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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 59

Question 580

Following a licensing and controls review at a subscription media service, the information governance lead has to defend a design against oversimplified assumptions. The requirement is: Analysts need to search supported security telemetry for a new attack technique across endpoints. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming deploying a firewall alone verifies every container image and runtime configuration.
  2. Assuming SIEM is primarily a tool for issuing employee identity cards.
  3. Assuming posture assessments are identical to real-time interception of every malicious packet.
  4. Assuming a hunting query returns events for devices that were never onboarded or supplied data.

Explanation

Correct Answer

D:

Assuming a hunting query returns events for devices that were never onboarded or supplied data. This belief conflicts with this control principle: Advanced hunting searches supported security data and relies on covered telemetry. The appropriate response instead is: Use Defender XDR advanced hunting queries over available supported data.

Incorrect Answers

A:

Assuming deploying a firewall alone verifies every container image and runtime configuration. That caution concerns defender for containers; the specific misconception here is: Assuming a hunting query returns events for devices that were never onboarded or supplied data.

B:

Assuming SIEM is primarily a tool for issuing employee identity cards. That caution concerns siem concept; the specific misconception here is: Assuming a hunting query returns events for devices that were never onboarded or supplied data.

C:

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 a hunting query returns events for devices that were never onboarded or supplied data.

Question 581

During a vendor assurance review at a telecom operator, the incident responder records this concrete requirement: An analyst needs to limit the network spread of a confirmed compromised endpoint. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Use a security information and event management approach to collect, analyze, and correlate telemetry.
  2. Use an appropriate Defender for Endpoint device isolation response when authorized and supported.
  3. Apply appropriately scoped network security group rules to the subnet or network interface.
  4. Evaluate matching NSG rules in effective priority order and apply the intended first match.

Explanation

Correct Answer

B:

Use an appropriate Defender for Endpoint device isolation response when authorized and supported. Endpoint isolation contains a compromised device while allowing governed investigation. To verify, confirm isolation status and investigate subsequent connection behavior on the targeted device.

Incorrect Answers

A:

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 endpoint device isolation.

C:

Apply appropriately scoped network security group rules to the subnet or network interface. That addresses a different task: a subnet must permit application traffic on one port while denying unwanted inbound flows. The present requirement concerns endpoint device isolation.

D:

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 endpoint device isolation.

Question 582

During a vendor assurance review at a telecom operator, the incident responder records this concrete requirement: An analyst needs to limit the network spread of a confirmed compromised endpoint. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use an appropriate Defender for Endpoint device isolation response when authorized and supported. Which evidence BEST verifies that the action met its stated purpose?

  1. Review grouped alerts, affected entities, and investigation status under one incident record.
  2. Confirm server inventory, relevant protection integration, and security alert visibility.
  3. Confirm isolation status and investigate subsequent connection behavior on the targeted device.
  4. Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.

Explanation

Correct Answer

C:

Confirm isolation status and investigate subsequent connection behavior on the targeted device. Endpoint isolation contains a compromised device while allowing governed investigation.

Incorrect Answers

A:

Review grouped alerts, affected entities, and investigation status under one incident record. This would test sentinel incident investigation, whereas the required evidence is: Confirm isolation status and investigate subsequent connection behavior on the targeted device.

B:

Confirm server inventory, relevant protection integration, and security alert visibility. This would test defender for servers, whereas the required evidence is: Confirm isolation status and investigate subsequent connection behavior on the targeted device.

D:

Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections. This would test azure firewall, whereas the required evidence is: Confirm isolation status and investigate subsequent connection behavior on the targeted device.

Question 583

Following a business continuity review at an industrial design firm, the security architect has to defend a design against oversimplified assumptions. The requirement is: An analyst needs to limit the network spread of a confirmed compromised endpoint. 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. WAF is focused on HTTP or HTTPS application-layer request protection, not general VM management.
  3. Defender for Cloud combines cloud security posture management and workload threat protection capabilities.
  4. Endpoint isolation contains a compromised device while allowing governed investigation.

Explanation

Correct Answer

D:

Endpoint isolation contains a compromised device while allowing governed investigation. It explains why the selected measure—Use an appropriate Defender for Endpoint device isolation response when authorized and supported—fits the specific requirement. It should be verified by checking: Confirm isolation status and investigate subsequent connection behavior on the targeted device.

Incorrect Answers

A:

Sentinel playbooks automate selected response tasks using workflow integrations. This describes sentinel playbooks; the governing concept here is: Endpoint isolation contains a compromised device while allowing governed investigation.

B:

WAF is focused on HTTP or HTTPS application-layer request protection, not general VM management. This describes azure web application firewall; the governing concept here is: Endpoint isolation contains a compromised device while allowing governed investigation.

C:

Defender for Cloud combines cloud security posture management and workload threat protection capabilities. This describes microsoft defender for cloud overview; the governing concept here is: Endpoint isolation contains a compromised device while allowing governed investigation.

