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SC-100 Premium File: 374 Questions & Answers

Last Update: Oct 18, 2026

SC-100 Training Course: 168 Video Lectures

SC-100 PDF Study Guide: 436 Pages

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Microsoft SC-100 Practice Test 13

Question 120

An architecture approval board must resolve this concern: An incident commander suspends a compromised administrator but leaves an active privileged cloud session untouched. Which architecture recommendation BEST addresses the case?

  1. Revoke active sessions and review delegated app tokens in addition to disabling the account.
  2. Correlate role audit events to approvals and investigate unexplained elevation.
  3. Rehearse emergency access under controlled monitoring and document safe credential custody.
  4. Revoke and rotate the exposed credential, then investigate its use and effective grants.

Explanation

Correct Answer

A:

Session containment may require actions beyond account state changes. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A security review finds administrative role changes with no change ticket or recorded business purpose. Privileged authorization needs traceability between approvals and actual assignment. It does not solve the specified case, for which Revoke active sessions and review delegated app tokens in addition to disabling the account. is appropriate.

C:

This recommendation fits a different scenario: A security team wants to test emergency access without leaving a highly privileged account active in daily workflows. Recovery readiness depends on tested access and careful operational protection. It does not solve the specified case, for which Revoke active sessions and review delegated app tokens in addition to disabling the account. is appropriate.

D:

This recommendation fits a different scenario: A high-privilege application credential appears in a public repository and the response team plans only to delete the commit. Repository removal does not invalidate a secret that attackers may have copied. It does not solve the specified case, for which Revoke active sessions and review delegated app tokens in addition to disabling the account. is appropriate.

Question 121

A security engineering lead describes the following problem: An external attacker obtains one employee password and can access several administrative interfaces without a new check. Which action is MOST appropriate for the stated need?

  1. Combine least-privilege data roles, sensitive-data monitoring and governed exfiltration controls.
  2. Design phishing-resistant MFA and context-aware Conditional Access for sensitive operations.
  3. Implement time-bound entitlements with periodic access reviews and automatic deprovisioning.
  4. Scope third-party application permissions and establish rapid revocation and monitoring of delegated grants.

Explanation

Correct Answer

B:

Strong authentication and risk evaluation limit credential replay across privileged surfaces. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A privileged insider can export an entire regulated dataset despite only needing aggregate reports. Restricting broad read access and detecting risky movement reduce insider-data exposure. It does not solve the specified case, for which Design phishing-resistant MFA and context-aware Conditional Access for sensitive operations. is appropriate.

C:

This recommendation fits a different scenario: A contractor's access remains active after their approved business engagement ends. External identity access must track business sponsorship and contract lifecycle. It does not solve the specified case, for which Design phishing-resistant MFA and context-aware Conditional Access for sensitive operations. is appropriate.

D:

This recommendation fits a different scenario: A supply-chain incident compromises a trusted vendor integration that has tenant-wide API permissions. Vendor compromise impact depends on the permissions and persistence granted to the integration. It does not solve the specified case, for which Design phishing-resistant MFA and context-aware Conditional Access for sensitive operations. is appropriate.

Question 122

A governance team has raised this design requirement: A scheduled job authenticates with a certificate embedded inside a container image copied to every environment. What should the cybersecurity architect recommend?

  1. Grant its managed identity scoped Azure RBAC for the required storage data operations.
  2. Move workload authentication to supported federated credentials or managed identity with controlled rotation.
  3. Design supported workload identity federation and Key Vault data permissions for that pod.
  4. Validate token audience, issuer and intended resource authorization in the application trust design.

Explanation

Correct Answer

B:

Image distribution must not spread persistent private keys across deployments. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An Azure Function needs to read a single storage container but currently stores the account access key. Scoped managed identity eliminates reusable account keys and narrows permitted operations. It does not solve the specified case, for which Move workload authentication to supported federated credentials or managed identity with controlled rotation. is appropriate.

