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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 10

Question 90

At the Quayside university IT office, a company assumes traditional Windows domain controllers are identical to a cloud-only identity service. Which underlying issue most directly explains this situation?

  1. AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature
  2. Group-based authorization can make membership-based access easier to review than scattered individual grants
  3. A cryptographic hash is intended to support comparison and integrity checks rather than restore the original message
  4. Meeting a compliance reporting obligation does not alone prove that the underlying threat exposure has been removed

Explanation

Correct Answer

A:

The evidence indicates that AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature. The appropriate response is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality and demonstrate that an architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID. This result addresses the stated challenge at the Quayside university IT office.

Incorrect Answers

B:

Group-based authorization can make membership-based access easier to review than scattered individual grants. That is not the mechanism that accounts for the stated failure at the Quayside university IT office.

C:

The case does not describe the failure mode involving hashing versus encryption. Its core issue is that AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

D:

Although meeting a compliance reporting obligation does not alone prove that the underlying threat exposure has been removed, the presented symptoms do not support that as the primary cause; they indicate that AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

Question 91

At the Quayside university IT office, a company assumes traditional Windows domain controllers are identical to a cloud-only identity service. What evidence would justify considering this concern addressed?

  1. An architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID
  2. An approved user accesses a resource from an allowed location while an unauthorized identity is blocked on the corporate network
  3. A compromised VPN session without required identity and device conditions cannot access the protected resource
  4. A risk workshop maps downtime to availability and an unauthorized data read to confidentiality

Explanation

Correct Answer

A:

This tests the real business behavior: an architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID. It specifically checks whether the risk that AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature has been reduced. This result addresses the stated challenge at the Quayside university IT office.

Incorrect Answers

B:

This result would validate identity as security perimeter, not the intended improvement. The needed observation is that an architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

C:

This verifies a separate issue in security administration. It does not prove that an architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID for the reported situation. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

D:

The cited result is too remote from the corrective action to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality. The direct evidence should show that an architecture diagram places domain-controller dependencies on AD DS and cloud sign-in responsibilities on Entra ID. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

Question 92

At the Quayside university IT office, a company assumes traditional Windows domain controllers are identical to a cloud-only identity service. How should the organization sustain the improvement?

  1. Review directory service dependencies before changing authentication infrastructure
  2. Test expected role and audience claims after application registration changes
  3. Test policy enforcement as systems and identity methods change
  4. Test lateral movement controls when new internal networks are connected

Explanation

Correct Answer

A:

The team should review directory service dependencies before changing authentication infrastructure. That recurring practice targets the same weakness, namely that AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature. This result addresses the stated challenge at the Quayside university IT office.

Incorrect Answers

B:

Although the proposed practice may address cases where a valid identity token proves a trusted assertion but authorization depends on the claims and policies actually present, it does not maintain the specific correction here. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

C:

That routine supports policies versus controls, but the relevant ongoing risk requires the team to review directory service dependencies before changing authentication infrastructure. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

D:

The suggested review does not track the condition behind the incident. Sustained improvement requires the team to review directory service dependencies before changing authentication infrastructure. For the Quayside university IT office, the direct corrective action is to distinguish on-premises Active Directory Domain Services domain capabilities from cloud identity functionality.

Question 93

At the Cedarport energy utility, a partner organization must sign in to an external application using identities issued by its own organization. Which approach best resolves the identified risk?

  1. Establish a supported federated trust so a relying application accepts assertions from the partner identity provider
  2. Use a directory service to manage identities and their properties group membership and related lookup data
  3. Treat physical datacenter facility security as the cloud provider responsibility under the shared responsibility model
  4. Implement enforceable technical and operational controls to support the written policy

Explanation

Correct Answer

A:

The reported facts support this change rather than a general platform replacement. The team should establish a supported federated trust so a relying application accepts assertions from the partner identity provider because federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. A suitable test confirms that a partner user authenticates with the partner's provider and receives access only to the agreed application. This result addresses the stated challenge at the Cedarport energy utility.

Incorrect Answers

B:

The suggested action is to use a directory service to manage identities and their properties group membership and related lookup data, but the facts at the Cedarport energy utility require a correction for the distinct problem that federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials.

