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CompTIA SecurityX CAS-005 Practice Test 9

Question 80

A multinational app labels every dataset public because its classification policy was drafted before privacy laws applied in several new markets. What is the most directly relevant limitation of the immediate fix?

  1. New data combinations may permit reidentification even when original fields were de-identified.
  2. An approved privacy label could be misapplied by a newly onboarded analyst.
  3. Regional deletion workflows may have different service-level deadlines.
  4. A regulator may revise its notice template in a particular market.

Explanation

Correct Answer

A:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: New data combinations may permit reidentification even when original fields were de-identified. This needs monitoring or a separate follow-up after implementing Implement jurisdiction-aware classification and privacy-control mapping, then verify access, consent, deletion, and transfer requirements per dataset.

Incorrect Answers

B:

Human classification error is possible but the key residual is reidentification through joining ostensibly de-identified datasets.

C:

Deletion governance matters, but it is a distinct operational compliance obligation from recombining released attributes.

D:

Form changes can affect reporting but do not explain inference from linked anonymized records.

Question 81

A supplier provides a recent ISO/IEC 27001 certificate and asks a bank to skip evaluating the specific cloud service holding customer account records. Which response should the senior security engineer prioritize?

  1. Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.
  2. Skip service-specific controls because an ISO certificate is recent
  3. Read only the certificate's logo and expiry, not its scope
  4. Accept every downstream subcontractor as in scope without evidence

Explanation

Correct Answer

A:

The case shows: A supplier provides a recent ISO/IEC 27001 certificate and asks a bank to skip evaluating the specific cloud service holding customer account records. The preferred intervention—Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements—directly corrects that deficiency. The security reason is that certification of a management system does not establish every service instance is covered or free of residual risk. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

B:

Selecting 'Skip service-specific controls because an ISO certificate is recent' would not be the best response to this case. This weakens an existing safeguard or uses indiscriminate changes, increasing exposure instead of selectively correcting the demonstrated weakness. The actual gap is: Certification of a management system does not establish every service instance is covered or free of residual risk. The more defensible control is Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

C:

Selecting 'Read only the certificate's logo and expiry, not its scope' would not be the best response to this case. This focuses on only a portion of the workflow or leaves the decisive control or evidence gap in place. The actual gap is: Certification of a management system does not establish every service instance is covered or free of residual risk. The more defensible control is Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

D:

Selecting 'Accept every downstream subcontractor as in scope without evidence' would not be the best response to this case. This weakens an existing safeguard or uses indiscriminate changes, increasing exposure instead of selectively correcting the demonstrated weakness. The actual gap is: Certification of a management system does not establish every service instance is covered or free of residual risk. The more defensible control is Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

Question 82

A supplier provides a recent ISO/IEC 27001 certificate and asks a bank to skip evaluating the specific cloud service holding customer account records. Which statement correctly distinguishes the observed control weakness?

  1. Management-system certification guarantees all cloud products are vulnerability-free
  2. Certification of a management system does not establish every service instance is covered or free of residual risk.
  3. A vendor certificate necessarily covers every future subcontractor
  4. The bank's customer risk obligations disappear when a supplier has a certificate

Explanation

Correct Answer

B:

The observed facts point to the causal security principle: Certification of a management system does not establish every service instance is covered or free of residual risk. This is why the proportionate implementation response is check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements. The other answers either invent additional facts or mistake documentation or an adjacent safeguard for the actual cause.

Incorrect Answers

A:

The statement 'Management-system certification guarantees all cloud products are vulnerability-free' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: Certification of a management system does not establish every service instance is covered or free of residual risk. This distinction determines why check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

C:

The statement 'A vendor certificate necessarily covers every future subcontractor' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: Certification of a management system does not establish every service instance is covered or free of residual risk. This distinction determines why check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

D:

The statement 'The bank's customer risk obligations disappear when a supplier has a certificate' does not explain the observed exposure. It incorrectly treats a proxy, credential, or partial control as interchangeable with the missing evidence or authorization check. The evidence instead supports: Certification of a management system does not establish every service instance is covered or free of residual risk. This distinction determines why check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

Question 83

A supplier provides a recent ISO/IEC 27001 certificate and asks a bank to skip evaluating the specific cloud service holding customer account records. Which finding is the strongest acceptance evidence for the recommended control?

  1. The evaluation ignores data processing by an uncertified subprovider
  2. A sampled control has no current operating evidence
  3. The bank's vendor assessment explicitly matches in-scope service processes and current control evidence to its requirements.
  4. The assessed certificate scope excludes the actual cloud service

Explanation

Correct Answer

C:

The decisive acceptance evidence is: The bank's vendor assessment explicitly matches in-scope service processes and current control evidence to its requirements. It demonstrates that the intervention—Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements—works in the scenario, rather than showing only a report, nominal configuration, or absence of alerts. An adverse test result would require remediation, not signoff.

