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Microsoft SC-900 Bundle

Exam Code: SC-900

Exam Name Microsoft Security, Compliance, and Identity Fundamentals

Certification Provider: Microsoft

Corresponding Certification: Microsoft Certified: Security, Compliance, and Identity Fundamentals

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Microsoft SC-900 Practice Test 26

Question 250

At the Oakport national logistics provider, operators suspect an MFA failure but examine only user account attributes and never look at sign-in events. Which explanation best accounts for the concern?

  1. A valid cryptographic signature does not make a token intended for one audience valid for another application
  2. Identity profile data alone does not explain which authentication step or access rule denied a particular sign-in
  3. Broad access controls can create tenant-wide administrative lockout if all recovery identities are subject to the same failing dependency
  4. Independent review reduces the chance that one identity can self-authorize sensitive access

Explanation

Correct Answer

B:

The problem stems from the fact that identity profile data alone does not explain which authentication step or access rule denied a particular sign-in. A correct solution would inspect Microsoft Entra sign-in logs for method and policy outcome details and check that a recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result. This result addresses the stated challenge at the Oakport national logistics provider.

Incorrect Answers

A:

The case does not describe the failure mode involving token audience verification. Its core issue is that identity profile data alone does not explain which authentication step or access rule denied a particular sign-in. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

C:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that identity profile data alone does not explain which authentication step or access rule denied a particular sign-in. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

D:

Independent review reduces the chance that one identity can self-authorize sensitive access. That may occur elsewhere, but the evidence at the Oakport national logistics provider instead points to the fact that identity profile data alone does not explain which authentication step or access rule denied a particular sign-in.

Question 251

At the Oakport national logistics provider, operators suspect an MFA failure but examine only user account attributes and never look at sign-in events. Which test result best shows the requirement is met?

  1. A test password containing a prohibited organization term is rejected at change time
  2. A user with a directory-only role cannot modify Azure VM networking until the proper Azure RBAC role is assigned
  3. The operator reads the designated storage diagnostics while a write attempt on unrelated resources is denied
  4. A recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result

Explanation

Correct Answer

D:

The team can confirm the fix by showing that a recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result. This aligns with the corrective design to inspect Microsoft Entra sign-in logs for method and policy outcome details. This result addresses the stated challenge at the Oakport national logistics provider.

Incorrect Answers

A:

This verifies a separate issue in security administration. It does not prove that a recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result for the reported situation. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

B:

The cited result is too remote from the corrective action to inspect Microsoft Entra sign-in logs for method and policy outcome details. The direct evidence should show that a recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

C:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

Question 252

At the Oakport national logistics provider, operators suspect an MFA failure but examine only user account attributes and never look at sign-in events. Which ongoing control best prevents this issue from recurring?

  1. Audit authentication strength policies after enabling new sign-in methods
  2. Retain authorized sign-in diagnostic access and review it during incident response
  3. Review PIM activation policies and approver coverage periodically
  4. Review activation logs for missing or questionable justifications

Explanation

Correct Answer

B:

The needed prevention is to retain authorized sign-in diagnostic access and review it during incident response. It directly sustains the original change to inspect Microsoft Entra sign-in logs for method and policy outcome details. This result addresses the stated challenge at the Oakport national logistics provider.

Incorrect Answers

A:

That routine supports authentication strength conditional access, but the relevant ongoing risk requires the team to retain authorized sign-in diagnostic access and review it during incident response. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

C:

Review PIM activation policies and approver coverage periodically is not the primary recurring safeguard for this problem. The team should retain authorized sign-in diagnostic access and review it during incident response. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

D:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because identity profile data alone does not explain which authentication step or access rule denied a particular sign-in. For the Oakport national logistics provider, the direct corrective action is to inspect Microsoft Entra sign-in logs for method and policy outcome details.

Question 253

At the Dartwood digital media network, an employee's credentials are suspected compromised but operations only changes the user's password and ignores existing sessions. Which implementation choice best addresses the situation?

  1. Validate token issuer audience expiry and required claims at the relying application
  2. Treat access review recommendations as evidence to assess rather than automatic authorization
  3. Run access reviews for the sensitive group with accountable reviewers and applied decisions
  4. Use supported session revocation and account protection actions for the affected identity

Explanation

Correct Answer

D:

The primary failure mode is that a password reset alone does not necessarily invalidate every already-issued session token instantly. The proposed action directly fixes it by requiring the team to use supported session revocation and account protection actions for the affected identity; afterward, verify that a previously authorized test session loses access after the intended revocation and reauthentication policy. This result addresses the stated challenge at the Dartwood digital media network.