C:

This alternative would be suitable where the provider operates the physical facilities while customers govern their deployed identities configurations and data. It does not by itself resolve the need to establish a supported federated trust so a relying application accepts assertions from the partner identity provider. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

D:

Implement enforceable technical and operational controls to support the written policy addresses a different kind of problem: a policy communicates a requirement but does not itself configure or verify compliant system behavior. Here the reported weakness is that federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

Question 94

At the Cedarport energy utility, a partner organization must sign in to an external application using identities issued by its own organization. Which explanation best accounts for the concern?

  1. AD DS provides traditional domain and directory features that are not interchangeable with every Microsoft Entra ID feature
  2. Unlabeled data may still contain information that merits confidentiality or retention controls
  3. Cloud infrastructure management does not ordinarily include patching the customer-controlled IaaS guest operating system
  4. Federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials

Explanation

Correct Answer

D:

This identifies the root issue: federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. At the Cedarport energy utility, the team should therefore establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

Incorrect Answers

A:

The case does not describe the failure mode involving active directory domain services role. Its core issue is that federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

B:

Although unlabeled data may still contain information that merits confidentiality or retention controls, the presented symptoms do not support that as the primary cause; they indicate that federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

C:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

Question 95

At the Cedarport energy utility, a partner organization must sign in to an external application using identities issued by its own organization. Which test result best shows the requirement is met?

  1. A signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked
  2. An intentionally weakened test configuration is identified as noncompliant and assigned remediation
  3. The cloud service responsibility document places physical facility protection with the provider and user access configuration with the customer
  4. A partner user authenticates with the partner's provider and receives access only to the agreed application

Explanation

Correct Answer

D:

The team can confirm the fix by showing that a partner user authenticates with the partner's provider and receives access only to the agreed application. This aligns with the corrective design to establish a supported federated trust so a relying application accepts assertions from the partner identity provider. This result addresses the stated challenge at the Cedarport energy utility.

Incorrect Answers

A:

This verifies a separate issue in security administration. It does not prove that a partner user authenticates with the partner's provider and receives access only to the agreed application for the reported situation. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

B:

The cited result is too remote from the corrective action to establish a supported federated trust so a relying application accepts assertions from the partner identity provider. The direct evidence should show that a partner user authenticates with the partner's provider and receives access only to the agreed application. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

C:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a partner user authenticates with the partner's provider and receives access only to the agreed application. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

Question 96

At the Cedarport energy utility, a partner organization must sign in to an external application using identities issued by its own organization. Which ongoing control best prevents this issue from recurring?

  1. Monitor federation certificate and trust changes during partner onboarding
  2. Recertify application role scopes when functions change
  3. Review baseline exceptions and drift after deployments
  4. Update requirement classifications when business jurisdictions change

Explanation

Correct Answer

A:

The continuing safeguard is to monitor federation certificate and trust changes during partner onboarding. It helps avoid the original condition: federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. This result addresses the stated challenge at the Cedarport energy utility.

Incorrect Answers

B:

The suggested review does not track the condition behind the incident. Sustained improvement requires the team to monitor federation certificate and trust changes during partner onboarding. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

C:

Review baseline exceptions and drift after deployments is not the primary recurring safeguard for this problem. The team should monitor federation certificate and trust changes during partner onboarding. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

D:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because federation allows separate identity systems to cooperate without requiring every application to store every external user's credentials. For the Cedarport energy utility, the direct corrective action is to establish a supported federated trust so a relying application accepts assertions from the partner identity provider.

Question 97

At the Pinecrest university IT office, a worker is asked to re-enter their credentials separately for several applications that already trust the same provider. Which implementation choice best addresses the situation?

  1. Use a directory service to manage identities and their properties group membership and related lookup data
  2. Distinguish legally binding requirements from organizational policies and voluntary or contractual standards
  3. Configure supported single sign-on so a valid identity session can be reused across trusted applications
  4. Assess risk using relevant likelihood and impact factors before selecting mitigations

Explanation

Correct Answer

C:

This is the direct security or compliance remedy: configure supported single sign-on so a valid identity session can be reused across trusted applications. The observed risk is that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions; a passing acceptance check would show that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. This result addresses the stated challenge at the Pinecrest university IT office.

