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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 20

Question 190

At the Riverbrook professional services partnership, old application service principals remain active after the applications are decommissioned. Which explanation best accounts for the concern?

  1. Inactive workload identities can retain permissions even after their original business purpose ends
  2. Cloud and on-premises directories need an explicit synchronization approach rather than assuming identical user objects exist automatically
  3. Some identity access features require additional Entra licensing beyond basic directory service
  4. Properly configured self-service recovery can reduce helpdesk workload while verifying the user's recovery identity

Explanation

Correct Answer

A:

The strongest explanation is that inactive workload identities can retain permissions even after their original business purpose ends. This accounts for the outcome and supports the action to inventory and retire unused Microsoft Entra enterprise applications and their service principals. This result addresses the stated challenge at the Riverbrook professional services partnership.

Incorrect Answers

B:

Although cloud and on-premises directories need an explicit synchronization approach rather than assuming identical user objects exist automatically, the presented symptoms do not support that as the primary cause; they indicate that inactive workload identities can retain permissions even after their original business purpose ends. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

C:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that inactive workload identities can retain permissions even after their original business purpose ends. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

D:

Properly configured self-service recovery can reduce helpdesk workload while verifying the user's recovery identity. That may occur elsewhere, but the evidence at the Riverbrook professional services partnership instead points to the fact that inactive workload identities can retain permissions even after their original business purpose ends.

Question 191

At the Riverbrook professional services partnership, old application service principals remain active after the applications are decommissioned. Which test result best shows the requirement is met?

  1. The service principal performs its approved operation and receives denial for an unrelated resource
  2. A registered pilot user completes an approved passwordless Authenticator sign-in
  3. A previously authorized test session loses access after the intended revocation and reauthentication policy
  4. A decommissioned test app no longer receives tokens or accesses the previously granted resource

Explanation

Correct Answer

D:

The team can confirm the fix by showing that a decommissioned test app no longer receives tokens or accesses the previously granted resource. This aligns with the corrective design to inventory and retire unused Microsoft Entra enterprise applications and their service principals. This result addresses the stated challenge at the Riverbrook professional services partnership.

Incorrect Answers

A:

This verifies a separate issue in security administration. It does not prove that a decommissioned test app no longer receives tokens or accesses the previously granted resource for the reported situation. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

B:

The cited result is too remote from the corrective action to inventory and retire unused Microsoft Entra enterprise applications and their service principals. The direct evidence should show that a decommissioned test app no longer receives tokens or accesses the previously granted resource. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

C:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a decommissioned test app no longer receives tokens or accesses the previously granted resource. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

Question 192

At the Riverbrook professional services partnership, old application service principals remain active after the applications are decommissioned. Which ongoing control best prevents this issue from recurring?

  1. Review stale enterprise apps and owner assignments each quarter
  2. Rotate workload credentials and review application permissions periodically
  3. Reconcile eligible and active assignments after privileged staffing changes
  4. Practice account containment procedures during identity incident drills

Explanation

Correct Answer

A:

The continuing safeguard is to review stale enterprise apps and owner assignments each quarter. It helps avoid the original condition: inactive workload identities can retain permissions even after their original business purpose ends. This result addresses the stated challenge at the Riverbrook professional services partnership.

Incorrect Answers

B:

The suggested review does not track the condition behind the incident. Sustained improvement requires the team to review stale enterprise apps and owner assignments each quarter. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

C:

Reconcile eligible and active assignments after privileged staffing changes is not the primary recurring safeguard for this problem. The team should review stale enterprise apps and owner assignments each quarter. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

D:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because inactive workload identities can retain permissions even after their original business purpose ends. For the Riverbrook professional services partnership, the direct corrective action is to inventory and retire unused Microsoft Entra enterprise applications and their service principals.

Question 193

At the Foxhaven transportation company, a company requires phishing-resistant passwordless user sign-in but its proposed method is a reusable emailed code. Which implementation choice best addresses the situation?

  1. Use Microsoft Entra Password Protection policies and appropriate banned password lists
  2. Use an appropriate supported custom role or smaller built-in roles according to the permission requirements
  3. Deploy a supported FIDO2 security key or appropriate passkey method for eligible users
  4. Inventory and retire unused Microsoft Entra enterprise applications and their service principals

Explanation

Correct Answer

C:

This is the direct security or compliance remedy: deploy a supported FIDO2 security key or appropriate passkey method for eligible users. The observed risk is that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret; a passing acceptance check would show that a pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication. This result addresses the stated challenge at the Foxhaven transportation company.

