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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 23

Question 220

The suspicious OAuth token activity has no corresponding human user sign-in alert, so the investigation is prematurely closed. Which root cause best explains the described result rather than merely treating its symptoms?

  1. Enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.
  2. A sign-in challenge alone did not resolve the separate user-risk condition requiring account-level remediation.
  3. Workload identity sign-ins and risks are separate from interactive user sign-in detections.
  4. Sign-in risk concerns the current authentication attempt, which is distinct from the aggregate user risk assessment.

Explanation

Correct Answer

C:

Workload identity sign-ins and risks are separate from interactive user sign-in detections. This is the causal explanation of the observed behavior: the suspicious OAuth token activity has no corresponding human user sign-in alert, so the investigation is prematurely closed. Address the underlying mechanism with: review workload identity risk detections and applicable workload Conditional Access controls where supported. Then confirm: inspect the service principal sign-in and risk records and confirm the incident is associated with the workload identity.

Incorrect Answers

A:

This diagnosis fits a separate mfa registration campaign incident: No Authenticator registration prompt appears for users excluded from the campaign despite the method being enabled tenant-wide. It does not explain this case's observed failure; workload identity sign-ins and risks are separate from interactive user sign-in detections.

B:

This diagnosis fits a separate user risk remediation incident: An admin challenges only one sign-in with MFA but the high-risk user account remains flagged across subsequent sessions. It does not explain this case's observed failure; workload identity sign-ins and risks are separate from interactive user sign-in detections.

D:

This diagnosis fits a separate sign-in risk-based access incident: An administrator reviews only the user's long-term risk label and misses a high-risk single sign-in event. It does not explain this case's observed failure; workload identity sign-ins and risks are separate from interactive user sign-in detections.

Question 221

An automated application service principal shows suspicious noninteractive token use and security needs to investigate the workload rather than searching only user sign-in events. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Monitor service principal credential use, ownership and risky workload identity reports.
  2. Monitor campaign completion and avoid removing fallback methods before eligible users can onboard.
  3. Test sign-in risk thresholds and remediation behavior without treating every unfamiliar location as compromise.
  4. Investigate the underlying alert and document when user risk is confirmed compromised or safely dismissed.

Explanation

Correct Answer

A:

Monitor service principal credential use, ownership and risky workload identity reports. This reduces future drift after the initial control is deployed: review workload identity risk detections and applicable workload Conditional Access controls where supported. Recheck the actual behavior with: inspect the service principal sign-in and risk records and confirm the incident is associated with the workload identity.

Incorrect Answers

B:

This control manages future mfa registration campaign drift, but it does not reduce the continuing exposure in the described risky workload identity case. The correct safeguard is: monitor service principal credential use, ownership and risky workload identity reports.

C:

This control manages future sign-in risk-based access drift, but it does not reduce the continuing exposure in the described risky workload identity case. The correct safeguard is: monitor service principal credential use, ownership and risky workload identity reports.

D:

This control manages future user risk remediation drift, but it does not reduce the continuing exposure in the described risky workload identity case. The correct safeguard is: monitor service principal credential use, ownership and risky workload identity reports.

Question 222

The organization already allows Microsoft Authenticator but many users still use SMS and security wants a gradual supported registration prompt rather than instantly blocking all users. Which proposed configuration or implementation directly meets the stated requirement?

  1. Use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise.
  2. Configure an appropriate user-risk policy, such as requiring supported secure password change or blocking pending investigation.
  3. Review workload identity risk detections and applicable workload Conditional Access controls where supported.
  4. Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

Explanation

Correct Answer

D:

Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. The solution acts at the intended identity, policy or application scope. A successful result is testable: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion. The competing configuration error is: enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

Incorrect Answers

A:

That action implements the separate risk dismissal versus confirmation decision. It is appropriate when a legitimate employee was flagged for impossible travel while a protected network gateway altered location, and an investigator has verified a false positive. The present case instead requires the specific mfa registration campaign change: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