Incorrect Answers

A:

Observing 'The evaluation ignores data processing by an uncertified subprovider' would not prove that the proposed security fix succeeded. This is a proxy metric or adverse observation; it does not test both the intended security boundary and the permitted business function. To accept the remediation, the test must demonstrate: The bank's vendor assessment explicitly matches in-scope service processes and current control evidence to its requirements. That measures the actual result of check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

B:

Observing 'A sampled control has no current operating evidence' would not prove that the proposed security fix succeeded. This documents missing evidence or an incomplete test, not a verified outcome that establishes the control has operated effectively. To accept the remediation, the test must demonstrate: The bank's vendor assessment explicitly matches in-scope service processes and current control evidence to its requirements. That measures the actual result of check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

D:

Observing 'The assessed certificate scope excludes the actual cloud service' would not prove that the proposed security fix succeeded. This is a proxy metric or adverse observation; it does not test both the intended security boundary and the permitted business function. To accept the remediation, the test must demonstrate: The bank's vendor assessment explicitly matches in-scope service processes and current control evidence to its requirements. That measures the actual result of check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

Question 84

A supplier provides a recent ISO/IEC 27001 certificate and asks a bank to skip evaluating the specific cloud service holding customer account records. Which continuing exposure should not be dismissed by the response team?

  1. A newly subcontracted hosting tier may fall outside the certificate's assessed boundaries.
  2. A supplier may deploy new software that invalidates a previously tested control.
  3. The bank might demand stricter encryption than the standard baseline.
  4. An audited service could still harbor an undiscovered application vulnerability.

Explanation

Correct Answer

A:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: A newly subcontracted hosting tier may fall outside the certificate's assessed boundaries. This needs monitoring or a separate follow-up after implementing Check certification scope, exclusions, actual service controls, and shared responsibilities against the bank's own risk requirements.

Incorrect Answers

B:

Service drift warrants ongoing assessment, but the case-derived scope issue is a subcontracted hosting tier never covered by the certificate.

C:

Contractual control requirements remain, yet this is not the specific unassessed subprocessor boundary.

D:

Certification does not guarantee zero vulnerabilities, but the key residual directly follows new hosting subcontracting outside assessed scope.

Question 85

A startup publicly claims that completing a penetration test means it has passed a formal regulatory audit for its financial products. Which response should the senior security engineer prioritize?

  1. Present a pen-test executive summary as the full regulatory attestation
  2. Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.
  3. Rewrite the pen-test scope to say audited without any requirement mapping
  4. Close compliance gaps because no critical exploit was found

Explanation

Correct Answer

B:

The case shows: A startup publicly claims that completing a penetration test means it has passed a formal regulatory audit for its financial products. The preferred intervention—Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence—directly corrects that deficiency. The security reason is that a point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

A:

Selecting 'Present a pen-test executive summary as the full regulatory attestation' would not be the best response to this case. It may affect an adjacent security task, but it does not supply the complete boundary-specific intervention demanded by these facts. The actual gap is: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. The more defensible control is Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

C:

Selecting 'Rewrite the pen-test scope to say audited without any requirement mapping' would not be the best response to this case. This focuses on only a portion of the workflow or leaves the decisive control or evidence gap in place. The actual gap is: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. The more defensible control is Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

D:

Selecting 'Close compliance gaps because no critical exploit was found' would not be the best response to this case. It may affect an adjacent security task, but it does not supply the complete boundary-specific intervention demanded by these facts. The actual gap is: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. The more defensible control is Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

Question 86

A startup publicly claims that completing a penetration test means it has passed a formal regulatory audit for its financial products. What is the most defensible causal explanation for the exposure?

  1. Absence of exploitable paths guarantees complete regulatory compliance
  2. A penetration test automatically determines every privacy and governance requirement
  3. Technical testing and a legal audit have identical evidence objectives
  4. A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties.

Explanation

Correct Answer

D:

The observed facts point to the causal security principle: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. This is why the proportionate implementation response is separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence. The other answers either invent additional facts or mistake documentation or an adjacent safeguard for the actual cause.

Incorrect Answers

A:

The statement 'Absence of exploitable paths guarantees complete regulatory compliance' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. This distinction determines why separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

B:

The statement 'A penetration test automatically determines every privacy and governance requirement' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. This distinction determines why separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

C:

The statement 'Technical testing and a legal audit have identical evidence objectives' does not explain the observed exposure. It incorrectly treats a proxy, credential, or partial control as interchangeable with the missing evidence or authorization check. The evidence instead supports: A point-in-time adversarial test measures a subset of exploitability; it is not proof of all legal and governance duties. This distinction determines why separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

Question 87

A startup publicly claims that completing a penetration test means it has passed a formal regulatory audit for its financial products. Which test or observation would provide the clearest evidence that the correction worked?

  1. A traceability matrix demonstrates test evidence for each applicable rule and identifies remaining gaps.
  2. The firm has no control-to-regulation traceability matrix
  3. A missed retention requirement survives a successful exploit test
  4. The report claims external certification without an accredited decision

Explanation

Correct Answer

A:

The decisive acceptance evidence is: A traceability matrix demonstrates test evidence for each applicable rule and identifies remaining gaps. It demonstrates that the intervention—Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence—works in the scenario, rather than showing only a report, nominal configuration, or absence of alerts. An adverse test result would require remediation, not signoff.