Incorrect Answers

A:

This alternative would be suitable where password length alone does not rule out common or organization-specific guessable passwords. It does not by itself resolve the need to deploy a supported FIDO2 security key or appropriate passkey method for eligible users. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

B:

Use an appropriate supported custom role or smaller built-in roles according to the permission requirements addresses a different kind of problem: role design should match actual permitted actions rather than copying the broadest available administrator. Here the reported weakness is that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

D:

This focuses on identity object cleanup; it does not directly correct the condition that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

Question 194

At the Foxhaven transportation company, a company requires phishing-resistant passwordless user sign-in but its proposed method is a reusable emailed code. What risk should the team identify as the primary issue?

  1. Not every MFA method delivers the same assurance against credential interception and phishing
  2. Advanced risk evaluation and response policies require supported subscription capabilities and correct scope
  3. Some identity access features require additional Entra licensing beyond basic directory service
  4. FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret

Explanation

Correct Answer

D:

The specific data failure is that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret. It can be addressed through the controlled change to deploy a supported FIDO2 security key or appropriate passkey method for eligible users. This result addresses the stated challenge at the Foxhaven transportation company.

Incorrect Answers

A:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

B:

Advanced risk evaluation and response policies require supported subscription capabilities and correct scope. That may occur elsewhere, but the evidence at the Foxhaven transportation company instead points to the fact that FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret.

C:

The proposed cause is relevant to conditional access licensing recognition, but it does not explain why FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret in the reported case. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

Question 195

At the Foxhaven transportation company, a company requires phishing-resistant passwordless user sign-in but its proposed method is a reusable emailed code. What is the strongest acceptance test for this change?

  1. A recorded pilot sign-in failure identifies the relevant authentication or Conditional Access result
  2. A pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication
  3. A licensing check confirms the required policy capability is available for the targeted users
  4. A simulated target user shows the expected policy outcome before the real policy is enforced

Explanation

Correct Answer

B:

The team can confirm the fix by showing that a pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication. This aligns with the corrective design to deploy a supported FIDO2 security key or appropriate passkey method for eligible users. This result addresses the stated challenge at the Foxhaven transportation company.

Incorrect Answers

A:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

C:

The alternative checks whether a licensing check confirms the required policy capability is available for the targeted users, which is not the direct acceptance criterion for the stated problem. The required result is that a pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

D:

This result would validate conditional access what-if testing, not the intended improvement. The needed observation is that a pilot user signs in using the registered security key and a spoofed-origin attempt fails authentication. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

Question 196

At the Foxhaven transportation company, a company requires phishing-resistant passwordless user sign-in but its proposed method is a reusable emailed code. Which setting or practice should be reviewed in future?

  1. Review passkey enrollment and recovery methods during rollout
  2. Monitor registration coverage and recovery requests during deployment
  3. Review user-risk resolutions and confirmed compromises after investigations
  4. Review package owners and approval policies as projects close

Explanation

Correct Answer

A:

After implementation, the team should review passkey enrollment and recovery methods during rollout as the appropriate recurring safeguard against the identified issue. This result addresses the stated challenge at the Foxhaven transportation company.

Incorrect Answers

B:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because FIDO2 public-key authentication binds the sign-in ceremony to a legitimate relying party rather than relying on a reusable shared secret. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

C:

The option would have the team review user-risk resolutions and confirmed compromises after investigations. For this situation, the preventive control should instead be to review passkey enrollment and recovery methods during rollout. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

D:

Although the proposed practice may address cases where access packages can provide governed requestable collections of permissions with lifecycle controls, it does not maintain the specific correction here. For the Foxhaven transportation company, the direct corrective action is to deploy a supported FIDO2 security key or appropriate passkey method for eligible users.

Question 197

At the Whitford professional services partnership, mobile employees want supported passwordless sign-in through Microsoft Authenticator rather than typing a reused password. Which corrective action best meets the requirement?