B:

That action implements the separate user risk remediation decision. It is appropriate when an identity is marked high user risk after leaked credentials are confirmed, and the team needs a governed remediation path. The present case instead requires the specific mfa registration campaign change: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

C:

That action implements the separate risky workload identity decision. It is appropriate when an automated application service principal shows suspicious noninteractive token use and security needs to investigate the workload rather than searching only user sign-in events. The present case instead requires the specific mfa registration campaign change: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

Question 223

The organization already allows Microsoft Authenticator but many users still use SMS and security wants a gradual supported registration prompt rather than instantly blocking all users. The proposed change is: Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Review the risky-user record and confirm the selected remediation updates the user-risk state and subsequent sign-in behavior.
  2. Inspect risky sign-in details and confirm the policy challenge or block is tied to the evaluated sign-in risk.
  3. Check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.
  4. Inspect the service principal sign-in and risk records and confirm the incident is associated with the workload identity.

Explanation

Correct Answer

C:

Check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. Failure would be evident in this case: no Authenticator registration prompt appears for users excluded from the campaign despite the method being enabled tenant-wide.

Incorrect Answers

A:

The proposed observation checks the different user risk remediation scenario. Even a successful test would not establish the requested outcome here: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.

B:

The proposed observation checks the different sign-in risk-based access scenario. Even a successful test would not establish the requested outcome here: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.

D:

The proposed observation checks the different risky workload identity scenario. Even a successful test would not establish the requested outcome here: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.

Question 224

No Authenticator registration prompt appears for users excluded from the campaign despite the method being enabled tenant-wide. Which root cause best explains the described result rather than merely treating its symptoms?

  1. Helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.
  2. Sign-in risk concerns the current authentication attempt, which is distinct from the aggregate user risk assessment.
  3. Enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.
  4. Workload identity sign-ins and risks are separate from interactive user sign-in detections.

Explanation

Correct Answer

C:

Enabling the method itself does not enroll everyone; the campaign policy and scope control prompts. This is the causal explanation of the observed behavior: no Authenticator registration prompt appears for users excluded from the campaign despite the method being enabled tenant-wide. Address the underlying mechanism with: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. Then confirm: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.

Incorrect Answers

A:

This diagnosis fits a separate risk dismissal versus confirmation incident: The user remains high risk because the analyst closed a helpdesk ticket without updating ID Protection risk state. It does not explain this case's observed failure; enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

B:

This diagnosis fits a separate sign-in risk-based access incident: An administrator reviews only the user's long-term risk label and misses a high-risk single sign-in event. It does not explain this case's observed failure; enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

D:

This diagnosis fits a separate risky workload identity incident: The suspicious OAuth token activity has no corresponding human user sign-in alert, so the investigation is prematurely closed. It does not explain this case's observed failure; enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

Question 225

The organization already allows Microsoft Authenticator but many users still use SMS and security wants a gradual supported registration prompt rather than instantly blocking all 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. Monitor campaign completion and avoid removing fallback methods before eligible users can onboard.
  2. Monitor service principal credential use, ownership and risky workload identity reports.
  3. Configure an appropriate sign-in risk Conditional Access policy with the intended risk threshold and MFA or block response.
  4. Configure an appropriate user-risk policy, such as requiring supported secure password change or blocking pending investigation.
  5. Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

Explanation

Correct Answers

A:

Monitor campaign completion and avoid removing fallback methods before eligible users can onboard. This reduces future drift after the initial control is deployed: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. Recheck the actual behavior with: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion.

E:

Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions. The solution acts at the intended identity, policy or application scope. A successful result is testable: check a pilot user's sign-in prompts and confirm the registered Authenticator method appears after completion. The competing configuration error is: enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

Incorrect Answers

B:

This control manages future risky workload identity drift, but it does not reduce the continuing exposure in the described mfa registration campaign case. The correct safeguard is: monitor campaign completion and avoid removing fallback methods before eligible users can onboard.