Question 584

Following a business continuity review at an industrial design firm, the security architect has to defend a design against oversimplified assumptions. The requirement is: An analyst needs to limit the network spread of a confirmed compromised endpoint. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming isolating one endpoint automatically remediates all other compromised identities and devices.
  2. Assuming SIEM is primarily a tool for issuing employee identity cards.
  3. Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.
  4. Assuming storage threat detections are equivalent to a corporate email phishing filter.

Explanation

Correct Answer

A:

Assuming isolating one endpoint automatically remediates all other compromised identities and devices. This belief conflicts with this control principle: Endpoint isolation contains a compromised device while allowing governed investigation. The appropriate response instead is: Use an appropriate Defender for Endpoint device isolation response when authorized and supported.

Incorrect Answers

B:

Assuming SIEM is primarily a tool for issuing employee identity cards. That caution concerns siem concept; the specific misconception here is: Assuming isolating one endpoint automatically remediates all other compromised identities and devices.

C:

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 isolating one endpoint automatically remediates all other compromised identities and devices.

D:

Assuming storage threat detections are equivalent to a corporate email phishing filter. That caution concerns defender for storage; the specific misconception here is: Assuming isolating one endpoint automatically remediates all other compromised identities and devices.

Question 585

During a production cutover at a digital payments startup, the risk manager records this concrete requirement: A public-facing Azure application requires mitigation against volumetric network-layer denial-of-service attacks. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Use appropriate Defender automated investigation and response controls with reviewed permissions.
  2. Use Microsoft Sentinel hunting queries against available telemetry and preserve findings.
  3. Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency.
  4. Use Microsoft Defender for Cloud Apps discovery and cloud app monitoring capabilities.

Explanation

Correct Answer

C:

Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency. This is the best match because DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection. A practical confirmation is: Review protection coverage and attack telemetry or metrics for the protected public endpoint.

Incorrect Answers

A:

Use appropriate Defender automated investigation and response controls with reviewed permissions. That addresses a different task: a SOC wants supported automated investigation and remediation for certain endpoint or email threats. The present requirement concerns azure ddos protection.

B:

Use Microsoft Sentinel hunting queries against available telemetry and preserve findings. That addresses a different task: a SOC wants to investigate a threat hypothesis that has not yet matched an active analytic rule. The present requirement concerns azure ddos protection.

D:

Use Microsoft Defender for Cloud Apps discovery and cloud app monitoring capabilities. This response addresses a different security or compliance task, namely: IT wants visibility into sanctioned and unsanctioned cloud app usage and associated risks. The immediate case instead calls for azure ddos protection; specifically, use appropriate azure ddos protection capabilities for public ip resources while planning application resiliency.

Question 586

During a production cutover at a digital payments startup, the risk manager records this concrete requirement: A public-facing Azure application requires mitigation against volumetric network-layer denial-of-service attacks. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency. Which evidence BEST verifies that the action met its stated purpose?

  1. Confirm server inventory, relevant protection integration, and security alert visibility.
  2. Inspect common entities, incident timelines, and consolidated alert grouping.
  3. Open the relevant incident and confirm linked alerts and investigation actions are visible.
  4. Review protection coverage and attack telemetry or metrics for the protected public endpoint.

Explanation

Correct Answer

D:

Review protection coverage and attack telemetry or metrics for the protected public endpoint. This tests the relevant control rather than an adjacent capability. The implemented response is: Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency. The control principle is: DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection.

Incorrect Answers

A:

Confirm server inventory, relevant protection integration, and security alert visibility. This would test defender for servers, whereas the required evidence is: Review protection coverage and attack telemetry or metrics for the protected public endpoint.

B:

Inspect common entities, incident timelines, and consolidated alert grouping. This would test incident correlation across products, whereas the required evidence is: Review protection coverage and attack telemetry or metrics for the protected public endpoint.

C:

Open the relevant incident and confirm linked alerts and investigation actions are visible. This would test microsoft defender portal, whereas the required evidence is: Review protection coverage and attack telemetry or metrics for the protected public endpoint.

Question 587

Following a compliance walkthrough at an energy provider, the technology auditor has to defend a design against oversimplified assumptions. The requirement is: A public-facing Azure application requires mitigation against volumetric network-layer denial-of-service attacks. 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. DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection.
  2. Automated investigation can speed consistent threat response under governed settings.
  3. SIEM centralizes security telemetry and analytic detection across services.
  4. Analytics rules turn telemetry patterns into alerts or incidents according to configured logic.

Explanation

Correct Answer

A:

DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection. It explains why the selected measure—Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency—fits the specific requirement. It should be verified by checking: Review protection coverage and attack telemetry or metrics for the protected public endpoint.

