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SC-900 Training Course: 147 Video Lectures

SC-900 PDF Study Guide: 413 Pages

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Microsoft SC-900 Practice Test 52

Question 510

During an access-management redesign at a national retailer, the security architect records this concrete requirement: A SOC wants to investigate a threat hypothesis that has not yet matched an active analytic rule. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use Microsoft Sentinel hunting queries against available telemetry and preserve findings. Which evidence BEST verifies that the action met its stated purpose?

  1. Run a hypothesis-driven hunt and record matching events or absence of evidence with scope.
  2. Review discovered cloud applications, risk information, and relevant activity observations.
  3. Inspect affected software, exposed devices, and remediation status after a corrective update.
  4. Compare score and recommendation status before and after a documented remediation.

Explanation

Correct Answer

A:

Run a hypothesis-driven hunt and record matching events or absence of evidence with scope. Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts.

Incorrect Answers

B:

Review discovered cloud applications, risk information, and relevant activity observations. This would test defender for cloud apps, whereas the required evidence is: Run a hypothesis-driven hunt and record matching events or absence of evidence with scope.

C:

Inspect affected software, exposed devices, and remediation status after a corrective update. This would test defender vulnerability management, whereas the required evidence is: Run a hypothesis-driven hunt and record matching events or absence of evidence with scope.

D:

Compare score and recommendation status before and after a documented remediation. This would test defender for cloud secure score, whereas the required evidence is: Run a hypothesis-driven hunt and record matching events or absence of evidence with scope.

Question 511

Following a policy exception hearing at an international shipping company, the cloud platform manager has to defend a design against oversimplified assumptions. The requirement is: A SOC wants to investigate a threat hypothesis that has not yet matched an active analytic rule. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. Cross-product correlation connects different attack stages through shared evidence.
  2. Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts.
  3. EDR is concerned with detecting and responding to endpoint behaviors after or during an attack.
  4. Automated investigation can speed consistent threat response under governed settings.

Explanation

Correct Answer

B:

Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts. It explains why the selected measure—Use Microsoft Sentinel hunting queries against available telemetry and preserve findings—fits the specific requirement. It should be verified by checking: Run a hypothesis-driven hunt and record matching events or absence of evidence with scope.

Incorrect Answers

A:

Cross-product correlation connects different attack stages through shared evidence. This describes incident correlation across products; the governing concept here is: Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts.

C:

EDR is concerned with detecting and responding to endpoint behaviors after or during an attack. This describes endpoint detection and response; the governing concept here is: Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts.

D:

Automated investigation can speed consistent threat response under governed settings. This describes defender automated investigation; the governing concept here is: Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts.

Question 512

Following a policy exception hearing at an international shipping company, the cloud platform manager has to defend a design against oversimplified assumptions. The requirement is: A SOC wants to investigate a threat hypothesis that has not yet matched an active analytic rule. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains.
  2. Assuming Defender for Cloud is merely an antivirus agent for one Windows desktop.
  3. Assuming threat hunting can substitute for actually ingesting the source data being searched.
  4. Assuming every automation always deletes files or accounts without policy and evidence.

Explanation

Correct Answer

C:

Assuming threat hunting can substitute for actually ingesting the source data being searched. This belief conflicts with this control principle: Threat hunting proactively searches for suspicious patterns rather than waiting only for alerts. The appropriate response instead is: Use Microsoft Sentinel hunting queries against available telemetry and preserve findings.

Incorrect Answers

A:

Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains. That caution concerns microsoft defender xdr overview; the specific misconception here is: Assuming threat hunting can substitute for actually ingesting the source data being searched.

B:

Assuming Defender for Cloud is merely an antivirus agent for one Windows desktop. That caution concerns microsoft defender for cloud overview; the specific misconception here is: Assuming threat hunting can substitute for actually ingesting the source data being searched.

D:

Assuming every automation always deletes files or accounts without policy and evidence. That caution concerns defender automated investigation; the specific misconception here is: Assuming threat hunting can substitute for actually ingesting the source data being searched.

Question 513

During a cloud governance workshop at a financial software company, the compliance analyst records this concrete requirement: A SOC must correlate identity, endpoint, email, and cloud application security incidents. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Use Microsoft Defender XDR's unified incident and cross-domain investigation experience.
  2. Separate network components with Azure virtual networks or subnets and explicit connectivity design.
  3. Use a security information and event management approach to collect, analyze, and correlate telemetry.
  4. Use Defender for Cloud CSPM assessments and recommendations to evaluate cloud resource posture.

Explanation

Correct Answer

A:

Use Microsoft Defender XDR's unified incident and cross-domain investigation experience. Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response. To verify, inspect a multi-signal incident that links available alerts and affected entities.