C:

That action implements the separate sign-in risk-based access decision. It is appropriate when a user signs in from an unfamiliar suspicious network, and the security team wants an MFA challenge based on risk of that sign-in event. The present case instead requires the specific mfa registration campaign change: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

D:

That action implements the separate user risk remediation decision. It is appropriate when an identity is marked high user risk after leaked credentials are confirmed, and the team needs a governed remediation path. The present case instead requires the specific mfa registration campaign change: configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

Question 226

A legitimate employee was flagged for impossible travel while a protected network gateway altered location, and an investigator has verified a false positive. Which proposed configuration or implementation directly meets the stated requirement?

  1. Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.
  2. Use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise.
  3. Configure an appropriate user-risk policy, such as requiring supported secure password change or blocking pending investigation.
  4. Configure an appropriate sign-in risk Conditional Access policy with the intended risk threshold and MFA or block response.

Explanation

Correct Answer

B:

Use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise. The solution acts at the intended identity, policy or application scope. A successful result is testable: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome. The competing configuration error is: helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.

Incorrect Answers

A:

That action implements the separate mfa registration campaign decision. It is appropriate when the organization already allows Microsoft Authenticator but many users still use SMS and security wants a gradual supported registration prompt rather than instantly blocking all users. The present case instead requires the specific risk dismissal versus confirmation change: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise.

C:

That action implements the separate user risk remediation decision. It is appropriate when an identity is marked high user risk after leaked credentials are confirmed, and the team needs a governed remediation path. The present case instead requires the specific risk dismissal versus confirmation change: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise.

D:

That action implements the separate sign-in risk-based access decision. It is appropriate when a user signs in from an unfamiliar suspicious network, and the security team wants an MFA challenge based on risk of that sign-in event. The present case instead requires the specific risk dismissal versus confirmation change: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise.

Question 227

A legitimate employee was flagged for impossible travel while a protected network gateway altered location, and an investigator has verified a false positive. The proposed change is: Use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Review the risky-user record and confirm the selected remediation updates the user-risk state and subsequent sign-in behavior.
  2. Trace a suspicious event identifier from detection to sign-in result and observed user-risk state.
  3. Review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.
  4. Inspect risky sign-in details and confirm the policy challenge or block is tied to the evaluated sign-in risk.

Explanation

Correct Answer

C:

Review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise. Failure would be evident in this case: the user remains high risk because the analyst closed a helpdesk ticket without updating ID Protection risk state.

Incorrect Answers

A:

The proposed observation checks the different user risk remediation scenario. Even a successful test would not establish the requested outcome here: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.

B:

The proposed observation checks the different risk report investigation scenario. Even a successful test would not establish the requested outcome here: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.

D:

The proposed observation checks the different sign-in risk-based access scenario. Even a successful test would not establish the requested outcome here: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.

Question 228

The user remains high risk because the analyst closed a helpdesk ticket without updating ID Protection risk state. Which root cause best explains the described result rather than merely treating its symptoms?

  1. Sign-in risk concerns the current authentication attempt, which is distinct from the aggregate user risk assessment.
  2. A sign-in challenge alone did not resolve the separate user-risk condition requiring account-level remediation.
  3. Helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.
  4. Enabling the method itself does not enroll everyone; the campaign policy and scope control prompts.

Explanation

Correct Answer

C:

Helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra. This is the causal explanation of the observed behavior: the user remains high risk because the analyst closed a helpdesk ticket without updating ID Protection risk state. Address the underlying mechanism with: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise. Then confirm: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.

Incorrect Answers

A:

This diagnosis fits a separate sign-in risk-based access incident: An administrator reviews only the user's long-term risk label and misses a high-risk single sign-in event. It does not explain this case's observed failure; helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.

B:

This diagnosis fits a separate user risk remediation incident: An admin challenges only one sign-in with MFA but the high-risk user account remains flagged across subsequent sessions. It does not explain this case's observed failure; helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.

