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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

$79.99

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Microsoft SC-100 Practice Test 25

Question 240

A hybrid-cloud design review identifies this security gap: A malware campaign changes IP addresses while maintaining the same credential-theft technique. Which action is MOST appropriate for the stated need?

  1. Use evidence-based narrow tuning and regression tests rather than disabling the broad detection family.
  2. Enrich external indicators with local telemetry, time context and confidence before escalation.
  3. Normalize security metrics by monitored asset coverage and detection-rule changes.
  4. Design behavioral detections and threat-hunting hypotheses beyond one static indicator.

Explanation

Correct Answer

D:

Technique-oriented analytics survive changes to attacker infrastructure. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A detection rule catches a false-positive administrative script, and the owner asks for blanket script exclusions. Scoped exceptions limit noise without removing visibility for genuine malicious variants. It does not solve the specified case, for which Design behavioral detections and threat-hunting hypotheses beyond one static indicator. is appropriate.

B:

This recommendation fits a different scenario: A SOC promotes every external threat indicator to a high-severity alert without validating matches against tenant events. Intelligence relevance depends on actual environment observations rather than feed labels alone. It does not solve the specified case, for which Design behavioral detections and threat-hunting hypotheses beyond one static indicator. is appropriate.

C:

This recommendation fits a different scenario: Endpoint detectors become noisy after a new sensor rollout, and leadership believes attacks have doubled. Improved visibility can increase alert counts without a matching change in attacker activity. It does not solve the specified case, for which Design behavioral detections and threat-hunting hypotheses beyond one static indicator. is appropriate.

Question 241

During a security architecture workshop, the team learns that: Mac and Windows employees are assigned the same agent package without checking platform support. What should the cybersecurity architect recommend?

  1. Verify effective device compliance reporting and Conditional Access enforcement together.
  2. Require verified endpoint onboarding, protection state and detection telemetry for managed clients.
  3. Design app and device access requirements with mobile application protection where supported.
  4. Select platform-supported Defender protection and configuration methods for each client operating system.

Explanation

Correct Answer

D:

Cross-platform endpoint coverage needs appropriate onboarding and enforcement mechanisms. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: Remote workers report that a compliance policy was assigned yet their device sign-ins remain unrestricted. Configuration assignment and evaluated access conditions are separate states. It does not solve the specified case, for which Select platform-supported Defender protection and configuration methods for each client operating system. is appropriate.

B:

This recommendation fits a different scenario: The enterprise enrolls laptops into device management but does not verify Defender endpoint sensor health. Device enrollment is not proof that security sensors are functioning. It does not solve the specified case, for which Select platform-supported Defender protection and configuration methods for each client operating system. is appropriate.

C:

This recommendation fits a different scenario: A BYOD policy grants unrestricted access to corporate data from unregistered personal phones. Personal devices require clear data boundaries without assuming full corporate device ownership. It does not solve the specified case, for which Select platform-supported Defender protection and configuration methods for each client operating system. is appropriate.

Question 242

A multinational enterprise reports this risk: A fleet of virtual machines needs behavioral threat detection, not only a list of configuration recommendations. Which change MOST directly mitigates the design gap?

  1. Map protected resource types and threat priorities to eligible workload protection plans.
  2. Evaluate and enable an appropriate Defender for Databases workload protection plan.
  3. Evaluate Defender for Containers coverage and deployment prerequisites for the managed cluster.
  4. Select supported Defender for Servers protection and endpoint integration appropriate to the OS estate.

Explanation

Correct Answer

D:

Runtime server defense is distinct from recommendation-based posture reporting. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An architect enables every Defender plan without evaluating workloads, coverage or operating costs. Security plans should be chosen from actual risks and supported coverage rather than a blanket toggle. It does not solve the specified case, for which Select supported Defender for Servers protection and endpoint integration appropriate to the OS estate. is appropriate.

B:

This recommendation fits a different scenario: A team enables only configuration assessments for databases but expects runtime SQL threat detections. Posture assessment is not equivalent to workload-specific threat detection. It does not solve the specified case, for which Select supported Defender for Servers protection and endpoint integration appropriate to the OS estate. is appropriate.

