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Cisco 350-201 Practice Test 3

Question 20

For an original CBRCOR educational scenario, consider: An incident is declared closed as soon as an IP is blocked even though validation and recovery criteria are absent. Select TWO complementary steps: the targeted correction and its strongest prechange validation.

  1. Check: Recalculate detection and containment durations from source alert, first malicious activity, intervention and restoration timestamps.
  2. Change: Execute preparation, detection and analysis, containment, eradication, recovery and post-incident improvement with evidence at each stage.
  3. Change: Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages.
  4. Check: Dry-run an affected host through collection, isolation, validated cleanup and signed closure using a timeline checklist.
  5. Delete host artifacts and clear all alerts immediately after the first blocking rule is applied.

Explanation

Correct Answer

C:

Containment reduces immediate exposure but does not replace forensic preservation, recovery testing or incident closure. Acceptance: Required evidence is retained and an incident cannot close until authorized recovery and monitoring checks succeed.

D:

Containment reduces immediate exposure but does not replace forensic preservation, recovery testing or incident closure. Required intervention: Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages.

Incorrect Answers

A:

Check: Recalculate detection and containment durations from source alert, first malicious activity, intervention and restoration timestamps. Containment reduces immediate exposure but does not replace forensic preservation, recovery testing or incident closure.

B:

Change: Execute preparation, detection and analysis, containment, eradication, recovery and post-incident improvement with evidence at each stage. Containment reduces immediate exposure but does not replace forensic preservation, recovery testing or incident closure.

E:

For this select two assessment, the shortcut changes or bypasses the necessary correctness, governance or operational boundary rather than correcting it. Containment reduces immediate exposure but does not replace forensic preservation, recovery testing or incident closure.

Question 21

A SOC analyst is examining this cybersecurity operations situation: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise. A proposed shortcut is: Execute the most disruptive containment step for every alert without evaluating its confidence or business impact. What should the SOC analyst recommend as the narrowly scoped correction? Select ONE best answer.

  1. Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.
  2. Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages.
  3. Validate the attack pattern and coordinate rate controls, upstream mitigation and service-health monitoring through the DDoS playbook.
  4. Execute the most disruptive containment step for every alert without evaluating its confidence or business impact.

Explanation

Correct Answer

A:

This targeted action addresses the observed security or operational control gap without discarding necessary controls. The required acceptance condition is: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails.

Incorrect Answers

B:

Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

C:

Validate the attack pattern and coordinate rate controls, upstream mitigation and service-health monitoring through the DDoS playbook. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage. For this best change assessment, the shortcut changes or bypasses the necessary correctness, governance or operational boundary rather than correcting it.

Question 22

A Cisco cybersecurity incident response review finds: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise. The team proposes: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook. Which engineering principle most strongly supports the recommended response? Select ONE best answer.

  1. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.
  2. A smaller alert queue is not evidence of better coverage if true threats are suppressed alongside noise.
  3. Payment-card data environments require scoping and control evidence tied to card processing, storage and transmission, not a generic assurance label.
  4. Vulnerability severity informs risk, but impact and likelihood depend on asset criticality, attacker opportunity and compensating controls.

Explanation

Correct Answer

A:

Demonstrable success requires: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. This principle explains the proposed technical approach, which is: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.

Incorrect Answers

B:

A smaller alert queue is not evidence of better coverage if true threats are suppressed alongside noise. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

C:

Payment-card data environments require scoping and control evidence tied to card processing, storage and transmission, not a generic assurance label. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Vulnerability severity informs risk, but impact and likelihood depend on asset criticality, attacker opportunity and compensating controls. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 23

The SOC team has not yet approved changes. Current evidence indicates: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise. Which evidence best tests the technical diagnosis before approving a disruptive change? Select ONE best answer.

  1. Trace card data paths, payment integrations, service-provider attestations and relevant encryption and access controls.
  2. Trace workload locations, ownership, identity federation, physical administration and connectivity across a representative service.
  3. Test normal, false-positive and third-party-failure paths against recorded decision criteria and communications.
  4. Recalculate detection and containment durations from source alert, first malicious activity, intervention and restoration timestamps.

