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CompTIA CySA+ (CS0-003) CS0-003 Practice Test 20

Question 190

A CVSS 9.8 issue exists on a disconnected lab device while an actively exploited 8.1 issue affects an internet-facing customer login service. What risk mechanism should guide the analyst’s judgment?

  1. CVSS base score includes every organization's actual internet exposure and business impact.
  2. CVSS base severity alone does not incorporate local exposure and observed exploitation.
  3. A low base score on a disconnected system always represents greater emergency risk than an actively exploited external service.
  4. A disconnected lab asset is necessarily attacked before an exploited public service.

Explanation

Correct Answer

B:

This interpretation explains the observation without treating a clue as proof beyond its scope. The central mechanism is: CVSS base severity alone does not incorporate local exposure and observed exploitation. It directs the analyst toward: Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls.

Incorrect Answers

A:

CVSS base score includes every organization's actual internet exposure and business impact. This alternative causal claim assumes facts beyond the observation, which is: A CVSS 9.8 issue exists on a disconnected lab device while an actively exploited 8.1 issue affects an internet-facing customer login service. The directly supported mechanism is: CVSS base severity alone does not incorporate local exposure and observed exploitation.

C:

This reverses the scenario’s exposure and exploitation facts. The correct mechanism is that CVSS base severity omits contextual reachability and active exploitation.

D:

A disconnected lab asset is necessarily attacked before an exploited public service. This alternative causal claim assumes facts beyond the observation, which is: A CVSS 9.8 issue exists on a disconnected lab device while an actively exploited 8.1 issue affects an internet-facing customer login service. The directly supported mechanism is: CVSS base severity alone does not incorporate local exposure and observed exploitation.

Question 191

A CVSS 9.8 issue exists on a disconnected lab device while an actively exploited 8.1 issue affects an internet-facing customer login service. Which result would most directly verify that the investigation or mitigation addressed this case?

  1. The ticket queue remains sorted by base score without recording exploit exposure.
  2. The lab fix is completed while public-login exploitation risk remains open.
  3. The work queue documents why the customer service outranks the isolated device and tracks remediation progress.
  4. An audit records the CVSS numbers but no ownership, reachability or control evidence.

Explanation

Correct Answer

C:

This check measures the particular condition that the response was intended to change, rather than unrelated activity or a generic dashboard count. Specifically: The work queue documents why the customer service outranks the isolated device and tracks remediation progress. It tests whether: Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls.

Incorrect Answers

A:

The ticket queue remains sorted by base score without recording exploit exposure. This test or metric does not demonstrate the complete target effect of Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls. The decisive observable confirmation is: The work queue documents why the customer service outranks the isolated device and tracks remediation progress.

B:

The lab fix is completed while public-login exploitation risk remains open. This test or metric does not demonstrate the complete target effect of Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls. The decisive observable confirmation is: The work queue documents why the customer service outranks the isolated device and tracks remediation progress.

D:

An audit records the CVSS numbers but no ownership, reachability or control evidence. This test or metric does not demonstrate the complete target effect of Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls. The decisive observable confirmation is: The work queue documents why the customer service outranks the isolated device and tracks remediation progress.

Question 192

A CVSS 9.8 issue exists on a disconnected lab device while an actively exploited 8.1 issue affects an internet-facing customer login service. What limitation would still matter after the initial action succeeds?

  1. The publicly exposed application's mitigation might depend on an untested reverse proxy rule.
  2. Isolation assumptions must be rechecked if the lab network topology changes.
  3. A temporary emergency patch could disrupt login service availability unless the rollback is tested.
  4. Threat intelligence about active exploitation can become outdated and needs periodic refresh.

Explanation

Correct Answer

B:

The response does not eliminate all future or hidden exposures. This particular follow-on issue is connected to the case: Isolation assumptions must be rechecked if the lab network topology changes. The initial control is: Prioritize the exposed actively exploited service using exploit evidence, business impact and compensating controls.

Incorrect Answers

A:

The publicly exposed application's mitigation might depend on an untested reverse proxy rule. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Isolation assumptions must be rechecked if the lab network topology changes.

C:

A temporary emergency patch could disrupt login service availability unless the rollback is tested. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Isolation assumptions must be rechecked if the lab network topology changes.

D:

Threat intelligence about active exploitation can become outdated and needs periodic refresh. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Isolation assumptions must be rechecked if the lab network topology changes.

Question 193

A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. What is the most defensible response to this situation?

  1. Verify whether the host is genuinely absent before closing or deprioritizing the finding.
  2. Close the scanner finding solely because the CMDB marks the server retired.
  3. Issue emergency downtime for a hostname without checking whether it resolves to a live host.
  4. Prioritize a phantom asset over verified live findings without network reconciliation.