C:

This recommendation fits a different scenario: A Kubernetes cluster is connected to Azure but container runtime threats are absent from security operations. Container threat protection requires supported cluster integration beyond generic Azure inventory. It does not solve the specified case, for which Select supported Defender for Servers protection and endpoint integration appropriate to the OS estate. is appropriate.

Question 243

An architecture approval board must resolve this concern: A critical security patch breaks a legacy application that cannot yet be retired. Which architecture recommendation BEST addresses the case?

  1. Document a time-bounded exception with compensating isolation and a tested remediation deadline.
  2. Verify deployment compliance and observed software versions before closing remediation work.
  3. Stage security updates through representative rings with rollback criteria and documented maintenance approvals.
  4. Prioritize exploitation evidence and exposed asset criticality over a uniform patch queue.

Explanation

Correct Answer

A:

A compatibility exception should constrain exploitation while preserving accountability for eventual risk removal. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: The organization declares all servers patched after distributing a policy but has not checked their actual installed versions. Assignment and successful installation are separate states requiring evidence from target devices. It does not solve the specified case, for which Document a time-bounded exception with compensating isolation and a tested remediation deadline. is appropriate.

C:

This recommendation fits a different scenario: Operations proposes patching every endpoint simultaneously during a business-critical production window. Controlled update waves reduce correlated outages while still addressing vulnerability exposure. It does not solve the specified case, for which Document a time-bounded exception with compensating isolation and a tested remediation deadline. is appropriate.

D:

This recommendation fits a different scenario: An internet-facing appliance has a known exploited vulnerability but the team patches internal low-risk desktops first. Threat-informed sequencing addresses the most reachable and consequential attack paths first. It does not solve the specified case, for which Document a time-bounded exception with compensating isolation and a tested remediation deadline. is appropriate.

Question 244

A security engineering lead describes the following problem: A user downloads confidential files from a connected SaaS app on an unmanaged device after a successful sign-in. Which action is MOST appropriate for the stated need?

  1. Review OAuth consent grants and require minimum permissions before sanctioning the app.
  2. Evaluate Conditional Access App Control session restrictions through Defender for Cloud Apps.
  3. Tune scoped anomaly policies using validated business behavior and retain broader detection coverage.
  4. Evaluate Defender for Cloud Apps discovery using supported endpoint or network telemetry.

Explanation

Correct Answer

B:

In-session access controls can restrict data movement after authentication succeeds. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A trusted third-party app requests full mailbox read permission though its business function only requires calendar availability. Excess app scopes create disproportionate disclosure risk even for approved vendors. It does not solve the specified case, for which Evaluate Conditional Access App Control session restrictions through Defender for Cloud Apps. is appropriate.

C:

This recommendation fits a different scenario: Several Cloud Apps alerts are triggered by an approved scheduled export and the SOC requests disabling all anomaly detection. Narrow tuning reduces alert fatigue without disabling unrelated risk detection. It does not solve the specified case, for which Evaluate Conditional Access App Control session restrictions through Defender for Cloud Apps. is appropriate.

D:

This recommendation fits a different scenario: A company cannot identify unsanctioned SaaS services accessed by remote workers from company devices. Discovery provides evidence of application use beyond manually maintained approved-app inventories. It does not solve the specified case, for which Evaluate Conditional Access App Control session restrictions through Defender for Cloud Apps. is appropriate.

Question 245

A governance team has raised this design requirement: A platform team assumes that the Cloud Adoption Framework eliminates the need for a security operating model. What should the cybersecurity architect recommend?

  1. Establish CAF governance guardrails and decision authority before large-scale landing-zone deployment.
  2. Translate business-risk requirements into enforceable cloud policy, identity and monitoring controls.
  3. Define shared platform and workload responsibilities for governance, response and policy lifecycle.
  4. Evaluate and scope governance exceptions to each applicable business or regulatory context.