  1. Prefer phishing-resistant authentication methods when the threat model requires origin-bound protection
  2. Pair identity governance with a suitable Microsoft Purview data loss prevention policy for content movement
  3. Use a Conditional Access grant condition requiring a compliant device for the targeted application
  4. Enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy

Explanation

Correct Answer

D:

For the Whitford professional services partnership, the appropriate correction is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy. The decisive reason is that supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session; acceptance evidence is that a registered pilot user completes an approved passwordless Authenticator sign-in.

Incorrect Answers

A:

The option addresses the separate situation where one-time codes relayed by a deceptive site do not provide the same phishing resistance as origin-bound public-key authentication. For this case, the more appropriate response is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

B:

This focuses on identity governance versus data dlp; it does not directly correct the condition that supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

C:

Use a Conditional Access grant condition requiring a compliant device for the targeted application can be useful for another workload, but it leaves the immediate failure unresolved. Here the priority is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

Question 198

At the Whitford professional services partnership, mobile employees want supported passwordless sign-in through Microsoft Authenticator rather than typing a reused password. Which underlying issue most directly explains this situation?

  1. Supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session
  2. A time-limited bootstrap credential can support method registration without restoring broad permanent legacy authentication
  3. A system-assigned managed identity is bound to a particular resource lifetime whereas a user-assigned one has its own lifecycle
  4. Directory management rights and Azure resource management are separate permission systems

Explanation

Correct Answer

A:

The evidence indicates that supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session. The appropriate response is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy and demonstrate that a registered pilot user completes an approved passwordless Authenticator sign-in. This result addresses the stated challenge at the Whitford professional services partnership.

Incorrect Answers

B:

A time-limited bootstrap credential can support method registration without restoring broad permanent legacy authentication. That is not the mechanism that accounts for the stated failure at the Whitford professional services partnership.

C:

The case does not describe the failure mode involving system-assigned versus user-assigned identity. Its core issue is that supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

D:

Although directory management rights and Azure resource management are separate permission systems, the presented symptoms do not support that as the primary cause; they indicate that supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

Question 199

At the Whitford professional services partnership, mobile employees want supported passwordless sign-in through Microsoft Authenticator rather than typing a reused password. What evidence would justify considering this concern addressed?

  1. A test recovery user registers a new strong method using the bounded access pass before it expires
  2. An assigned employee enters the app while an unassigned user from the same tenant is denied
  3. A registered pilot user completes an approved passwordless Authenticator sign-in
  4. The service principal performs its approved operation and receives denial for an unrelated resource

Explanation

Correct Answer

C:

At the Whitford professional services partnership, evidence that a registered pilot user completes an approved passwordless Authenticator sign-in directly validates the correction, instead of testing a neighboring service.

Incorrect Answers

A:

The alternative checks whether a test recovery user registers a new strong method using the bounded access pass before it expires, which is not the direct acceptance criterion for the stated problem. The required result is that a registered pilot user completes an approved passwordless Authenticator sign-in. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

B:

This result would validate app role assignment authorization, not the intended improvement. The needed observation is that a registered pilot user completes an approved passwordless Authenticator sign-in. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

D:

The cited result is too remote from the corrective action to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy. The direct evidence should show that a registered pilot user completes an approved passwordless Authenticator sign-in. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

Question 200

At the Whitford professional services partnership, mobile employees want supported passwordless sign-in through Microsoft Authenticator rather than typing a reused password. How should the organization sustain the improvement?

  1. Monitor registration coverage and recovery requests during deployment
  2. Review managed identity permissions and resource ownership after redeployment
  3. Review authentication method policy and device registration after workforce changes
  4. Review activation logs for missing or questionable justifications

Explanation

Correct Answer

C:

The continuing safeguard is to review authentication method policy and device registration after workforce changes. It helps avoid the original condition: supported passwordless authentication can use device-bound proof and verification rather than requiring a typed password every session. This result addresses the stated challenge at the Whitford professional services partnership.

Incorrect Answers

A:

The option would have the team monitor registration coverage and recovery requests during deployment. For this situation, the preventive control should instead be to review authentication method policy and device registration after workforce changes. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

B:

Although the proposed practice may address cases where managed identities let supported Azure resources obtain tokens without handling their own stored application secrets, it does not maintain the specific correction here. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.

D:

The suggested review does not track the condition behind the incident. Sustained improvement requires the team to review authentication method policy and device registration after workforce changes. For the Whitford professional services partnership, the direct corrective action is to enable the eligible Microsoft Authenticator passwordless sign-in method under organizational policy.