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Microsoft AB-900 Practice Test 19

Question 180

An API requires an employee's own consent-scoped data and must not operate as a tenant-wide service. Which administration choice BEST meets this requirement?

  1. Configure the application's registration and redirect settings.
  2. Require assignment to the enterprise application service principal.
  3. Use delegated permission scopes for the signed-in user.
  4. Configure approved application permissions for the workload principal.

Explanation

Correct Answer

C:

Delegated scopes act under user identity and permissions. This directly addresses per-user API authorization.

Incorrect Answers

A:

App registration defines the OAuth/OIDC client identity. That addresses initial app integration configuration, whereas the current case requires per-user API authorization.

B:

Enterprise app assignments govern permitted organizational access. It is used for targeted enterprise application usage; this scenario calls for per-user API authorization.

D:

App-only grants permit background operations within authorized scope. It is used for unattended app API execution; this scenario calls for per-user API authorization.

Question 181

Administrators need to restrict passwordless authentication eligibility by workforce cohort. How should the administrator address this situation?

  1. Review the PIM eligible and active role assignment states.
  2. Use group-based license assignment.
  3. Define approved named locations in Conditional Access.
  4. Scope authentication methods policies to approved groups.

Explanation

Correct Answer

D:

Authentication method policy governs permitted method populations. This directly addresses targeted stronger authentication enrollment.

Incorrect Answers

A:

Eligibility indicates potential activation; active state indicates current authority. Its purpose is accurate temporary privilege state; the specified need is targeted stronger authentication enrollment.

B:

Directory membership can trigger license assignment and removal. It would support lifecycle-based license provisioning, not the stated targeted stronger authentication enrollment.

C:

Named locations provide reusable network context for sign-in conditions. Its purpose is trusted office network classification; the specified need is targeted stronger authentication enrollment.

Question 182

IT needs to assign the same app access rights to 60 employees together. What is the most appropriate implementation?

  1. Invite a B2B guest identity with specific resource access.
  2. Manage its enterprise application service principal.
  3. Use a Microsoft Entra security group for app access assignment.
  4. Create a Microsoft Entra member user.

Explanation

Correct Answer

C:

Group membership enables reusable access targeting. This directly addresses cohort-based application authorization.

Incorrect Answers

A:

Guest access allows limited collaboration while retaining external identity origin. This helps with access for a named external partner instead of the required cohort-based application authorization.

B:

The service principal represents an application instance in the directory. The action is relevant to tenant-scoped enterprise application identity rather than cohort-based application authorization.

D:

Member identities represent primary internal workforce accounts. The action is relevant to an internal organization identity rather than cohort-based application authorization.

Question 183

Security wants to assess the effect of a new policy without disabling legitimate production sign-ins. Which action should the team take?

  1. Target the specific cloud application in the policy assignments.
  2. Configure an appropriate MFA grant control for the eligible users.
  3. Configure the supported location condition with a block access policy.
  4. Set the proposed Conditional Access policy to report-only mode.

Explanation

Correct Answer

D:

Report-only evaluations record prospective outcomes without enforcement. This directly addresses safe policy impact analysis.

Incorrect Answers

A:

App selection determines which resource sign-ins are evaluated. It is used for scope of a particular protected app; this scenario calls for safe policy impact analysis.

B:

Grant controls define conditions that a sign-in must satisfy. That addresses required additional authentication for selected users, whereas the current case requires safe policy impact analysis.

C:

Network conditions and block decisions enforce location restrictions. It is used for explicit access denial from restricted locations; this scenario calls for safe policy impact analysis.

Question 184

The security office wants an assessment of identity hardening gaps rather than one incident. What is the most appropriate implementation?

  1. Review the Microsoft Entra Identity Secure Score recommendations.
  2. Inspect Microsoft Entra sign-in logs for the attempt.
  3. Examine Microsoft Entra Identity Protection user-risk detections.
  4. Search Microsoft Entra audit logs for the policy mutation.

Explanation

Correct Answer

A:

Identity Secure Score emphasizes identity control maturity and opportunities. This directly addresses identity-wide recommended hardening actions.

Incorrect Answers

B:

Sign-in logs show application, error code and Conditional Access outcome. Its purpose is failed sign-in evidence; the specified need is identity-wide recommended hardening actions.

C:

User-risk signals assess possible identity compromise. It would support aggregated account compromise risk, not the stated identity-wide recommended hardening actions.

D:

Directory audit events attribute administrative changes. Its purpose is author and time of policy change; the specified need is identity-wide recommended hardening actions.

Question 185

Users signed in to a corporate Windows desktop should avoid entering credentials repeatedly for supported resources. Which action should the team take?

  1. Evaluate a supported password-based SSO integration and its limitations.
  2. Enable supported seamless authentication and SSO configuration.
  3. Configure an enterprise application for SAML-based single sign-on.
  4. Configure the app's OIDC sign-in integration.

Explanation

Correct Answer

B:

Seamless SSO uses existing authenticated context where protocols and policies allow. This directly addresses reduced repeated prompts in managed sessions.

