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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 20

Question 190

An app should allow only devices marked compliant by the organization's management policies, not simply any device registered in Microsoft Entra. Which proposed configuration or implementation directly meets the stated requirement?

  1. Configure the Conditional Access grant control combination to Require all selected controls for MFA and device compliance.
  2. Configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target.
  3. Target the app with a supported Conditional Access Require device to be marked as compliant grant control.
  4. Exclude designated emergency access identities from lockout-prone policy scope while hardening and monitoring the accounts separately.

Explanation

Correct Answer

C:

Target the app with a supported Conditional Access Require device to be marked as compliant grant control. The solution acts at the intended identity, policy or application scope. A successful result is testable: compare sign-in results from a merely registered device and a genuinely compliant managed device. The competing configuration error is: registration does not establish the device's management/compliance status required by Conditional Access.

Incorrect Answers

A:

That action implements the separate grant controls require all or one decision. It is appropriate when security requires BOTH multifactor authentication and compliant devices for a sensitive HR portal, not either control on its own. The present case instead requires the specific compliant device grant change: target the app with a supported Conditional Access Require device to be marked as compliant grant control.

B:

That action implements the separate sign-in frequency session control decision. It is appropriate when a regulated app needs reauthentication at an approved interval even if an existing browser session is still active. The present case instead requires the specific compliant device grant change: target the app with a supported Conditional Access Require device to be marked as compliant grant control.

D:

That action implements the separate protect emergency accounts from lockout decision. It is appropriate when an organization introduces a broad Conditional Access policy requiring compliant devices for all staff but must retain two carefully controlled emergency administrator paths. The present case instead requires the specific compliant device grant change: target the app with a supported Conditional Access Require device to be marked as compliant grant control.

Question 191

An app should allow only devices marked compliant by the organization's management policies, not simply any device registered in Microsoft Entra. The proposed change is: Target the app with a supported Conditional Access Require device to be marked as compliant grant control. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Compare the tool's applicable and nonapplicable policy output to an actual representative sign-in.
  2. Test MFA-only, compliant-device-only and both-controls sign-ins to confirm only the combined condition succeeds.
  3. Run a controlled emergency sign-in that would be blocked for normal users and verify the exempt account remains usable.
  4. Compare sign-in results from a merely registered device and a genuinely compliant managed device.

Explanation

Correct Answer

D:

Compare sign-in results from a merely registered device and a genuinely compliant managed device. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: target the app with a supported Conditional Access Require device to be marked as compliant grant control. Failure would be evident in this case: a registered personal laptop fails access despite having a recognizable Entra device object.

Incorrect Answers

A:

The proposed observation checks the different conditional access what if simulation scenario. Even a successful test would not establish the requested outcome here: compare sign-in results from a merely registered device and a genuinely compliant managed device.

B:

The proposed observation checks the different grant controls require all or one scenario. Even a successful test would not establish the requested outcome here: compare sign-in results from a merely registered device and a genuinely compliant managed device.

C:

The proposed observation checks the different protect emergency accounts from lockout scenario. Even a successful test would not establish the requested outcome here: compare sign-in results from a merely registered device and a genuinely compliant managed device.

Question 192

A registered personal laptop fails access despite having a recognizable Entra device object. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The policy included every emergency access identity without a separate verified break-glass path.
  2. Registration does not establish the device's management/compliance status required by Conditional Access.
  3. The What If tool does not fully model every resource dependency in an actual application sign-in.
  4. The grant policy was set to Require one of the selected controls rather than all.

Explanation

Correct Answer

B:

Registration does not establish the device's management/compliance status required by Conditional Access. This is the causal explanation of the observed behavior: a registered personal laptop fails access despite having a recognizable Entra device object. Address the underlying mechanism with: target the app with a supported Conditional Access Require device to be marked as compliant grant control. Then confirm: compare sign-in results from a merely registered device and a genuinely compliant managed device.

Incorrect Answers

A:

This diagnosis fits a separate protect emergency accounts from lockout incident: The tenant becomes difficult to administer after the only global administrator account is blocked by a newly enforced device policy. It does not explain this case's observed failure; registration does not establish the device's management/compliance status required by Conditional Access.

C:

This diagnosis fits a separate conditional access what if simulation incident: The What If result differs from an actual Teams sign-in because service-dependency policies were omitted from the simulated scenario. It does not explain this case's observed failure; registration does not establish the device's management/compliance status required by Conditional Access.

D:

This diagnosis fits a separate grant controls require all or one incident: A user with MFA on an unmanaged device can still access the portal under the claimed two-control rule. It does not explain this case's observed failure; registration does not establish the device's management/compliance status required by Conditional Access.

Question 193

An app should allow only devices marked compliant by the organization's management policies, not simply any device registered in Microsoft Entra. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Regularly test emergency access and alert on any use or unexpected changes to its exclusions.
  2. Review the logical AND/OR selection in policy change approval and verify both partial-condition tests.
  3. Revalidate Intune compliance and client support instead of broadening the access policy to all registered devices.
  4. Review approved key-model AAGUIDs and user registration policies when device suppliers or passkey capabilities change.