C:

This recommendation fits a different scenario: A Kubernetes pod receives cluster admin privileges to access one Azure Key Vault secret. Access to a cloud secret does not require Kubernetes control-plane administration. It does not solve the specified case, for which Move workload authentication to supported federated credentials or managed identity with controlled rotation. is appropriate.

D:

This recommendation fits a different scenario: A service-to-service request succeeds with an OAuth token that belongs to the wrong audience. A valid token for one API does not authorize access to a different service. It does not solve the specified case, for which Move workload authentication to supported federated credentials or managed identity with controlled rotation. is appropriate.

Question 123

A regulated organization needs a safer design because: Employees often click links that become malicious after a message was delivered. Which change MOST directly mitigates the design gap?

  1. Design targeted anti-phishing impersonation protection using Defender for Office 365.
  2. Include Defender for Office 365 Safe Links time-of-click protection for eligible workloads.
  3. Evaluate Safe Attachments detonation and disposition policy for protected recipient groups.
  4. Design approved Threat Explorer investigation and scoped post-delivery remediation workflows.

Explanation

Correct Answer

B:

URL risk can change between delivery and user interaction, so click-time inspection provides a separate protection opportunity. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A financial services tenant receives executive impersonation messages and only basic bulk-spam filtering is configured. Impersonation controls address targeted sender deception beyond generic spam volume. It does not solve the specified case, for which Include Defender for Office 365 Safe Links time-of-click protection for eligible workloads. is appropriate.

C:

This recommendation fits a different scenario: The organization requires suspicious attachments analyzed before employees open them. Dynamic attachment analysis can detect threats that simple filename or signature checks miss. It does not solve the specified case, for which Include Defender for Office 365 Safe Links time-of-click protection for eligible workloads. is appropriate.

D:

This recommendation fits a different scenario: A SOC can identify malicious email but lacks a governed process to remove matching messages from other mailboxes. Campaign-level investigation should lead to controlled response across actual affected recipients. It does not solve the specified case, for which Include Defender for Office 365 Safe Links time-of-click protection for eligible workloads. is appropriate.

Question 124

A cybersecurity architect is evaluating the following business requirement: A reimaged laptop appears under three device records and skews threat inventory counts. Which architecture recommendation BEST addresses the case?

  1. Design containment verification and an alternate response path for unreachable devices.
  2. Reconcile device identities and retire stale endpoint records using supported lifecycle procedures.
  3. Alert on missing sensor check-in and integrity anomalies as security signals.
  4. Define remediation verification that inspects persistence and related credential compromise.

Explanation

Correct Answer

B:

Accurate inventory is required for meaningful exposure and coverage metrics. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A SOC tries to isolate a compromised endpoint but the device has been offline since yesterday. A remote isolation request may remain pending without endpoint connectivity. It does not solve the specified case, for which Reconcile device identities and retire stale endpoint records using supported lifecycle procedures. is appropriate.

C:

This recommendation fits a different scenario: An attacker disables endpoint telemetry, and the operations team interprets no alerts as no compromise. Telemetry loss can hide attacks and should itself be investigated. It does not solve the specified case, for which Reconcile device identities and retire stale endpoint records using supported lifecycle procedures. is appropriate.

D:

This recommendation fits a different scenario: A client malware alert is closed when the process exits but persistence tasks remain installed. A stopped process does not prove a threat is fully eradicated if persistence mechanisms and related identities remain compromised. It does not solve the specified case, for which Reconcile device identities and retire stale endpoint records using supported lifecycle procedures. is appropriate.

Question 125

A hybrid-cloud design review identifies this security gap: A vendor engagement ends, but B2B guest users remain members of multiple security groups. Which action is MOST appropriate for the stated need?

  1. Automate guest access expiration and sponsor-backed access reviews across effective memberships.
  2. Evaluate supported verifiable credential issuance and presentation with minimum disclosed claims.
  3. Separate identity proof verification from application authorization and Conditional Access evaluation.
  4. Use a governed Microsoft Entra B2B cross-tenant collaboration design with scoped resource grants.