Incorrect Answers

A:

This alternative would be suitable where a valid cryptographic signature does not make a token intended for one audience valid for another application. It does not by itself resolve the need to use supported session revocation and account protection actions for the affected identity. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

B:

Treat access review recommendations as evidence to assess rather than automatic authorization addresses a different kind of problem: suggested decisions can guide reviewers but the accountable reviewer still needs to evaluate valid access. Here the reported weakness is that a password reset alone does not necessarily invalidate every already-issued session token instantly. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

C:

The option addresses the separate situation where role and group membership changes over time can outlive the business justification for access. For this case, the more appropriate response is to use supported session revocation and account protection actions for the affected identity. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

Question 254

At the Dartwood digital media network, an employee's credentials are suspected compromised but operations only changes the user's password and ignores existing sessions. What risk should the team identify as the primary issue?

  1. Properly configured self-service recovery can reduce helpdesk workload while verifying the user's recovery identity
  2. Request-based access can become excessive when an assignment has no enforced end time
  3. A password reset alone does not necessarily invalidate every already-issued session token instantly
  4. Identity synchronization and cloud sign-in validation are related but separate architectural decisions

Explanation

Correct Answer

C:

The evidence indicates that a password reset alone does not necessarily invalidate every already-issued session token instantly. The appropriate response is to use supported session revocation and account protection actions for the affected identity and demonstrate that a previously authorized test session loses access after the intended revocation and reauthentication policy. This result addresses the stated challenge at the Dartwood digital media network.

Incorrect Answers

A:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that a password reset alone does not necessarily invalidate every already-issued session token instantly. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

B:

Request-based access can become excessive when an assignment has no enforced end time. That may occur elsewhere, but the evidence at the Dartwood digital media network instead points to the fact that a password reset alone does not necessarily invalidate every already-issued session token instantly.

D:

Identity synchronization and cloud sign-in validation are related but separate architectural decisions. That is not the mechanism that accounts for the stated failure at the Dartwood digital media network.

Question 255

At the Dartwood digital media network, an employee's credentials are suspected compromised but operations only changes the user's password and ignores existing sessions. What is the strongest acceptance test for this change?

  1. An enrolled test user resets the account password through the approved verification flow
  2. A guarded emergency access rehearsal succeeds under documented exceptional conditions and produces an alert
  3. A previously authorized test session loses access after the intended revocation and reauthentication policy
  4. A risk review identifies the sign-in event and the user account as separate investigation targets

Explanation

Correct Answer

C:

This tests the real business behavior: a previously authorized test session loses access after the intended revocation and reauthentication policy. It specifically checks whether the risk that a password reset alone does not necessarily invalidate every already-issued session token instantly has been reduced. This result addresses the stated challenge at the Dartwood digital media network.

Incorrect Answers

A:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a previously authorized test session loses access after the intended revocation and reauthentication policy. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

B:

At the Dartwood digital media network, a result about conditional access emergency access would not show that the team corrected the failure where a password reset alone does not necessarily invalidate every already-issued session token instantly.

D:

This result would validate sign-in risk versus user risk, not the intended improvement. The needed observation is that a previously authorized test session loses access after the intended revocation and reauthentication policy. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

Question 256

At the Dartwood digital media network, an employee's credentials are suspected compromised but operations only changes the user's password and ignores existing sessions. Which setting or practice should be reviewed in future?

  1. Audit authentication policy to avoid confusing repeated knowledge checks with MFA
  2. Audit guest sponsors and stale invitation states periodically
  3. Practice account containment procedures during identity incident drills
  4. Review custom role definitions after services add operations

Explanation

Correct Answer

C:

The team should practice account containment procedures during identity incident drills. That recurring practice targets the same weakness, namely that a password reset alone does not necessarily invalidate every already-issued session token instantly. This result addresses the stated challenge at the Dartwood digital media network.

Incorrect Answers

A:

Audit authentication policy to avoid confusing repeated knowledge checks with MFA is not the primary recurring safeguard for this problem. The team should practice account containment procedures during identity incident drills. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

B:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because a password reset alone does not necessarily invalidate every already-issued session token instantly. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

D:

Although the proposed practice may address cases where role design should match actual permitted actions rather than copying the broadest available administrator, it does not maintain the specific correction here. For the Dartwood digital media network, the direct corrective action is to use supported session revocation and account protection actions for the affected identity.

Question 257

At the Silverport national logistics provider, an application accepts a signed identity token issued for a different resource as if it authorized access to its own API. Which corrective action best meets the requirement?