Incorrect Answers

B:

Automated investigation can speed consistent threat response under governed settings. This statement belongs to defender automated investigation; it does not directly explain the narrower requirement here. The governing concept for this case is: DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection.

C:

SIEM centralizes security telemetry and analytic detection across services. This statement belongs to siem concept; it does not directly explain the narrower requirement here. The governing concept for this case is: DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection.

D:

Analytics rules turn telemetry patterns into alerts or incidents according to configured logic. This describes sentinel analytics rules; the governing concept here is: DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection.

Question 588

Following a compliance walkthrough at an energy provider, the technology auditor has to defend a design against oversimplified assumptions. The requirement is: A public-facing Azure application requires mitigation against volumetric network-layer denial-of-service attacks. The review is limited to the control and concept described by this requirement. Which unsupported assumption would MOST directly undermine this requirement?

  1. Assuming a hunting query returns events for devices that were never onboarded or supplied data.
  2. Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.
  3. Assuming an identity sign-in log contains every endpoint process tree and response action.
  4. Assuming enrolling a user in Entra alone deploys endpoint detection sensors to every laptop.

Explanation

Correct Answer

B:

Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure. This belief conflicts with this control principle: DDoS Protection addresses denial-of-service traffic; it is not the same control as web-request inspection. The appropriate response instead is: Use appropriate Azure DDoS Protection capabilities for public IP resources while planning application resiliency.

Incorrect Answers

A:

Assuming a hunting query returns events for devices that were never onboarded or supplied data. That caution concerns defender xdr advanced hunting; the specific misconception here is: Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.

C:

Assuming an identity sign-in log contains every endpoint process tree and response action. That caution concerns endpoint detection and response; the specific misconception here is: Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.

D:

Assuming enrolling a user in Entra alone deploys endpoint detection sensors to every laptop. That caution concerns defender for endpoint; the specific misconception here is: Assuming an HTTP WAF alone mitigates every network-layer flood against public IP infrastructure.

Question 589

During a pilot deployment at a public transport operator, the application administrator records this concrete requirement: Multiple Azure subnets require centralized, stateful network traffic policy and logging. The solution must address this requirement directly, without replacing unrelated controls. Which primary response BEST meets the requirement?

  1. Review appropriate Defender for Cloud Apps app governance insights and consented app risk.
  2. Use Microsoft Defender for Cloud Apps discovery and cloud app monitoring capabilities.
  3. Use supported Defender for Cloud Apps session controls integrated with the access policy.
  4. Use Azure Firewall and deliberate routing to enforce central network and application traffic rules.

Explanation

Correct Answer

D:

Use Azure Firewall and deliberate routing to enforce central network and application traffic rules. This is the best match because Azure Firewall supplies centralized network traffic inspection and rule enforcement for routed flows. A practical confirmation is: Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.

Incorrect Answers

A:

Review appropriate Defender for Cloud Apps app governance insights and consented app risk. That addresses a different task: a tenant needs to detect risky OAuth application permissions granted to third-party apps. The present requirement concerns azure firewall.

B:

Use Microsoft Defender for Cloud Apps discovery and cloud app monitoring capabilities. That addresses a different task: iT wants visibility into sanctioned and unsanctioned cloud app usage and associated risks. The present requirement concerns azure firewall.

C:

Use supported Defender for Cloud Apps session controls integrated with the access policy. That addresses a different task: a company wants to restrict downloads from a risky cloud application session. The present requirement concerns azure firewall.

Question 590

During a pilot deployment at a public transport operator, the application administrator records this concrete requirement: Multiple Azure subnets require centralized, stateful network traffic policy and logging. The solution must address this requirement directly, without replacing unrelated controls. The team implements the following response: Use Azure Firewall and deliberate routing to enforce central network and application traffic rules. Which evidence BEST verifies that the action met its stated purpose?

  1. Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.
  2. Confirm isolation status and investigate subsequent connection behavior on the targeted device.
  3. Inspect investigation results, action approvals where configured, and remediation history.
  4. Confirm multiple data sources feed searchable events and correlation alerts into the SOC platform.

Explanation

Correct Answer

A:

Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections. This tests the relevant control rather than an adjacent capability. The implemented response is: Use Azure Firewall and deliberate routing to enforce central network and application traffic rules. The control principle is: Azure Firewall supplies centralized network traffic inspection and rule enforcement for routed flows.

Incorrect Answers

B:

Confirm isolation status and investigate subsequent connection behavior on the targeted device. This would test endpoint device isolation, whereas the required evidence is: Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.

C:

Inspect investigation results, action approvals where configured, and remediation history. This would test defender automated investigation, whereas the required evidence is: Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.

D:

Confirm multiple data sources feed searchable events and correlation alerts into the SOC platform. This would test siem concept, whereas the required evidence is: Inspect effective routes, matching firewall rules, and firewall diagnostic logs for sample connections.


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