Explanation

Correct Answer

C:

Revalidate Intune compliance and client support instead of broadening the access policy to all registered devices. This reduces future drift after the initial control is deployed: target the app with a supported Conditional Access Require device to be marked as compliant grant control. Recheck the actual behavior with: compare sign-in results from a merely registered device and a genuinely compliant managed device.

Incorrect Answers

A:

This control manages future protect emergency accounts from lockout drift, but it does not reduce the continuing exposure in the described compliant device grant case. The correct safeguard is: revalidate Intune compliance and client support instead of broadening the access policy to all registered devices.

B:

This control manages future grant controls require all or one drift, but it does not reduce the continuing exposure in the described compliant device grant case. The correct safeguard is: revalidate Intune compliance and client support instead of broadening the access policy to all registered devices.

D:

This control manages future custom fido2 key attestation strength drift, but it does not reduce the continuing exposure in the described compliant device grant case. The correct safeguard is: revalidate Intune compliance and client support instead of broadening the access policy to all registered devices.

Question 194

A regulated app needs reauthentication at an approved interval even if an existing browser session is still active. Which proposed configuration or implementation directly meets the stated requirement?

  1. Configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target.
  2. Configure the Conditional Access grant control combination to Require all selected controls for MFA and device compliance.
  3. Target the app with a supported Conditional Access Require device to be marked as compliant grant control.
  4. Create a custom Conditional Access authentication strength allowing the approved FIDO2 AAGUID and target that custom strength to the privileged app.

Explanation

Correct Answer

A:

Configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target. The solution acts at the intended identity, policy or application scope. A successful result is testable: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior. The competing configuration error is: the Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session.

Incorrect Answers

B:

That action implements the separate grant controls require all or one decision. It is appropriate when security requires BOTH multifactor authentication and compliant devices for a sensitive HR portal, not either control on its own. The present case instead requires the specific sign-in frequency session control change: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target.

C:

That action implements the separate compliant device grant decision. It is appropriate when an app should allow only devices marked compliant by the organization's management policies, not simply any device registered in Microsoft Entra. The present case instead requires the specific sign-in frequency session control change: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target.

D:

That action implements the separate custom fido2 key attestation strength decision. It is appropriate when a privileged app already requires phishing-resistant MFA, but compliance permits only an approved FIDO2 security key model with a specified Authenticator Attestation GUID (AAGUID), not every phishing-resistant method. The present case instead requires the specific sign-in frequency session control change: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target.

Question 195

A regulated app needs reauthentication at an approved interval even if an existing browser session is still active. The proposed change is: Configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Test sign-ins from an approved corporate egress IP and an untrusted external IP and compare applied policy conditions.
  2. Compare sign-in results from a merely registered device and a genuinely compliant managed device.
  3. Observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.
  4. Disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

Explanation

Correct Answer

C:

Observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target. Failure would be evident in this case: users keep accessing a regulated app for long periods without a new authentication challenge as the business expected.

Incorrect Answers

A:

The proposed observation checks the different named locations and trusted network scenario. Even a successful test would not establish the requested outcome here: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.

B:

The proposed observation checks the different compliant device grant scenario. Even a successful test would not establish the requested outcome here: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.

D:

The proposed observation checks the different continuous access evaluation support scenario. Even a successful test would not establish the requested outcome here: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.

Question 196

Users keep accessing a regulated app for long periods without a new authentication challenge as the business expected. Which root cause best explains the described result rather than merely treating its symptoms?

  1. No protected action authentication context was applied to the sensitive administrative operation.
  2. Registration does not establish the device's management/compliance status required by Conditional Access.
  3. The Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session.
  4. The What If tool does not fully model every resource dependency in an actual application sign-in.

Explanation

Correct Answer

C:

The Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session. This is the causal explanation of the observed behavior: users keep accessing a regulated app for long periods without a new authentication challenge as the business expected. Address the underlying mechanism with: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target. Then confirm: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.

Incorrect Answers

A:

This diagnosis fits a separate protected action for policy modification incident: An already-signed-in administrator edits Conditional Access without the required extra verification. It does not explain this case's observed failure; the Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session.

B:

This diagnosis fits a separate compliant device grant incident: A registered personal laptop fails access despite having a recognizable Entra device object. It does not explain this case's observed failure; the Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session.

D:

This diagnosis fits a separate conditional access what if simulation incident: The What If result differs from an actual Teams sign-in because service-dependency policies were omitted from the simulated scenario. It does not explain this case's observed failure; the Conditional Access sign-in frequency requirement was not configured or not applicable to that app/client session.

Question 197

A regulated app needs reauthentication at an approved interval even if an existing browser session is still active. The initial implementation works. Which continuing control most directly prevents the same failure or drift from recurring?

  1. Regularly test emergency access and alert on any use or unexpected changes to its exclusions.
  2. Document expected prompt intervals and test application/client support after updates.
  3. Validate application context signaling and protected-object assignments after app changes.
  4. Revalidate Intune compliance and client support instead of broadening the access policy to all registered devices.

