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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 16

Question 150

During a security architecture workshop, the team learns that: A factory SOC adopts only enterprise IT ATT&CK techniques while its control networks use industrial protocols. What should the cybersecurity architect recommend?

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

Explanation

Correct Answer

D:

Operational technology threats differ from conventional office endpoint behavior. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An investigation labels all mobile-device anomalies as workstation persistence and misroutes response. Mobile attack techniques and sensors require distinct detection context. It does not solve the specified case, for which Include appropriate ATT&CK for ICS techniques and industrial event sources in detection design. is appropriate.

B:

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 Include appropriate ATT&CK for ICS techniques and industrial event sources in detection design. is appropriate.

C:

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 Include appropriate ATT&CK for ICS techniques and industrial event sources in detection design. is appropriate.

Question 151

A multinational enterprise reports this risk: An enterprise trusts a vendor reference configuration even though the deployment environment has different identity and network constraints. Which change MOST directly mitigates the design gap?

  1. Assess control coverage across every approved location and execution environment.
  2. Introduce repeatable automated evidence collection and independent control-owner review.
  3. Define architecture acceptance criteria that include control testing, telemetry and failure-mode verification.
  4. Validate reference recommendations against local prerequisites and record justified design deviations.

Explanation

Correct Answer

D:

Reusable architecture patterns still require environment-specific engineering decisions. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A control has been implemented only in the primary region while workloads also serve regulated traffic elsewhere. Partial rollout creates unprotected processing paths even if the primary region passes inspection. It does not solve the specified case, for which Validate reference recommendations against local prerequisites and record justified design deviations. is appropriate.

B:

This recommendation fits a different scenario: An engineering team plans to claim continuous compliance from an annual spreadsheet completed by a single administrator. Continuous assurance needs current technical signals and review beyond a one-time questionnaire. It does not solve the specified case, for which Validate reference recommendations against local prerequisites and record justified design deviations. is appropriate.

C:

This recommendation fits a different scenario: A security design review accepts a product diagram but lacks evidence of how the proposed controls work under failure. Diagram-level intent must be demonstrated through observable operating behavior. It does not solve the specified case, for which Validate reference recommendations against local prerequisites and record justified design deviations. is appropriate.

Question 152

An architecture approval board must resolve this concern: Two business units deploy redundant identity tools that disagree about the authoritative account lifecycle. Which architecture recommendation BEST addresses the case?

  1. Include third-party and internal trust relationships in the threat inventory and mitigation plan.
  2. Translate identified control gaps into risk-ranked treatment decisions with accountable owners.
  3. Prioritize risk and compliance requirements before using posture scores to choose compensating controls.
  4. Establish an agreed source of identity truth and consistent joiner-mover-leaver architecture.

Explanation

Correct Answer

D:

Competing identity authorities produce access drift despite strong individual controls. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An architecture review lists technical threats but excludes vendors and privileged operators from the attack surface. Supply-chain and insider paths can bypass controls designed only for internet attackers. It does not solve the specified case, for which Establish an agreed source of identity truth and consistent joiner-mover-leaver architecture. is appropriate.

B:

This recommendation fits a different scenario: A risk committee receives control gaps without impact, likelihood or remediation ownership. Prioritization requires business consequences and a named control remediation path. It does not solve the specified case, for which Establish an agreed source of identity truth and consistent joiner-mover-leaver architecture. is appropriate.

C:

This recommendation fits a different scenario: A cloud project seeks the highest possible Secure Score but ignores regulatory data residency obligations. A numeric posture score does not measure every legal and business constraint. It does not solve the specified case, for which Establish an agreed source of identity truth and consistent joiner-mover-leaver architecture. is appropriate.

Question 153

A security engineering lead describes the following problem: The help desk needs to reset passwords for one subsidiary but receives tenant-wide user administrator rights. Which action is MOST appropriate for the stated need?

  1. Replace blanket standing ownership with narrow scoped roles and approved elevation paths.
  2. Separate privileged access tiers and delegate authority only for the required control plane.
  3. Scope supported administrative roles to the subsidiary through appropriate administrative units.
  4. Establish dedicated monitored emergency access accounts with restricted routine use.

Explanation

Correct Answer

C:

Delegated scope limits which directory objects an operator may modify. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: An automation account receives direct permanent Owner permissions on every production subscription. Reducing excess privilege limits accidental or malicious modification of unrelated workloads. It does not solve the specified case, for which Scope supported administrative roles to the subsidiary through appropriate administrative units. is appropriate.

B:

This recommendation fits a different scenario: An engineer proposes that every cloud administrator also hold permanent enterprise domain administrator privileges. Compartmentalized administration reduces the impact of one compromised privileged identity. It does not solve the specified case, for which Scope supported administrative roles to the subsidiary through appropriate administrative units. is appropriate.

D:

This recommendation fits a different scenario: A tenant contains an emergency access identity with ordinary email and browsing enabled. Recovery principals should remain available but not be exposed to everyday application risk. It does not solve the specified case, for which Scope supported administrative roles to the subsidiary through appropriate administrative units. is appropriate.