Incorrect Answers

A:

Password-based SSO can store and supply credentials for incompatible legacy apps. The action is relevant to legacy password-oriented app access rather than reduced repeated prompts in managed sessions.

C:

SAML exchanges signed assertions for federated application authentication. The action is relevant to standards-based SAML sign-in rather than reduced repeated prompts in managed sessions.

D:

OIDC adds identity tokens over an OAuth-based authorization flow. This helps with OIDC identity federation instead of the required reduced repeated prompts in managed sessions.

Question 186

An audit team needs to know who activated a privileged role during an incident. What is the most appropriate implementation?

  1. Configure an approver requirement in the PIM activation settings.
  2. Review PIM role assignment schedules and expiration.
  3. Inspect PIM audit history and activation records.
  4. Configure eligible assignment and activation in Microsoft Entra PIM.

Explanation

Correct Answer

C:

Privileged activity logs attribute activation decisions and timestamps. This directly addresses accountable temporary role usage.

Incorrect Answers

A:

Approval gates enforce oversight on privileged activation. That addresses independently approved privilege activation, whereas the current case requires accountable temporary role usage.

B:

PIM reports expose eligible and active role assignment lifetimes. It is used for upcoming privileged entitlement expiry; this scenario calls for accountable temporary role usage.

D:

PIM eligibility separates standing rights from temporary activated privileges. It is used for just-in-time role elevation; this scenario calls for accountable temporary role usage.

Question 187

A company needs to decide whether a third-party application may access protected data tenant-wide. Which action should the team take?

  1. Create and configure a Microsoft Entra app registration.
  2. Manage the Microsoft Entra enterprise application instance.
  3. Use a supported managed identity with scoped permissions.
  4. Review and grant only approved application permissions via admin consent.

Explanation

Correct Answer

D:

Tenant-level application grants require privileged review and scope controls. This directly addresses governance of application-level API access.

Incorrect Answers

A:

Registration stores the application's identity configuration and API permission declaration. Its purpose is developer-side application identity definition; the specified need is governance of application-level API access.

B:

Enterprise apps represent tenant-local service principals and user assignments. It would support tenant access to deployed SaaS app, not the stated governance of application-level API access.

C:

Managed identities provision service identity tokens without customer-managed credentials. Its purpose is passwordless Azure workload identity; the specified need is governance of application-level API access.

Question 188

Security must determine which app grants already permit mailbox or directory access. What is the most appropriate implementation?

  1. Inspect application permissions and consent grants in Entra ID.
  2. Request an appropriate delegated Microsoft Graph scope.
  3. Request an approved application permission with a workload identity.
  4. Require administrator review for permission scopes beyond user consent authority.

Explanation

Correct Answer

A:

Consent inventory reveals existing delegated and app-only authorization. This directly addresses review of existing app API privileges.

Incorrect Answers

B:

Delegated permissions operate within the signed-in user's effective rights. The action is relevant to per-user constrained API access rather than review of existing app API privileges.

C:

Application permissions support app-only access independent of a user session. This helps with unattended API access with no user instead of the required review of existing app API privileges.

D:

Admin consent governs permissions that exceed user grant rights. The action is relevant to elevated consent for high-impact API scopes rather than review of existing app API privileges.

Question 189

A contractor's sign-in must always be blocked when a specified risk state is detected. Which action should the team take?

  1. Require an approved authentication strength in Conditional Access.
  2. Apply a policy with risk conditions and the block access grant.
  3. Require a compliant device in Microsoft Entra Conditional Access.
  4. Require an appropriately hybrid-joined device where supported.

Explanation

Correct Answer

B:

Risk-based block access prevents a session rather than permitting a second-factor bypass. This directly addresses risk-triggered denial.

Incorrect Answers

A:

Authentication strength constrains eligible methods beyond generic MFA. It is used for stronger phishing-resistant sign-in methods; this scenario calls for risk-triggered denial.

C:

The grant relies on evaluated management compliance state. It is used for access only from policy-compliant endpoints; this scenario calls for risk-triggered denial.

D:

Hybrid-join grant conditions assess the required device trust. That addresses hybrid device-trust gated access, whereas the current case requires risk-triggered denial.

Question 190

A sensitive role must be granted only while its holder performs an approved privileged task. What is the most appropriate implementation?

  1. Use assigned group membership with an approval process.
  2. Use supported entitlement management access packages.
  3. Use PIM eligible role activation instead of permanent role assignment.
  4. Configure a Microsoft Entra dynamic group membership rule.

Explanation

Correct Answer

C:

PIM reduces standing role access through controlled activation. This directly addresses temporary high-privilege access.

Incorrect Answers

A:

Assigned groups allow direct intentional membership control. It would support curated manually approved group access, not the stated temporary high-privilege access.

B:

Access packages automate approved and time-limited resource assignment. Its purpose is request-based temporary bundle access; the specified need is temporary high-privilege access.

D:

Dynamic groups evaluate member properties without manual updates. Its purpose is attribute-driven group population; the specified need is temporary high-privilege access.


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