Incorrect Answers

B:

Observing 'The firm has no control-to-regulation traceability matrix' would not prove that the proposed security fix succeeded. This documents missing evidence or an incomplete test, not a verified outcome that establishes the control has operated effectively. To accept the remediation, the test must demonstrate: A traceability matrix demonstrates test evidence for each applicable rule and identifies remaining gaps. That measures the actual result of separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

C:

Observing 'A missed retention requirement survives a successful exploit test' would not prove that the proposed security fix succeeded. This is a proxy metric or adverse observation; it does not test both the intended security boundary and the permitted business function. To accept the remediation, the test must demonstrate: A traceability matrix demonstrates test evidence for each applicable rule and identifies remaining gaps. That measures the actual result of separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

D:

Observing 'The report claims external certification without an accredited decision' would not prove that the proposed security fix succeeded. This documents missing evidence or an incomplete test, not a verified outcome that establishes the control has operated effectively. To accept the remediation, the test must demonstrate: A traceability matrix demonstrates test evidence for each applicable rule and identifies remaining gaps. That measures the actual result of separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

Question 88

A startup publicly claims that completing a penetration test means it has passed a formal regulatory audit for its financial products. Which follow-up uncertainty should be recorded in the risk register?

  1. A current penetration-test finding may be remediated without independent retest.
  2. A vulnerability scanner may miss a non-exploitable policy configuration issue.
  3. Regulatory interpretations and new product features may change compliance obligations before the next review.
  4. A compliance officer could underestimate the initial review effort.

Explanation

Correct Answer

C:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: Regulatory interpretations and new product features may change compliance obligations before the next review. This needs monitoring or a separate follow-up after implementing Separate technical vulnerability assessment findings from formal compliance evaluation and prepare requirement-by-requirement evidence.

Incorrect Answers

A:

Retest evidence matters, but the keyed issue is obligations changing with legal interpretation or new product features.

B:

Technical testing has coverage limits, but the scenario's future compliance change need not be a scanner flaw.

D:

Resource uncertainty is secondary to the changing regulatory or feature scope that can invalidate a prior conclusion.

Question 89

A cloud migration threat model considers only internet attackers, even though internal administrators can modify deployment templates and signing keys. What is the best risk-informed control decision for this specific scenario?

  1. Model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.
  2. List all cloud services without tracing CI-to-production trust boundaries
  3. Trust each developer-written template solely because the source repository is private
  4. Model only remote internet threats and exclude privileged insider access

Explanation

Correct Answer

A:

The case shows: A cloud migration threat model considers only internet attackers, even though internal administrators can modify deployment templates and signing keys. The preferred intervention—Model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls—directly corrects that deficiency. The security reason is that threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

B:

Selecting 'List all cloud services without tracing CI-to-production trust boundaries' would not be the best response to this case. This treats a label, assertion, metric, or inherited trust as sufficient evidence, rather than enforcing the missing control at the security boundary. The actual gap is: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. The more defensible control is Model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

C:

Selecting 'Trust each developer-written template solely because the source repository is private' would not be the best response to this case. This treats a label, assertion, metric, or inherited trust as sufficient evidence, rather than enforcing the missing control at the security boundary. The actual gap is: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. The more defensible control is Model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

D:

Selecting 'Model only remote internet threats and exclude privileged insider access' would not be the best response to this case. This focuses on only a portion of the workflow or leaves the decisive control or evidence gap in place. The actual gap is: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. The more defensible control is Model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

Question 90

A cloud migration threat model considers only internet attackers, even though internal administrators can modify deployment templates and signing keys. Which statement correctly distinguishes the observed control weakness?

  1. Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries.
  2. The absence of public network access means supply-chain integrity is guaranteed
  3. An internal signer cannot become an attacker-controlled execution path
  4. A private CI pipeline automatically neutralizes compromised dependencies

Explanation

Correct Answer

A:

The observed facts point to the causal security principle: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. This is why the proportionate implementation response is model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls. The other answers either invent additional facts or mistake documentation or an adjacent safeguard for the actual cause.

Incorrect Answers

B:

The statement 'The absence of public network access means supply-chain integrity is guaranteed' does not explain the observed exposure. It ascribes the exposure to a different or unsupported cause instead of the failing trust, lifecycle, data, or inspection boundary identified in the facts. The evidence instead supports: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. This distinction determines why model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

C:

The statement 'An internal signer cannot become an attacker-controlled execution path' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. This distinction determines why model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

D:

The statement 'A private CI pipeline automatically neutralizes compromised dependencies' does not explain the observed exposure. The absolute conclusion claims a guarantee that the scenario and the technical trust boundary do not support. The evidence instead supports: Threat likelihood and controls depend on actual adversary access to build and deployment trust boundaries. This distinction determines why model insider and supply-chain threats with actor capability, trust boundaries, and abuse-case paths before choosing controls.

CompTIA SecurityX (CAS-005) Practice Tests

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