D:

This diagnosis fits a separate mfa registration campaign incident: No Authenticator registration prompt appears for users excluded from the campaign despite the method being enabled tenant-wide. It does not explain this case's observed failure; helpdesk ticket closure does not automatically dismiss the identity-risk detection in Entra.

Question 229

A legitimate employee was flagged for impossible travel while a protected network gateway altered location, and an investigator has verified a false positive. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Retain incident-specific evidence and distinguish risk detection from a confirmed compromise verdict.
  2. Monitor campaign completion and avoid removing fallback methods before eligible users can onboard.
  3. Test sign-in risk thresholds and remediation behavior without treating every unfamiliar location as compromise.
  4. Require supporting evidence and audit trail before dismissing risk rather than suppressing all future alerts.

Explanation

Correct Answer

D:

Require supporting evidence and audit trail before dismissing risk rather than suppressing all future alerts. This reduces future drift after the initial control is deployed: use the appropriate ID Protection dismiss-user-risk action with documented evidence rather than labeling confirmed compromise. Recheck the actual behavior with: review the risk event history and confirm the user's risk state is resolved as a safe investigation outcome.

Incorrect Answers

A:

This control manages future risk report investigation drift, but it does not reduce the continuing exposure in the described risk dismissal versus confirmation case. The correct safeguard is: require supporting evidence and audit trail before dismissing risk rather than suppressing all future alerts.

B:

This control manages future mfa registration campaign drift, but it does not reduce the continuing exposure in the described risk dismissal versus confirmation case. The correct safeguard is: require supporting evidence and audit trail before dismissing risk rather than suppressing all future alerts.

C:

This control manages future sign-in risk-based access drift, but it does not reduce the continuing exposure in the described risk dismissal versus confirmation case. The correct safeguard is: require supporting evidence and audit trail before dismissing risk rather than suppressing all future alerts.

Question 230

A SOC must determine whether a failed login burst is a single sign-in risk, account-level risk or unrelated application provisioning issue. Which proposed configuration or implementation directly meets the stated requirement?

  1. Configure an appropriate user-risk policy, such as requiring supported secure password change or blocking pending investigation.
  2. Correlate risky sign-ins, risky users, sign-in logs and relevant timestamps rather than treating one dashboard signal as complete.
  3. Configure an appropriate sign-in risk Conditional Access policy with the intended risk threshold and MFA or block response.
  4. Configure an appropriate Microsoft Authenticator registration campaign for eligible groups with controlled snooze and exclusions.

Explanation

Correct Answer

B:

Correlate risky sign-ins, risky users, sign-in logs and relevant timestamps rather than treating one dashboard signal as complete. The solution acts at the intended identity, policy or application scope. A successful result is testable: trace a suspicious event identifier from detection to sign-in result and observed user-risk state. The competing configuration error is: the team conflated one authentication-event risk rating with the broader account risk state.

Incorrect Answers

A:

That action implements the separate user risk remediation decision. It is appropriate when an identity is marked high user risk after leaked credentials are confirmed, and the team needs a governed remediation path. The present case instead requires the specific risk report investigation change: correlate risky sign-ins, risky users, sign-in logs and relevant timestamps rather than treating one dashboard signal as complete.

C:

That action implements the separate sign-in risk-based access decision. It is appropriate when a user signs in from an unfamiliar suspicious network, and the security team wants an MFA challenge based on risk of that sign-in event. The present case instead requires the specific risk report investigation change: correlate risky sign-ins, risky users, sign-in logs and relevant timestamps rather than treating one dashboard signal as complete.

D:

That action implements the separate mfa registration campaign decision. It is appropriate when the organization already allows Microsoft Authenticator but many users still use SMS and security wants a gradual supported registration prompt rather than instantly blocking all users. The present case instead requires the specific risk report investigation change: correlate risky sign-ins, risky users, sign-in logs and relevant timestamps rather than treating one dashboard signal as complete.


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