Explanation

Correct Answer

C:

Confirm afterward that: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. Applied case: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise.

Incorrect Answers

A:

Trace card data paths, payment integrations, service-provider attestations and relevant encryption and access controls. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

Trace workload locations, ownership, identity federation, physical administration and connectivity across a representative service. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Recalculate detection and containment durations from source alert, first malicious activity, intervention and restoration timestamps. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 24

A candidate correction has been tested and the platform team requires a post-change acceptance check. Original problem: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise. The response owner needs positive and negative results and evidence that legitimate security and business workflows still function. Which acceptance result demonstrates correct security operations behavior without disrupting authorized workflows? Select ONE best answer.

  1. The residual-risk plan documents covered and uncovered exposures without removing essential security operations safeguards.
  2. The cloud VM follows customer-owned guest and access controls without falsely attributing them to the provider.
  3. Trend metrics identify the specific stage that slows response and are reproducible from incident evidence.
  4. Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails.

Explanation

Correct Answer

D:

Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage. The result must be validated using the documented device, service or access context.

Incorrect Answers

A:

The residual-risk plan documents covered and uncovered exposures without removing essential security operations safeguards. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

The cloud VM follows customer-owned guest and access controls without falsely attributing them to the provider. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

C:

Trend metrics identify the specific stage that slows response and are reproducible from incident evidence. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 25

An implementation sign-off request identifies the following problem: A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise. Which paired technical change and validation should close the implementation review? Select ONE best answer.

  1. Change: Distinguish privacy, financial-reporting and service-assurance requirements and map each to the actual business activity. Verify: Inspect personal-data flows, financial reporting systems, report criteria and contractual assurance scope separately.
  2. Change: Define observable entry conditions, responsible roles, decision points and escalation targets in the incident playbook. Verify: Walk a mock alert through the entry conditions and ownership matrix while recording decisions and approvals.
  3. Change: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook. Verify: Test normal, false-positive and third-party-failure paths against recorded decision criteria and communications.
  4. Change: Measure detection, acknowledgment, containment and recovery intervals with consistent event definitions and representative incident populations. Verify: Recalculate detection and containment durations from source alert, first malicious activity, intervention and restoration timestamps.

Explanation

Correct Answer

C:

The change is successful only when: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails.

Incorrect Answers

A:

Change: Distinguish privacy, financial-reporting and service-assurance requirements and map each to the actual business activity. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

Change: Define observable entry conditions, responsible roles, decision points and escalation targets in the incident playbook. A generic phishing runbook applies account disablement to every report, including employee-reported simulations with no compromise.

D:

Change: Measure detection, acknowledgment, containment and recovery intervals with consistent event definitions and representative incident populations. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 26

A SOC analyst is examining this cybersecurity operations situation: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route. A proposed shortcut is: Execute the most disruptive containment step for every alert without evaluating its confidence or business impact. What should the SOC analyst recommend as the narrowly scoped correction? Select ONE best answer.

  1. Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.
  2. Track precision, missed detections, analyst workload and case outcomes together when measuring and tuning alert efficacy.
  3. Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages.
  4. Execute the most disruptive containment step for every alert without evaluating its confidence or business impact.

Explanation

Correct Answer

A:

This targeted action addresses the observed security or operational control gap without discarding necessary controls. Applied case: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

Incorrect Answers

B:

Track precision, missed detections, analyst workload and case outcomes together when measuring and tuning alert efficacy. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

C:

Add evidence-preservation, safe containment, eradication verification and closure criteria as separate gated playbook stages. A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

D:

Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage. Applied case: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

Question 27

A Cisco cybersecurity incident response review finds: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route. The team proposes: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook. Which engineering principle most strongly supports the recommended response? Select ONE best answer.

  1. PaaS reduces customer infrastructure-management burden but does not transfer application security and data authorization to the provider.
  2. Deployment model describes hosting and governance boundaries, while multicloud describes use of more than one provider and can coexist with hybrid.
  3. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.
  4. Insurance may offset defined losses but cannot prevent an intrusion or override exclusions, limits and incident-reporting conditions.