Explanation

Correct Answer

A:

Removing one shared link may leave app and group permissions intact, so the full guest entitlement inventory must be reviewed. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A team wants to rely on a verifiable credential to attest a training qualification without copying the holder's complete identity file. Decentralized credentials can convey attestations without unnecessary personal-data transfer. It does not solve the specified case, for which Automate guest access expiration and sponsor-backed access reviews across effective memberships. is appropriate.

C:

This recommendation fits a different scenario: A security architect assumes that verification of an external credential automatically grants access to every company application. Proving an attribute does not override resource-specific permissions. It does not solve the specified case, for which Automate guest access expiration and sponsor-backed access reviews across effective memberships. is appropriate.

D:

This recommendation fits a different scenario: A partner organization needs access to one project application but should retain its own identity administration. B2B collaboration preserves independent home identities while limiting access to approved resources. It does not solve the specified case, for which Automate guest access expiration and sponsor-backed access reviews across effective memberships. is appropriate.

Question 126

During a security architecture workshop, the team learns that: Multiple application tiers use a single broad network security group allowing all east-west traffic. What should the cybersecurity architect recommend?

  1. Test effective routing symmetry and firewall state handling for hub-and-spoke inspection.
  2. Design private endpoints and controlled network routing for the database service.
  3. Segment workloads with least-privilege network security group and firewall rules.
  4. Include private DNS resolution and forwarding in the hybrid network design.

Explanation

Correct Answer

C:

Explicit flow restrictions reduce lateral movement between tiers. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An enterprise deploys two regional hubs but forgets to validate asymmetric return traffic through inspection appliances. Inconsistent forward and return paths can break stateful filtering or bypass expected controls. It does not solve the specified case, for which Segment workloads with least-privilege network security group and firewall rules. is appropriate.

B:

This recommendation fits a different scenario: A regulated database is directly exposed to internet clients despite only internal applications needing connections. Limiting public reachability reduces exposure of sensitive data-plane interfaces. It does not solve the specified case, for which Segment workloads with least-privilege network security group and firewall rules. is appropriate.

D:

This recommendation fits a different scenario: A hybrid application requires private connectivity but its on-premises network cannot resolve the private endpoint's DNS name. Private connectivity depends on routing and correct name resolution together. It does not solve the specified case, for which Segment workloads with least-privilege network security group and firewall rules. is appropriate.

Question 127

A multinational enterprise reports this risk: A project uses identical privilege reports for Azure and AWS while ignoring provider-specific permission semantics. Which change MOST directly mitigates the design gap?

  1. Review effective cloud entitlements and remove unnecessary standing role grants.
  2. Normalize entitlement risk across providers while retaining provider-specific authorization evaluation.
  3. Reduce its effective permissions to diagnostics-read operations at the smallest practical resource scope.
  4. Incorporate activity evidence and resource criticality into cloud entitlement reviews.

Explanation

Correct Answer

B:

Multicloud access review needs comparable exposure without assuming the role models are identical. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An Azure subscription has hundreds of unused Owner roles assigned to service principals. Excess cloud permissions create takeover paths for dormant identities. It does not solve the specified case, for which Normalize entitlement risk across providers while retaining provider-specific authorization evaluation. is appropriate.

C:

This recommendation fits a different scenario: A managed identity can change production network routing despite only needing to read telemetry. Workload identity privileges should be aligned to functions rather than environment ownership. It does not solve the specified case, for which Normalize entitlement risk across providers while retaining provider-specific authorization evaluation. is appropriate.

D:

This recommendation fits a different scenario: The security team sees role assignments but cannot tell whether users actually exercise their entitlements. Permission presence and actual use both inform the risk of persistent access. It does not solve the specified case, for which Normalize entitlement risk across providers while retaining provider-specific authorization evaluation. is appropriate.

Question 128

An architecture approval board must resolve this concern: Two response teams execute contradictory network isolation and service restoration commands during the same ransomware drill. Which architecture recommendation BEST addresses the case?

  1. Assign incident recovery decision rights and approval gates for sensitive data access.
  2. Establish a single incident command workflow with explicit containment and recovery handoffs.
  3. Include business-process owners and freshness acceptance criteria in disaster-recovery testing.
  4. Trigger resilience reassessment after material architecture changes and maintain current runbooks.