Incorrect Answers

B:

Separate network components with Azure virtual networks or subnets and explicit connectivity design. That addresses a different task: two application tiers need isolated address spaces and carefully controlled connectivity. The present requirement concerns microsoft defender xdr overview.

C:

Use a security information and event management approach to collect, analyze, and correlate telemetry. That addresses a different task: a SOC needs a common place to collect and correlate security events from different systems. The present requirement concerns microsoft defender xdr overview.

D:

Use Defender for Cloud CSPM assessments and recommendations to evaluate cloud resource posture. That addresses a different task: a cloud estate needs ongoing detection of insecure configurations before an attacker exploits them. The present requirement concerns microsoft defender xdr overview.

Question 514

During a cloud governance workshop at a financial software company, the compliance analyst records this concrete requirement: A SOC must correlate identity, endpoint, email, and cloud application security incidents. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use Microsoft Defender XDR's unified incident and cross-domain investigation experience. Which evidence BEST verifies that the action met its stated purpose?

  1. Query the relevant event table and confirm recent events arrived with expected timestamps.
  2. Inspect a multi-signal incident that links available alerts and affected entities.
  3. Review WAF logs and matched rules for simulated malicious HTTP requests.
  4. Review protection coverage and attack telemetry or metrics for the protected public endpoint.

Explanation

Correct Answer

B:

Inspect a multi-signal incident that links available alerts and affected entities. Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response.

Incorrect Answers

A:

Query the relevant event table and confirm recent events arrived with expected timestamps. This would test sentinel data connectors, whereas the required evidence is: Inspect a multi-signal incident that links available alerts and affected entities.

C:

Review WAF logs and matched rules for simulated malicious HTTP requests. This would test azure web application firewall, whereas the required evidence is: Inspect a multi-signal incident that links available alerts and affected entities.

D:

Review protection coverage and attack telemetry or metrics for the protected public endpoint. This would test azure ddos protection, whereas the required evidence is: Inspect a multi-signal incident that links available alerts and affected entities.

Question 515

Following a licensing and controls review at a digital payments startup, the IT operations director has to defend a design against oversimplified assumptions. The requirement is: A SOC must correlate identity, endpoint, email, and cloud application security incidents. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. Sentinel playbooks automate selected response tasks using workflow integrations.
  2. Microsoft Sentinel supplies cloud-native SIEM and response capabilities across diverse telemetry.
  3. Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response.
  4. Defender for Storage is a workload-specific protection for storage resource threats.

Explanation

Correct Answer

C:

Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response. It explains why the selected measure—Use Microsoft Defender XDR's unified incident and cross-domain investigation experience—fits the specific requirement. It should be verified by checking: Inspect a multi-signal incident that links available alerts and affected entities.

Incorrect Answers

A:

Sentinel playbooks automate selected response tasks using workflow integrations. This describes sentinel playbooks; the governing concept here is: Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response.

B:

Microsoft Sentinel supplies cloud-native SIEM and response capabilities across diverse telemetry. This describes microsoft sentinel central analytics; the governing concept here is: Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response.

D:

Defender for Storage is a workload-specific protection for storage resource threats. This describes defender for storage; the governing concept here is: Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response.

Question 516

Following a licensing and controls review at a digital payments startup, the IT operations director has to defend a design against oversimplified assumptions. The requirement is: A SOC must correlate identity, endpoint, email, and cloud application security incidents. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming Azure Firewall automatically inspects traffic that was never routed through it.
  2. Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.
  3. Assuming a playbook with no trigger can respond to an incident as soon as one is ingested.
  4. Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains.

Explanation

Correct Answer

D:

Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains. This belief conflicts with this control principle: Defender XDR connects supported Microsoft threat-protection signals for unified investigation and response. The appropriate response instead is: Use Microsoft Defender XDR's unified incident and cross-domain investigation experience.

Incorrect Answers

A:

Assuming Azure Firewall automatically inspects traffic that was never routed through it. That caution concerns azure firewall; the specific misconception here is: Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains.

B:

Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure. That caution concerns azure ddos protection; the specific misconception here is: Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains.

C:

Assuming a playbook with no trigger can respond to an incident as soon as one is ingested. That caution concerns sentinel playbooks; the specific misconception here is: Assuming Defender XDR is only a single antivirus engine and cannot correlate supported security domains.

Question 517

During a vendor assurance review at a public utility, the risk manager records this concrete requirement: A mail security team needs protection and investigation for malicious messages and phishing. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Evaluate matching NSG rules in effective priority order and apply the intended first match.
  2. Use Microsoft Defender for Office 365 for supported email and collaboration threat protection.
  3. Use Azure Key Vault for supported secret and key storage with appropriate identity authorization.
  4. Use a Sentinel playbook and suitable trigger or automation configuration.

Explanation

Correct Answer

B:

Use Microsoft Defender for Office 365 for supported email and collaboration threat protection. Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks. To verify, inspect relevant mail threat detections and message investigation or remediation events.