Question 154

A governance team has raised this design requirement: An internet-facing Windows server runs an unsupported OS and the team expects ordinary patch deployment to fix it. What should the cybersecurity architect recommend?

  1. Plan isolation or migration to a supported platform with documented interim risk controls.
  2. Restrict privileged management ingress and require approved hardened administrative pathways.
  3. Include host operating-system patching and vulnerability monitoring in the container platform baseline.
  4. Specify OS-specific endpoint protection and secure configuration standards for the server estate.

Explanation

Correct Answer

A:

Unsupported systems cannot be assumed protected by nonexistent vendor updates. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: Production servers allow local administrator access from standard employee workstations. Management-plane isolation reduces lateral movement to critical server resources. It does not solve the specified case, for which Plan isolation or migration to a supported platform with documented interim risk controls. is appropriate.

C:

This recommendation fits a different scenario: A container host has healthy runtime workloads but its underlying operating system security updates are months behind. Securing containers does not eliminate weaknesses in the host kernel and services. It does not solve the specified case, for which Plan isolation or migration to a supported platform with documented interim risk controls. is appropriate.

D:

This recommendation fits a different scenario: A mixed Windows and Linux server fleet has no consistent detection coverage or local hardening baseline. Server controls must respect platform differences while meeting common risk requirements. It does not solve the specified case, for which Plan isolation or migration to a supported platform with documented interim risk controls. is appropriate.

Question 155

A regulated organization needs a safer design because: A cross-region incident requires inspecting east-west application connections but only internet ingress logs are retained. Which change MOST directly mitigates the design gap?

  1. Validate DNS and public endpoint disablement after the private connectivity migration.
  2. Inventory authorized application protocols and enforce narrow hybrid network access rules.
  3. Include monitoring endpoint reachability and firewall telemetry in network security acceptance tests.
  4. Design appropriate network flow telemetry for internal and cross-region sensitive paths.

Explanation

Correct Answer

D:

Lateral movement can occur without ever traversing the public perimeter. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A service is moved behind a private endpoint, yet its old public DNS name continues to resolve to an exposed address. Changing one application connection does not necessarily remove the original public attack surface. It does not solve the specified case, for which Design appropriate network flow telemetry for internal and cross-region sensitive paths. is appropriate.

B:

This recommendation fits a different scenario: The network team permits all ports between Azure and an acquired private cloud because it does not know the required application flows. Broad interconnects expand blast radius across cloud trust boundaries. It does not solve the specified case, for which Design appropriate network flow telemetry for internal and cross-region sensitive paths. is appropriate.

C:

This recommendation fits a different scenario: A branch firewall blocks Azure monitoring traffic after a network redesign, leaving a gap in security telemetry. Security sensors need working transport paths to deliver threat evidence. It does not solve the specified case, for which Design appropriate network flow telemetry for internal and cross-region sensitive paths. is appropriate.

Question 156

A cybersecurity architect is evaluating the following business requirement: Devices report compliant because a policy was assigned, yet the expected BitLocker protection is absent. Which architecture recommendation BEST addresses the case?

  1. Validate effective disk encryption state rather than relying on policy assignment alone.
  2. Detect configuration drift and reconcile operational changes against approved hardened baselines.
  3. Include product health, update freshness and telemetry availability in the endpoint assurance standard.
  4. Pilot platform-specific baseline controls and document justified workload exceptions.

Explanation

Correct Answer

A:

A deployed intention is not evidence of the required endpoint state. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A server build pipeline uses hardened templates but administrators repeatedly override settings after deployment. Ongoing assurance must catch unsafe deviations from the initial image. It does not solve the specified case, for which Validate effective disk encryption state rather than relying on policy assignment alone. is appropriate.

C:

This recommendation fits a different scenario: A compliance report shows that antivirus is installed but its signatures and cloud protection have not updated for weeks. Installed software alone does not prove current protective capability. It does not solve the specified case, for which Validate effective disk encryption state rather than relying on policy assignment alone. is appropriate.

D:

This recommendation fits a different scenario: A configuration team enables one generic security baseline for every device regardless of application compatibility. A baseline must be validated against supported operating systems and critical services. It does not solve the specified case, for which Validate effective disk encryption state rather than relying on policy assignment alone. is appropriate.

Question 157

A hybrid-cloud design review identifies this security gap: A production app relies on an unsupported open-source library but developers assume vendor support covers it. Which action is MOST appropriate for the stated need?

  1. Establish software bill of materials and dependency update governance for third-party packages.
  2. Require signed or attested release provenance linking build outputs to reviewed source revisions.
  3. Create a documented risk exception path with compensating controls and time-bounded remediation.
  4. Embed design review, testing and remediation in each phase of the application development lifecycle.

Explanation

Correct Answer

A:

Dependency provenance and maintenance are application-owner responsibilities. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A release manager cannot associate a production binary with the approved source commit. Supply-chain integrity depends on knowing the origin of deployed artifacts. It does not solve the specified case, for which Establish software bill of materials and dependency update governance for third-party packages. is appropriate.