Explanation

Correct Answer

A:

The selected step uses the available evidence proportionately and directly addresses the specific condition. The governing technical issue is: Stale asset records can create phantom critical exposure while an untracked live host might still exist. The relevant next action is: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

Incorrect Answers

B:

Close the scanner finding solely because the CMDB marks the server retired. This option does not establish the stated result with sufficient evidence. Stale asset records can create phantom critical exposure while an untracked live host might still exist. The case therefore requires a different action: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

C:

Issue emergency downtime for a hostname without checking whether it resolves to a live host. This option does not establish the stated result with sufficient evidence. Stale asset records can create phantom critical exposure while an untracked live host might still exist. The case therefore requires a different action: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

D:

Prioritize a phantom asset over verified live findings without network reconciliation. This option does not establish the stated result with sufficient evidence. Stale asset records can create phantom critical exposure while an untracked live host might still exist. The case therefore requires a different action: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

Question 194

A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. What risk mechanism should guide the analyst’s judgment?

  1. A CMDB retired label is conclusive proof no host remains on any network.
  2. Stale asset records can create phantom critical exposure while an untracked live host might still exist.
  3. A recycled IP address must still refer to the decommissioned software.
  4. A historic scanner result establishes present active exploitability without revalidation.

Explanation

Correct Answer

B:

This interpretation explains the observation without treating a clue as proof beyond its scope. The central mechanism is: Stale asset records can create phantom critical exposure while an untracked live host might still exist. It directs the analyst toward: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

Incorrect Answers

A:

A CMDB retired label is conclusive proof no host remains on any network. This alternative causal claim assumes facts beyond the observation, which is: A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. The directly supported mechanism is: Stale asset records can create phantom critical exposure while an untracked live host might still exist.

C:

A recycled IP address must still refer to the decommissioned software. This alternative causal claim assumes facts beyond the observation, which is: A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. The directly supported mechanism is: Stale asset records can create phantom critical exposure while an untracked live host might still exist.

D:

A historic scanner result establishes present active exploitability without revalidation. This alternative causal claim assumes facts beyond the observation, which is: A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. The directly supported mechanism is: Stale asset records can create phantom critical exposure while an untracked live host might still exist.

Question 195

A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. Which result would most directly verify that the investigation or mitigation addressed this case?

  1. Network and cloud inventory evidence proves the instance is terminated and no address now serves the affected software.
  2. A stale asset record is closed with no cloud termination or DNS evidence.
  3. A ping responds on the former IP but software and ownership are not identified.
  4. The scanner still lists a hostname that no longer maps to the original instance.

Explanation

Correct Answer

A:

This check measures the particular condition that the response was intended to change, rather than unrelated activity or a generic dashboard count. Specifically: Network and cloud inventory evidence proves the instance is terminated and no address now serves the affected software. It tests whether: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

Incorrect Answers

B:

A stale asset record is closed with no cloud termination or DNS evidence. This test or metric does not demonstrate the complete target effect of Verify whether the host is genuinely absent before closing or deprioritizing the finding. The decisive observable confirmation is: Network and cloud inventory evidence proves the instance is terminated and no address now serves the affected software.

C:

A ping responds on the former IP but software and ownership are not identified. This test or metric does not demonstrate the complete target effect of Verify whether the host is genuinely absent before closing or deprioritizing the finding. The decisive observable confirmation is: Network and cloud inventory evidence proves the instance is terminated and no address now serves the affected software.

D:

The scanner still lists a hostname that no longer maps to the original instance. This test or metric does not demonstrate the complete target effect of Verify whether the host is genuinely absent before closing or deprioritizing the finding. The decisive observable confirmation is: Network and cloud inventory evidence proves the instance is terminated and no address now serves the affected software.

Question 196

A vulnerability scanner reports critical severity on a retired server, but asset records show the host was decommissioned months ago. What limitation would still matter after the initial action succeeds?

  1. Retired host records might incorrectly retain an assigned remediation owner.
  2. Reused hostnames and recycled IP addresses can make stale findings appear current.
  3. Old scan results may be retained incorrectly in dashboards despite correct lifecycle closure.
  4. A supposedly retired cloud workload might still have a recoverable snapshot requiring separate review.

Explanation

Correct Answer

B:

The response does not eliminate all future or hidden exposures. This particular follow-on issue is connected to the case: Reused hostnames and recycled IP addresses can make stale findings appear current. The initial control is: Verify whether the host is genuinely absent before closing or deprioritizing the finding.

Incorrect Answers

A:

Retired host records might incorrectly retain an assigned remediation owner. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Reused hostnames and recycled IP addresses can make stale findings appear current.

C:

Old scan results may be retained incorrectly in dashboards despite correct lifecycle closure. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Reused hostnames and recycled IP addresses can make stale findings appear current.