Explanation

Correct Answer

C:

A framework guides organizational responsibilities but cannot assign ownership automatically. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A cloud migration program starts provisioning production subscriptions before defining policy owners and security exceptions. Early governance prevents uncontrolled divergence in cloud environments. It does not solve the specified case, for which Define shared platform and workload responsibilities for governance, response and policy lifecycle. is appropriate.

B:

This recommendation fits a different scenario: The risk register identifies security obligations but has no controls mapped to subscription and data owners. Architecture should connect risk treatment to actual technical enforcement. It does not solve the specified case, for which Define shared platform and workload responsibilities for governance, response and policy lifecycle. is appropriate.

D:

This recommendation fits a different scenario: An acquired company joins the Azure estate with a different regulatory profile and inherits every existing exception. Existing exceptions are not blanket authorization for unrelated subsidiaries or workloads. It does not solve the specified case, for which Define shared platform and workload responsibilities for governance, response and policy lifecycle. is appropriate.

Question 246

A regulated organization needs a safer design because: Production teams assume platform security updates will occur automatically for every IaaS guest operating system. Which change MOST directly mitigates the design gap?

  1. Document customer-managed guest patch responsibilities separately from provider-managed service components.
  2. Require a deployment acceptance check covering identities, policy compliance and observable protection.
  3. Include operational responsibility, alert routing and log lifecycle in the platform handoff.
  4. Maintain resource tagging and owner mapping that supports incident response routing.

Explanation

Correct Answer

A:

Shared responsibility varies by service model and determines who must patch each layer. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A multi-team deployment is declared complete based only on resource creation even though access controls were not reviewed. A resource being created does not show that its security design was successfully enforced. It does not solve the specified case, for which Document customer-managed guest patch responsibilities separately from provider-managed service components. is appropriate.

C:

This recommendation fits a different scenario: A newly deployed landing zone has no defined security response contact or log retention owner. Security architecture is incomplete until someone can detect and respond to faults. It does not solve the specified case, for which Document customer-managed guest patch responsibilities separately from provider-managed service components. is appropriate.

D:

This recommendation fits a different scenario: An operations team receives Defender alerts but cannot connect them to the application team responsible for the resource. Ownership metadata enables prompt action on detections affecting specific workloads. It does not solve the specified case, for which Document customer-managed guest patch responsibilities separately from provider-managed service components. is appropriate.

Question 247

A cybersecurity architect is evaluating the following business requirement: A regulated document must be visibly classified and encrypted for approved recipients. Which architecture recommendation BEST addresses the case?

  1. Use supported Purview content classification and discovery with appropriately scoped analyst roles.
  2. Plan scoped Purview eDiscovery preservation and case access controls.
  3. Design supported Purview sensitivity label protection with audience-specific encryption rights.
  4. Design a Purview DLP policy using validated sensitive-content detectors and sharing conditions.

Explanation

Correct Answer

C:

Labels can express classification and enforce cryptographic access where supported. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A company must discover which SharePoint files contain confidential customer identifiers before designing access controls. Data discovery identifies where sensitive content actually resides. It does not solve the specified case, for which Design supported Purview sensitivity label protection with audience-specific encryption rights. is appropriate.

B:

This recommendation fits a different scenario: Legal staff need to preserve selected correspondence during an active investigation without changing organization-wide retention schedules. Case-specific holds can preserve evidence independently of normal lifecycle rules. It does not solve the specified case, for which Design supported Purview sensitivity label protection with audience-specific encryption rights. is appropriate.

D:

This recommendation fits a different scenario: A firm needs to stop identified financial account numbers from being shared externally through approved Microsoft 365 workloads. DLP applies contextual restrictions to detected sensitive information. It does not solve the specified case, for which Design supported Purview sensitivity label protection with audience-specific encryption rights. is appropriate.

Question 248

A hybrid-cloud design review identifies this security gap: An architect treats every identified STRIDE threat as equally likely and refuses to prioritize mitigations. Which action is MOST appropriate for the stated need?