Incorrect Answers

A:

Evaluate matching NSG rules in effective priority order and apply the intended first match. That addresses a different task: two NSG rules appear to conflict for the same traffic, and an administrator needs to predict the result. The present requirement concerns defender for office 365.

C:

Use Azure Key Vault for supported secret and key storage with appropriate identity authorization. That addresses a different task: applications must store sensitive secrets, keys, and certificates under auditable access controls. The present requirement concerns defender for office 365.

D:

Use a Sentinel playbook and suitable trigger or automation configuration. That addresses a different task: a SOC wants to automatically enrich an incident and notify an on-call team after detection. The present requirement concerns defender for office 365.

Question 518

During a vendor assurance review at a public utility, the risk manager records this concrete requirement: A mail security team needs protection and investigation for malicious messages and phishing. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use Microsoft Defender for Office 365 for supported email and collaboration threat protection. Which evidence BEST verifies that the action met its stated purpose?

  1. Confirm admins reach the VM over Bastion while direct public management ports remain closed.
  2. Inspect plan coverage and a representative workload protection alert or health status.
  3. Inspect relevant mail threat detections and message investigation or remediation events.
  4. Review WAF logs and matched rules for simulated malicious HTTP requests.

Explanation

Correct Answer

C:

Inspect relevant mail threat detections and message investigation or remediation events. Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks.

Incorrect Answers

A:

Confirm admins reach the VM over Bastion while direct public management ports remain closed. This would test azure bastion, whereas the required evidence is: Inspect relevant mail threat detections and message investigation or remediation events.

B:

Inspect plan coverage and a representative workload protection alert or health status. This would test cloud workload protection, whereas the required evidence is: Inspect relevant mail threat detections and message investigation or remediation events.

D:

Review WAF logs and matched rules for simulated malicious HTTP requests. This would test azure web application firewall, whereas the required evidence is: Inspect relevant mail threat detections and message investigation or remediation events.

Question 519

Following a business continuity review at a public transport operator, the technology auditor has to defend a design against oversimplified assumptions. The requirement is: A mail security team needs protection and investigation for malicious messages and phishing. The review is limited to the control and concept described by this requirement. Which security, identity, or compliance principle MOST directly explains the appropriate approach?

  1. NSGs evaluate allow or deny rules for network traffic at subnet or interface scope.
  2. Microsoft Sentinel supplies cloud-native SIEM and response capabilities across diverse telemetry.
  3. Security recommendations identify actionable configuration gaps against policy and benchmarks.
  4. Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks.

Explanation

Correct Answer

D:

Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks. It explains why the selected measure—Use Microsoft Defender for Office 365 for supported email and collaboration threat protection—fits the specific requirement. It should be verified by checking: Inspect relevant mail threat detections and message investigation or remediation events.

Incorrect Answers

A:

NSGs evaluate allow or deny rules for network traffic at subnet or interface scope. This describes network security groups; the governing concept here is: Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks.

B:

Microsoft Sentinel supplies cloud-native SIEM and response capabilities across diverse telemetry. This describes microsoft sentinel central analytics; the governing concept here is: Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks.

C:

Security recommendations identify actionable configuration gaps against policy and benchmarks. This describes security recommendations; the governing concept here is: Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks.

Question 520

Following a business continuity review at a public transport operator, the technology auditor has to defend a design against oversimplified assumptions. The requirement is: A mail security team needs protection and investigation for malicious messages and phishing. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming an endpoint antivirus policy is an adequate substitute for email threat protections.
  2. Assuming posture assessments are identical to real-time interception of every malicious packet.
  3. Assuming an NSG is a web-application attack signature engine that understands SQL injection payloads.
  4. Assuming a dashboard pass replaces an organization-wide formal compliance audit.

Explanation

Correct Answer

A:

Assuming an endpoint antivirus policy is an adequate substitute for email threat protections. This belief conflicts with this control principle: Defender for Office 365 targets phishing, malicious content, and collaboration-related attacks. The appropriate response instead is: Use Microsoft Defender for Office 365 for supported email and collaboration threat protection.

Incorrect Answers

B:

Assuming posture assessments are identical to real-time interception of every malicious packet. That caution concerns cloud security posture management; the specific misconception here is: Assuming an endpoint antivirus policy is an adequate substitute for email threat protections.

C:

Assuming an NSG is a web-application attack signature engine that understands SQL injection payloads. That caution concerns network security groups; the specific misconception here is: Assuming an endpoint antivirus policy is an adequate substitute for email threat protections.

D:

Assuming a dashboard pass replaces an organization-wide formal compliance audit. That caution concerns regulatory compliance dashboard; the specific misconception here is: Assuming an endpoint antivirus policy is an adequate substitute for email threat protections.


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