C:

This recommendation fits a different scenario: A team accepts security defects in a release without recording who approved the exception or when it expires. A controlled exception should preserve accountability for residual application risk. It does not solve the specified case, for which Establish software bill of materials and dependency update governance for third-party packages. is appropriate.

D:

This recommendation fits a different scenario: An engineering group performs security review only after production incidents. Shift-left controls catch weaknesses before deployment while preserving operational feedback. It does not solve the specified case, for which Establish software bill of materials and dependency update governance for third-party packages. is appropriate.

Question 158

During a security architecture workshop, the team learns that: Production automation depends on one employee's Global Administrator credential and fails when that account is disabled. What should the cybersecurity architect recommend?

  1. Separate destructive backup administration from ordinary restore permissions and enforce independent approvals.
  2. Include directory recovery, privileged group validation and trusted identity checkpoints in the resilience plan.
  3. Maintain protected emergency administrative access with monitored, rehearsed recovery procedures.
  4. Replace person-bound privileged automation with a governed workload identity and least-privilege permissions.

Explanation

Correct Answer

D:

Nonhuman service continuity should not depend on an individual's account lifecycle or standing tenant-wide privilege. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A backup operator can both delete immutable backup protection settings and restore data without independent approval. Separation of duties reduces the impact of one compromised recovery operator. It does not solve the specified case, for which Replace person-bound privileged automation with a governed workload identity and least-privilege permissions. is appropriate.

B:

This recommendation fits a different scenario: Domain controllers in every region replicate untested privileged group changes during a security incident. The identity plane is a recovery dependency and can propagate harmful changes across otherwise isolated sites. It does not solve the specified case, for which Replace person-bound privileged automation with a governed workload identity and least-privilege permissions. is appropriate.

C:

This recommendation fits a different scenario: Ransomware responders cannot use recovery consoles because the tenant's normal administrator identities were disabled. Resilient privileged access preserves a controlled recovery path when ordinary accounts or policies fail. It does not solve the specified case, for which Replace person-bound privileged automation with a governed workload identity and least-privilege permissions. is appropriate.

Question 159

A multinational enterprise reports this risk: A user replaces a phone and cannot complete MFA, so support plans to disable all MFA enforcement. Which change MOST directly mitigates the design gap?

  1. Design a verified recovery and strong-method re-registration process for lost authenticators.
  2. Inventory unsupported client protocols and stage their replacement before enforcing passwordless access.
  3. Include session revocation and token investigation in identity compromise response.
  4. Design risk-based verification, containment and credential recovery workflows for compromised accounts.

Explanation

Correct Answer

A:

Recovery must not create a weaker bypass around the identity controls it restores. This choice directly fits the stated architecture requirement.

Incorrect Answers

B:

This recommendation fits a different scenario: A directory team plans passwordless deployment without assessing which legacy applications support modern authentication. Modern sign-in requires compatible clients and applications; enrollment alone does not update legacy protocols. It does not solve the specified case, for which Design a verified recovery and strong-method re-registration process for lost authenticators. is appropriate.

C:

This recommendation fits a different scenario: A compromised session remains active after password change and the owner believes password reset alone closes the incident. Existing sessions may survive a credential update until explicit or policy-driven invalidation. It does not solve the specified case, for which Design a verified recovery and strong-method re-registration process for lost authenticators. is appropriate.

D:

This recommendation fits a different scenario: A high-risk identity appears in Identity Protection and the help desk proposes dismissing it without investigation. Risk signals need justified response rather than dashboard-only dismissal. It does not solve the specified case, for which Design a verified recovery and strong-method re-registration process for lost authenticators. is appropriate.

Question 160

An architecture approval board must resolve this concern: An application assessment scores a public healthcare API and an internal demo app equally because both lack one HTTP header. Which architecture recommendation BEST addresses the case?

  1. Assign application security ownership and a funded vulnerability management lifecycle.
  2. Build an application security inventory with criticality, exposure, ownership and identity dependencies.
  3. Prioritize application posture findings by reachable attack paths and regulated data impact.
  4. Validate the application-specific configuration and customer responsibility model separately from vendor assurances.

Explanation

Correct Answer

C:

Contextual risk matters more than equal treatment of every checklist failure. This choice directly fits the stated architecture requirement.

Incorrect Answers

A:

This recommendation fits a different scenario: A security board authorizes a new application but no one owns future dependency updates. Application protection must continue after initial launch and approval. It does not solve the specified case, for which Prioritize application posture findings by reachable attack paths and regulated data impact. is appropriate.

B:

This recommendation fits a different scenario: A corporation has hundreds of internal apps but no inventory of their hosting, owners or authentication methods. Portfolio risk cannot be assessed without knowing the applications and their attack surfaces. It does not solve the specified case, for which Prioritize application posture findings by reachable attack paths and regulated data impact. is appropriate.

D:

This recommendation fits a different scenario: A software vendor claims SOC reports prove that every custom configuration of its application is secure. General vendor audits do not verify the purchaser's unique deployment controls. It does not solve the specified case, for which Prioritize application posture findings by reachable attack paths and regulated data impact. is appropriate.


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