Incorrect Answers

A:

This alternative would be suitable where a directory provides organized identity objects and attributes rather than merely an application password prompt. It does not by itself resolve the need to configure supported single sign-on so a valid identity session can be reused across trusted applications. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

B:

Distinguish legally binding requirements from organizational policies and voluntary or contractual standards addresses a different kind of problem: an internal or industry security standard does not automatically have the same legal authority as a statute. Here the reported weakness is that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

D:

This focuses on security risk assessment likelihood impact; it does not directly correct the condition that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

Question 98

At the Pinecrest university IT office, a worker is asked to re-enter their credentials separately for several applications that already trust the same provider. What risk should the team identify as the primary issue?

  1. Automated applications require independently managed identities rather than reliance on a human employee session
  2. Meeting a compliance reporting obligation does not alone prove that the underlying threat exposure has been removed
  3. SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions
  4. Zero Trust rejects implicit trust based solely on a network location

Explanation

Correct Answer

C:

The evidence indicates that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. The appropriate response is to configure supported single sign-on so a valid identity session can be reused across trusted applications and demonstrate that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. This result addresses the stated challenge at the Pinecrest university IT office.

Incorrect Answers

A:

This explanation belongs to a different security or compliance situation. In this case, the observable gap is that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

B:

Meeting a compliance reporting obligation does not alone prove that the underlying threat exposure has been removed. That may occur elsewhere, but the evidence at the Pinecrest university IT office instead points to the fact that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions.

D:

Zero Trust rejects implicit trust based solely on a network location. That is not the mechanism that accounts for the stated failure at the Pinecrest university IT office.

Question 99

At the Pinecrest university IT office, a worker is asked to re-enter their credentials separately for several applications that already trust the same provider. What is the strongest acceptance test for this change?

  1. Two approved applications accept the organization's trusted identity provider without copying the user's password into each app
  2. A signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked
  3. A risk workshop maps downtime to availability and an unauthorized data read to confidentiality
  4. A documented test confirms the intended key ownership and decryption or signature verification behavior

Explanation

Correct Answer

B:

The team can confirm the fix by showing that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. This aligns with the corrective design to configure supported single sign-on so a valid identity session can be reused across trusted applications. This result addresses the stated challenge at the Pinecrest university IT office.

Incorrect Answers

A:

That observation may be useful for another security or compliance workflow, but the current acceptance test must demonstrate that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

C:

The alternative checks whether a risk workshop maps downtime to availability and an unauthorized data read to confidentiality, which is not the direct acceptance criterion for the stated problem. The required result is that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

D:

This result would validate symmetric versus asymmetric keys, not the intended improvement. The needed observation is that a signed-in user opens a second authorized application without another password prompt while an unauthorized app remains blocked. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

Question 100

At the Pinecrest university IT office, a worker is asked to re-enter their credentials separately for several applications that already trust the same provider. Which setting or practice should be reviewed in future?

  1. Review identity policies as cloud and remote access expand
  2. Reevaluate access signals as employee devices and remote work patterns change
  3. Recheck SSO trust and session behavior after application updates
  4. Review provider and customer responsibilities whenever subscribing to a new cloud service

Explanation

Correct Answer

C:

The team should recheck SSO trust and session behavior after application updates. That recurring practice targets the same weakness, namely that SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. This result addresses the stated challenge at the Pinecrest university IT office.

Incorrect Answers

A:

Review identity policies as cloud and remote access expand is not the primary recurring safeguard for this problem. The team should recheck SSO trust and session behavior after application updates. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

B:

This is a maintenance action for a different security or compliance situation, rather than the one that originally failed because SSO reduces repeated sign-in prompts through a trusted identity session rather than giving users more permissions. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.

D:

Although the proposed practice may address cases where in a SaaS arrangement the provider manages the service stack but the customer remains accountable for its data and authorized users, it does not maintain the specific correction here. For the Pinecrest university IT office, the direct corrective action is to configure supported single sign-on so a valid identity session can be reused across trusted applications.