Explanation

Correct Answer

C:

Demonstrable success requires: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. Applied case: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

Incorrect Answers

A:

PaaS reduces customer infrastructure-management burden but does not transfer application security and data authorization to the provider. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

Deployment model describes hosting and governance boundaries, while multicloud describes use of more than one provider and can coexist with hybrid. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Insurance may offset defined losses but cannot prevent an intrusion or override exclusions, limits and incident-reporting conditions. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 28

The SOC team has not yet approved changes. Current evidence indicates: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route. Which evidence best tests the technical diagnosis before approving a disruptive change? Select ONE best answer.

  1. Verify affected host and identity scope, ongoing traffic, critical workflows and allowed emergency actions.
  2. Dry-run an affected host through collection, isolation, validated cleanup and signed closure using a timeline checklist.
  3. Test normal, false-positive and third-party-failure paths against recorded decision criteria and communications.
  4. Review agency system boundary, NIST control baseline, authorization package and cloud service FedRAMP listing.

Explanation

Correct Answer

C:

Confirm afterward that: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. Applied case: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

Incorrect Answers

A:

Verify affected host and identity scope, ongoing traffic, critical workflows and allowed emergency actions. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

Dry-run an affected host through collection, isolation, validated cleanup and signed closure using a timeline checklist. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Review agency system boundary, NIST control baseline, authorization package and cloud service FedRAMP listing. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 29

A candidate correction has been tested and the platform team requires a post-change acceptance check. Original problem: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route. The response owner needs positive and negative results and evidence that legitimate security and business workflows still function. Which acceptance result demonstrates correct security operations behavior without disrupting authorized workflows? Select ONE best answer.

  1. Attack traffic is attenuated and agreed legitimate availability indicators recover without an uncontrolled network-wide outage.
  2. Investigators can correlate the query source, destination, timing and relevant traffic while stating each source's limitations.
  3. Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails.
  4. The diagram correctly labels each hosting boundary and avoids assuming shared security responsibilities across unlike environments.

Explanation

Correct Answer

C:

Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage. The approved implementation step was: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.

Incorrect Answers

A:

Attack traffic is attenuated and agreed legitimate availability indicators recover without an uncontrolled network-wide outage. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

B:

Investigators can correlate the query source, destination, timing and relevant traffic while stating each source's limitations. A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

D:

The diagram correctly labels each hosting boundary and avoids assuming shared security responsibilities across unlike environments. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Question 30

For an original CBRCOR educational scenario, consider: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route. Select TWO complementary steps: the targeted correction and its strongest prechange validation.

  1. Change: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.
  2. Change: Select a permitted endpoint-response collection tool and prioritize volatile evidence according to the case and chain-of-custody policy.
  3. Check: Review runtime patch boundaries, service identities, secret storage, data grants and audit logs in the platform's responsibility matrix.
  4. Execute the most disruptive containment step for every alert without evaluating its confidence or business impact.
  5. Check: Test normal, false-positive and third-party-failure paths against recorded decision criteria and communications.

Explanation

Correct Answer

A:

Acceptance: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. Applied case: A DDoS playbook cannot handle a provider scrubbing service outage and offers no alternate escalation route.

E:

Acceptance: Responders select proportionate actions and still have an approved route when the primary mitigation dependency fails. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

Incorrect Answers

B:

Change: Select a permitted endpoint-response collection tool and prioritize volatile evidence according to the case and chain-of-custody policy. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

C:

Check: Review runtime patch boundaries, service identities, secret storage, data grants and audit logs in the platform's responsibility matrix. Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage.

D:

Branches distinguish confirmed compromise from suspicious observation and prevent a fixed response from causing avoidable business damage. Use this instead: Add evidence-based decision branches, severity thresholds and controlled fallback instructions to the relevant playbook.

Performing Cybersecurity Using Cisco Security Technologies (CBRCOR) (350-201) Practice Tests