D:

A supposedly retired cloud workload might still have a recoverable snapshot requiring separate review. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Reused hostnames and recycled IP addresses can make stale findings appear current.

Question 197

An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. What is the most defensible response to this situation?

  1. Treat the gateway risk as routine because it has the same CVSS band as internal devices.
  2. Document the public exploit but postpone control decisions until the next quarter.
  3. Document the gateway CVSS vector and defer mitigation until all other remotely reachable vulnerabilities are scored.
  4. Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

Explanation

Correct Answer

D:

The selected step uses the available evidence proportionately and directly addresses the specific condition. The governing technical issue is: Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk. The relevant next action is: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

Incorrect Answers

A:

Treat the gateway risk as routine because it has the same CVSS band as internal devices. This option does not establish the stated result with sufficient evidence. Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk. The case therefore requires a different action: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

B:

Document the public exploit but postpone control decisions until the next quarter. This option does not establish the stated result with sufficient evidence. Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk. The case therefore requires a different action: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

C:

More scoring cannot substitute for urgent remediation or a tightly scoped isolation decision when this exposed gateway has a public exploit and privileged production access.

Question 198

An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. What risk mechanism should guide the analyst’s judgment?

  1. Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk.
  2. A public exploit has no effect on practical risk if a base score is already recorded.
  3. Privileged backend access does not influence the impact of gateway compromise.
  4. Internet exposure is irrelevant once a gateway is listed in vulnerability inventory.

Explanation

Correct Answer

A:

This interpretation explains the observation without treating a clue as proof beyond its scope. The central mechanism is: Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk. It directs the analyst toward: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

Incorrect Answers

B:

A public exploit has no effect on practical risk if a base score is already recorded. This alternative causal claim assumes facts beyond the observation, which is: An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. The directly supported mechanism is: Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk.

C:

Privileged backend access does not influence the impact of gateway compromise. This alternative causal claim assumes facts beyond the observation, which is: An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. The directly supported mechanism is: Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk.

D:

Internet exposure is irrelevant once a gateway is listed in vulnerability inventory. This alternative causal claim assumes facts beyond the observation, which is: An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. The directly supported mechanism is: Exploit availability, attack path and the gateway's privileged connectivity amplify practical risk.

Question 199

An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. Which result would most directly verify that the investigation or mitigation addressed this case?

  1. A prioritized ticket is opened but no exposure reduction or patched version is validated.
  2. The gateway's version changes but the known exploit path remains functional.
  3. A firewall rule is proposed but not tested against an authorized external connection.
  4. Validated controls block the vulnerable path and a repeat scan confirms the gateway has been remediated.

Explanation

Correct Answer

D:

This check measures the particular condition that the response was intended to change, rather than unrelated activity or a generic dashboard count. Specifically: Validated controls block the vulnerable path and a repeat scan confirms the gateway has been remediated. It tests whether: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

Incorrect Answers

A:

A prioritized ticket is opened but no exposure reduction or patched version is validated. This test or metric does not demonstrate the complete target effect of Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings. The decisive observable confirmation is: Validated controls block the vulnerable path and a repeat scan confirms the gateway has been remediated.

B:

The gateway's version changes but the known exploit path remains functional. This test or metric does not demonstrate the complete target effect of Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings. The decisive observable confirmation is: Validated controls block the vulnerable path and a repeat scan confirms the gateway has been remediated.

C:

A firewall rule is proposed but not tested against an authorized external connection. This test or metric does not demonstrate the complete target effect of Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings. The decisive observable confirmation is: Validated controls block the vulnerable path and a repeat scan confirms the gateway has been remediated.

Question 200

An exposed remote-access gateway has a high-scoring flaw, a public exploit, and privileged access to production databases. What limitation would still matter after the initial action succeeds?

  1. The gateway's remote access role may have additional trust relationships beyond the database path.
  2. Emergency patching may require an approved continuity window to avoid customer downtime.
  3. Stolen sessions or credentials used before containment may persist beyond patch installation.
  4. A newly published exploit variant may target a different management endpoint on the same gateway.

Explanation

Correct Answer

C:

The response does not eliminate all future or hidden exposures. This particular follow-on issue is connected to the case: Stolen sessions or credentials used before containment may persist beyond patch installation. The initial control is: Escalate rapid remediation or tightly scoped isolation ahead of less reachable high-score findings.

Incorrect Answers

A:

The gateway's remote access role may have additional trust relationships beyond the database path. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Stolen sessions or credentials used before containment may persist beyond patch installation.

B:

Emergency patching may require an approved continuity window to avoid customer downtime. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Stolen sessions or credentials used before containment may persist beyond patch installation.

D:

A newly published exploit variant may target a different management endpoint on the same gateway. This is a conceivable secondary or conditional concern, but is not the residual exposure most directly tied to the scenario and its chosen response. Stolen sessions or credentials used before containment may persist beyond patch installation.

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