  1. Configure Microsoft Entra authentication methods policies for eligible groups and methods
  2. Configure Microsoft Entra Privileged Identity Management eligible role activation with approval as required
  3. Pair identity governance with a suitable Microsoft Purview data loss prevention policy for content movement
  4. Validate token issuer audience expiry and required claims at the relying application

Explanation

Correct Answer

D:

For the Silverport national logistics provider, the appropriate correction is to validate token issuer audience expiry and required claims at the relying application. The decisive reason is that a valid cryptographic signature does not make a token intended for one audience valid for another application; acceptance evidence is that a token for an unrelated API is rejected while a correct-audience token is accepted.

Incorrect Answers

A:

The option addresses the separate situation where authentication methods require governance over which proofs users may enroll and use. For this case, the more appropriate response is to validate token issuer audience expiry and required claims at the relying application. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

B:

This focuses on privileged identity management eligible roles; it does not directly correct the condition that a valid cryptographic signature does not make a token intended for one audience valid for another application. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

C:

Pair identity governance with a suitable Microsoft Purview data loss prevention policy for content movement can be useful for another workload, but it leaves the immediate failure unresolved. Here the priority is to validate token issuer audience expiry and required claims at the relying application. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

Question 258

At the Silverport national logistics provider, an application accepts a signed identity token issued for a different resource as if it authorized access to its own API. Which underlying issue most directly explains this situation?

  1. A time-limited bootstrap credential can support method registration without restoring broad permanent legacy authentication
  2. A valid cryptographic signature does not make a token intended for one audience valid for another application
  3. PIM limits persistent privileges by controlling when an eligible user activates an elevated role
  4. Broad access controls can create tenant-wide administrative lockout if all recovery identities are subject to the same failing dependency

Explanation

Correct Answer

B:

The specific data failure is that a valid cryptographic signature does not make a token intended for one audience valid for another application. It can be addressed through the controlled change to validate token issuer audience expiry and required claims at the relying application. This result addresses the stated challenge at the Silverport national logistics provider.

Incorrect Answers

A:

The proposed cause is relevant to temporary access pass recovery, but it does not explain why a valid cryptographic signature does not make a token intended for one audience valid for another application in the reported case. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

C:

The case does not describe the failure mode involving privileged identity management eligible roles. Its core issue is that a valid cryptographic signature does not make a token intended for one audience valid for another application. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

D:

Although broad access controls can create tenant-wide administrative lockout if all recovery identities are subject to the same failing dependency, the presented symptoms do not support that as the primary cause; they indicate that a valid cryptographic signature does not make a token intended for one audience valid for another application. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

Question 259

At the Silverport national logistics provider, an application accepts a signed identity token issued for a different resource as if it authorized access to its own API. What evidence would justify considering this concern addressed?

  1. A token for an unrelated API is rejected while a correct-audience token is accepted
  2. An enrolled test user resets the account password through the approved verification flow
  3. A risk review identifies the sign-in event and the user account as separate investigation targets
  4. A seeded risk scenario appears in the appropriate sign-in risk investigation view

Explanation

Correct Answer

A:

This tests the real business behavior: a token for an unrelated API is rejected while a correct-audience token is accepted. It specifically checks whether the risk that a valid cryptographic signature does not make a token intended for one audience valid for another application has been reduced. This result addresses the stated challenge at the Silverport national logistics provider.

Incorrect Answers

B:

This result would validate self-service password reset, not the intended improvement. The needed observation is that a token for an unrelated API is rejected while a correct-audience token is accepted. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

C:

This verifies a separate issue in security administration. It does not prove that a token for an unrelated API is rejected while a correct-audience token is accepted for the reported situation. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

D:

The cited result is too remote from the corrective action to validate token issuer audience expiry and required claims at the relying application. The direct evidence should show that a token for an unrelated API is rejected while a correct-audience token is accepted. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

Question 260

At the Silverport national logistics provider, an application accepts a signed identity token issued for a different resource as if it authorized access to its own API. How should the organization sustain the improvement?

  1. Retest token validation after authentication library upgrades
  2. Practice account containment procedures during identity incident drills
  3. Review package owners and approval policies as projects close
  4. Verify activation authentication conditions after MFA method changes

Explanation

Correct Answer

A:

The team should retest token validation after authentication library upgrades. That recurring practice targets the same weakness, namely that a valid cryptographic signature does not make a token intended for one audience valid for another application. This result addresses the stated challenge at the Silverport national logistics provider.

Incorrect Answers

B:

Although the proposed practice may address cases where a password reset alone does not necessarily invalidate every already-issued session token instantly, it does not maintain the specific correction here. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

C:

That routine supports identity governance entitlement management, but the relevant ongoing risk requires the team to retest token validation after authentication library upgrades. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.

D:

The suggested review does not track the condition behind the incident. Sustained improvement requires the team to retest token validation after authentication library upgrades. For the Silverport national logistics provider, the direct corrective action is to validate token issuer audience expiry and required claims at the relying application.