  1. Threat-model authorization bypass and business-logic abuse as well as network confidentiality.
  2. Document data flows, entry points and trust boundaries using a structured threat-modeling method.
  3. Evaluate attack feasibility and business impact to rank threat-model countermeasures.
  4. Convert threat-model assumptions into concrete negative authorization and misuse test cases.

Explanation

Correct Answer

C:

Threat discovery needs risk-informed treatment to guide practical implementation. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An API exposes a payment approval function and the design review only checks for encrypted connections. TLS does not stop a correctly connected user from making an unauthorized payment approval. It does not solve the specified case, for which Evaluate attack feasibility and business impact to rank threat-model countermeasures. is appropriate.

B:

This recommendation fits a different scenario: A team connects a mobile app to an internal service through a new gateway without updating its trust-boundary diagrams. New integration edges introduce attack paths that an outdated architecture diagram misses. It does not solve the specified case, for which Evaluate attack feasibility and business impact to rank threat-model countermeasures. is appropriate.

D:

This recommendation fits a different scenario: A design review finishes without testing whether its recommended access controls actually reject unauthenticated requests. Security requirements are meaningful only when validated against adversarial behavior. It does not solve the specified case, for which Evaluate attack feasibility and business impact to rank threat-model countermeasures. is appropriate.

Question 249

During a security architecture workshop, the team learns that: A data steward sees classification detections but cannot confirm who may access the affected records. What should the cybersecurity architect recommend?

  1. Link classification findings to effective identities and data-plane permissions.
  2. Integrate classification checks into ingestion and dataset lifecycle workflows.
  3. Design automated data discovery and classification across approved storage and database services.
  4. Use content-based classification and business-owner validation instead of relying on naming conventions.

Explanation

Correct Answer

A:

Sensitivity awareness must be combined with access evidence to assess exposure. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A records project classifies historical exports but never updates the catalog when new data pipelines are introduced. Data inventories become stale when changes to data sources are not reassessed. It does not solve the specified case, for which Link classification findings to effective identities and data-plane permissions. is appropriate.

C:

This recommendation fits a different scenario: A global insurer stores confidential information in many subscriptions but has no catalog showing sensitive data locations. Unknown sensitive data locations cannot be reliably protected by appropriate controls. It does not solve the specified case, for which Link classification findings to effective identities and data-plane permissions. is appropriate.

D:

This recommendation fits a different scenario: A financial table is labeled confidential by file name only despite containing mixed sensitivity levels. Labels based on data characteristics support defensible protection decisions. It does not solve the specified case, for which Link classification findings to effective identities and data-plane permissions. is appropriate.

Question 250

A multinational enterprise reports this risk: An investigation labels all mobile-device anomalies as workstation persistence and misroutes response. Which change MOST directly mitigates the design gap?

  1. Map detection use cases to MITRE ATT&CK techniques and identify uncovered tactics.
  2. Include appropriate ATT&CK for ICS techniques and industrial event sources in detection design.
  3. Evaluate mobile-relevant MITRE ATT&CK behaviors and mobile telemetry availability.
  4. Test analytic coverage against representative variations and record the sensor and response assumptions.

Explanation

Correct Answer

C:

Mobile attack techniques and sensors require distinct detection context. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A security dashboard lists alert counts but cannot demonstrate which adversary techniques are detected. Technique coverage exposes blind spots that simple alert volumes conceal. It does not solve the specified case, for which Evaluate mobile-relevant MITRE ATT&CK behaviors and mobile telemetry availability. is appropriate.

B:

This recommendation fits a different scenario: A factory SOC adopts only enterprise IT ATT&CK techniques while its control networks use industrial protocols. Operational technology threats differ from conventional office endpoint behavior. It does not solve the specified case, for which Evaluate mobile-relevant MITRE ATT&CK behaviors and mobile telemetry availability. is appropriate.

D:

This recommendation fits a different scenario: A team treats a red-team simulation detection as proven coverage for every variant of an ATT&CK technique. One successful simulated detection does not imply complete technique coverage. It does not solve the specified case, for which Evaluate mobile-relevant MITRE ATT&CK behaviors and mobile telemetry availability. is appropriate.


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