Explanation

Correct Answer

B:

Coordinated authority prevents responders from undoing each other's actions under crisis conditions. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A tabletop exercise tests backup retrieval but never identifies who can authorize a regulated-data restoration. Governance controls establish who can use recovery material and preserve accountability during emergencies. It does not solve the specified case, for which Establish a single incident command workflow with explicit containment and recovery handoffs. is appropriate.

C:

This recommendation fits a different scenario: Recovery tests meet infrastructure RTOs but fail business-user sign-off because downstream reports lack recent data. Resilience success requires restored business outcomes, not solely server availability. It does not solve the specified case, for which Establish a single incident command workflow with explicit containment and recovery handoffs. is appropriate.

D:

This recommendation fits a different scenario: A business continuity plan has no schedule to re-test after the organization moves its primary data platform to another cloud. Recovery documentation becomes unreliable when topology and dependencies evolve without corresponding drills. It does not solve the specified case, for which Establish a single incident command workflow with explicit containment and recovery handoffs. is appropriate.

Question 129

A security engineering lead describes the following problem: A device gateway accepts unencrypted readings from field sensors across untrusted networks. Which action is MOST appropriate for the stated need?

  1. Require unique device identity, credential provisioning and asset inventory for IoT onboarding.
  2. Design authenticated encrypted transport and gateway authorization for IoT telemetry.
  3. Specify secure update capability and controlled end-of-life replacement for embedded devices.
  4. Segment IoT networks and limit gateway-to-enterprise traffic to defined protocols.

Explanation

Correct Answer

B:

Protected communication mitigates impersonation and disclosure along sensor paths. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: Facilities deploy thousands of smart building sensors with default passwords and no central device registry. Device identity controls prevent shared default credentials from scaling into systemic exposure. It does not solve the specified case, for which Design authenticated encrypted transport and gateway authorization for IoT telemetry. is appropriate.

C:

This recommendation fits a different scenario: An IoT fleet cannot be patched remotely and no one has documented expected service life or retirement. Unpatchable devices accumulate risk that must be managed through lifecycle planning. It does not solve the specified case, for which Design authenticated encrypted transport and gateway authorization for IoT telemetry. is appropriate.

D:

This recommendation fits a different scenario: A retail sensor network shares routing with payment processing servers despite no operational dependency. Network isolation reduces lateral movement from less-managed devices to sensitive services. It does not solve the specified case, for which Design authenticated encrypted transport and gateway authorization for IoT telemetry. is appropriate.

Question 130

A governance team has raised this design requirement: An API gateway accepts unlimited requests from every subscription and the backend repeatedly exhausts capacity. What should the cybersecurity architect recommend?

  1. Design governed API versioning and staged deprecation for breaking changes.
  2. Redact credentials and personal content in API telemetry and restrict diagnostic access.
  3. Design authenticated partner identities and per-API authorization in Azure API Management.
  4. Configure appropriate API Management rate and quota limits aligned to business contracts.

Explanation

Correct Answer

D:

Traffic governance protects availability and enforces fair resource consumption. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An architect publishes an API without a revision or version policy, breaking all consumers when its contract changes. Explicit version lifecycle protects dependent applications during interface evolution. It does not solve the specified case, for which Configure appropriate API Management rate and quota limits aligned to business contracts. is appropriate.

B:

This recommendation fits a different scenario: A gateway logs full bearer tokens and sensitive request payloads to an unrestricted workspace. Observability should not leak the secrets and data it is intended to protect. It does not solve the specified case, for which Configure appropriate API Management rate and quota limits aligned to business contracts. is appropriate.

C:

This recommendation fits a different scenario: A partner API receives legitimate requests but cannot distinguish which partner is allowed to call a sensitive operation. Gateway policies can enforce caller-specific API access rather than only route traffic. It does not solve the specified case, for which Configure appropriate API Management rate and quota limits aligned to business contracts. is appropriate.


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