Explanation

Correct Answer

B:

Document expected prompt intervals and test application/client support after updates. This reduces future drift after the initial control is deployed: configure the Conditional Access sign-in frequency session control with an appropriate documented interval and app target. Recheck the actual behavior with: observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.

Incorrect Answers

A:

This control manages future protect emergency accounts from lockout drift, but it does not reduce the continuing exposure in the described sign-in frequency session control case. The correct safeguard is: document expected prompt intervals and test application/client support after updates.

C:

This control manages future authentication context for sensitive action drift, but it does not reduce the continuing exposure in the described sign-in frequency session control case. The correct safeguard is: document expected prompt intervals and test application/client support after updates.

D:

This control manages future compliant device grant drift, but it does not reduce the continuing exposure in the described sign-in frequency session control case. The correct safeguard is: document expected prompt intervals and test application/client support after updates.

Question 198

A security team wants to shorten the window in which eligible app sessions continue after a critical identity or policy event. Which proposed configuration or implementation directly meets the stated requirement?

  1. Define a supported authentication context and bind it to the sensitive action with a targeted Conditional Access policy.
  2. Use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation.
  3. Use the Conditional Access What If tool with the intended user, app, client and sign-in conditions.
  4. Configure the supported protected-action authentication-context requirement for the designated administrative operation.

Explanation

Correct Answer

B:

Use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation. The solution acts at the intended identity, policy or application scope. A successful result is testable: disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps. The competing configuration error is: the specific app/client resource does not support or honor the required CAE claims challenge and event handling.

Incorrect Answers

A:

That action implements the separate authentication context for sensitive action decision. It is appropriate when a document service needs to require stronger authentication only when a user opens payroll records, not when they merely sign in to the entire app. The present case instead requires the specific continuous access evaluation support change: use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation.

C:

That action implements the separate conditional access what if simulation decision. It is appropriate when administrators want to predict whether a specific pilot user accessing a cloud app from a named device platform matches their Conditional Access configuration. The present case instead requires the specific continuous access evaluation support change: use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation.

D:

That action implements the separate protected action for policy modification decision. It is appropriate when security requires additional step-up authentication before an administrator edits a sensitive Conditional Access policy. The present case instead requires the specific continuous access evaluation support change: use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation.

Question 199

A security team wants to shorten the window in which eligible app sessions continue after a critical identity or policy event. The proposed change is: Use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation. After applying the intended configuration, which observation most directly proves that the required behavior works?

  1. Attempt the policy change with a normal administrative session and with a qualifying step-up context.
  2. Test sign-ins from an approved corporate egress IP and an untrusted external IP and compare applied policy conditions.
  3. Observe a fresh sign-in after the interval while distinguishing it from persistent-browser behavior.
  4. Disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

Explanation

Correct Answer

D:

Disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps. This directly tests the effective outcome, not merely that a configuration exists. It establishes whether the intended change works: use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation. Failure would be evident in this case: a legacy client keeps using an unexpired access token after revocation despite a CAE deployment elsewhere.

Incorrect Answers

A:

The proposed observation checks the different protected action for policy modification scenario. Even a successful test would not establish the requested outcome here: disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

B:

The proposed observation checks the different named locations and trusted network scenario. Even a successful test would not establish the requested outcome here: disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

C:

The proposed observation checks the different sign-in frequency session control scenario. Even a successful test would not establish the requested outcome here: disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

Question 200

A legacy client keeps using an unexpired access token after revocation despite a CAE deployment elsewhere. Which root cause best explains the described result rather than merely treating its symptoms?

  1. The specific app/client resource does not support or honor the required CAE claims challenge and event handling.
  2. No protected action authentication context was applied to the sensitive administrative operation.
  3. The grant policy was set to Require one of the selected controls rather than all.
  4. The What If tool does not fully model every resource dependency in an actual application sign-in.

Explanation

Correct Answer

A:

The specific app/client resource does not support or honor the required CAE claims challenge and event handling. This is the causal explanation of the observed behavior: a legacy client keeps using an unexpired access token after revocation despite a CAE deployment elsewhere. Address the underlying mechanism with: use supported Continuous Access Evaluation-capable client/resource flows and verify the critical-event behavior rather than promising universal instant revocation. Then confirm: disable a test user and observe timely access reevaluation in a documented CAE-capable resource while separately testing other apps.

Incorrect Answers

B:

This diagnosis fits a separate protected action for policy modification incident: An already-signed-in administrator edits Conditional Access without the required extra verification. It does not explain this case's observed failure; the specific app/client resource does not support or honor the required CAE claims challenge and event handling.

C:

This diagnosis fits a separate grant controls require all or one incident: A user with MFA on an unmanaged device can still access the portal under the claimed two-control rule. It does not explain this case's observed failure; the specific app/client resource does not support or honor the required CAE claims challenge and event handling.

D:

This diagnosis fits a separate conditional access what if simulation incident: The What If result differs from an actual Teams sign-in because service-dependency policies were omitted from the simulated scenario. It does not explain this case's observed failure; the specific app/client resource does not support or honor the required CAE claims challenge and event handling.


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