Answer

B:

Record application authentication dependencies and retain rollback criteria until pilot outcomes are verified. This reduces future drift after the initial control is deployed: use a supported staged rollout of cloud authentication for selected groups, validating exclusions and client compatibility. Recheck the actual behavior with: check pilot sign-in logs show the intended cloud authentication path while nonpilot users remain federated.

Incorrect Answers

A:

This control manages future microsoft entra connect health monitoring drift, but it does not reduce the continuing exposure in the described staged ad fs migration case. The correct safeguard is: record application authentication dependencies and retain rollback criteria until pilot outcomes are verified.

C:

This control manages future pass-through authentication agent drift, but it does not reduce the continuing exposure in the described staged ad fs migration case. The correct safeguard is: record application authentication dependencies and retain rollback criteria until pilot outcomes are verified.

D:

This control manages future password hash synchronization drift, but it does not reduce the continuing exposure in the described staged ad fs migration case. The correct safeguard is: record application authentication dependencies and retain rollback criteria until pilot outcomes are verified.


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