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CompTIA SecurityX CAS-005 Practice Test 33

Question 320

A multinational deploys a SASE platform but retains unrestricted data-center east-west routes between sensitive payroll and developer workloads. Which validation evidence is most directly connected to this particular scenario?

  1. An authenticated test role can modify production payroll records
  2. An internal maintenance route bypasses all microsegmentation decisions
  3. An authenticated developer workstation cannot reach the payroll database even when both share the corporate backbone.
  4. A developer workstation reaches the payroll database without business justification

Explanation

Correct Answer

C:

The decisive acceptance evidence is: An authenticated developer workstation cannot reach the payroll database even when both share the corporate backbone. It demonstrates that the intervention—Combine SASE edge protection with internal microsegmentation and workload authorization for lateral traffic—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 'An authenticated test role can modify production payroll records' 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: An authenticated developer workstation cannot reach the payroll database even when both share the corporate backbone. That measures the actual result of combine SASE edge protection with internal microsegmentation and workload authorization for lateral traffic.

B:

Observing 'An internal maintenance route bypasses all microsegmentation decisions' would not prove that the proposed security fix succeeded. This is a counterexample to successful enforcement: a prohibited action still succeeds or an expected boundary remains untested. To accept the remediation, the test must demonstrate: An authenticated developer workstation cannot reach the payroll database even when both share the corporate backbone. That measures the actual result of combine SASE edge protection with internal microsegmentation and workload authorization for lateral traffic.

D:

Observing 'A developer workstation reaches the payroll database without business justification' 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: An authenticated developer workstation cannot reach the payroll database even when both share the corporate backbone. That measures the actual result of combine SASE edge protection with internal microsegmentation and workload authorization for lateral traffic.

Question 321

A multinational deploys a SASE platform but retains unrestricted data-center east-west routes between sensitive payroll and developer workloads. Even if the primary action succeeds, which specific risk may remain?

  1. A payroll administrator might retain too many privileges within the now-segmented payroll tier.
  2. A SASE edge policy might delay legitimate VPN-less remote access during a control-plane outage.
  3. A segmentation label could be applied incorrectly to a newly deployed developer workload.
  4. A maintenance exception may reopen a lateral route unless it is time bounded and monitored.

Explanation

Correct Answer

D:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: A maintenance exception may reopen a lateral route unless it is time bounded and monitored. This needs monitoring or a separate follow-up after implementing Combine SASE edge protection with internal microsegmentation and workload authorization for lateral traffic.

Incorrect Answers

A:

Least privilege must be addressed separately, but the keyed residual is a maintenance exception reopening a lateral network path.

B:

Edge continuity matters, yet the case's specific continuing risk concerns exception management of east-west routes.

C:

Label hygiene matters, but the keyed failure is an unexpired maintenance route crossing a sensitive boundary.

Question 322

A bank wants a machine to trust another cloud workload solely because both resources carry tags assigned by their respective project owners. Which response should the senior security engineer prioritize?

  1. Use only service IP addresses as workload attestation
  2. Use cryptographically attested workload identity and independently governed labels at policy enforcement.
  3. Accept any account with matching labels even when certificate issuer is unknown
  4. Trust project-owner-assigned tags as authoritative workload identities

Explanation

Correct Answer

B:

The case shows: A bank wants a machine to trust another cloud workload solely because both resources carry tags assigned by their respective project owners. The preferred intervention—Use cryptographically attested workload identity and independently governed labels at policy enforcement—directly corrects that deficiency. The security reason is that self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

A:

Selecting 'Use only service IP addresses as workload attestation' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. The more defensible control is Use cryptographically attested workload identity and independently governed labels at policy enforcement.

C:

Selecting 'Accept any account with matching labels even when certificate issuer is unknown' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. The more defensible control is Use cryptographically attested workload identity and independently governed labels at policy enforcement.

D:

Selecting 'Trust project-owner-assigned tags as authoritative workload identities' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. The more defensible control is Use cryptographically attested workload identity and independently governed labels at policy enforcement.

Question 323

A bank wants a machine to trust another cloud workload solely because both resources carry tags assigned by their respective project owners. What underlying security principle most directly explains the risk?

  1. An IP address guarantees the request came from a specific attested process
  2. Labels alone are cryptographically bound to workload code and runtime
  3. Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls.
  4. Mutable cloud tags cannot be forged by a compromised project owner

Explanation

Correct Answer

C:

The observed facts point to the causal security principle: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. This is why the proportionate implementation response is use cryptographically attested workload identity and independently governed labels at policy enforcement. The other answers either invent additional facts or mistake documentation or an adjacent safeguard for the actual cause.

Incorrect Answers

A:

The statement 'An IP address guarantees the request came from a specific attested process' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. This distinction determines why use cryptographically attested workload identity and independently governed labels at policy enforcement.

B:

The statement 'Labels alone are cryptographically bound to workload code and runtime' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. This distinction determines why use cryptographically attested workload identity and independently governed labels at policy enforcement.

D:

The statement 'Mutable cloud tags cannot be forged by a compromised project owner' 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: Self-asserted mutable tags are not reliable security identities without trustworthy issuance and lifecycle controls. This distinction determines why use cryptographically attested workload identity and independently governed labels at policy enforcement.

Question 324

A bank wants a machine to trust another cloud workload solely because both resources carry tags assigned by their respective project owners. Which finding is the strongest acceptance evidence for the recommended control?

  1. A workload with forged tags but no valid attestation cannot access the protected payment service.
  2. A forged label grants payment API access
  3. Attested identities are not checked after workload redeployment
  4. An untrusted certificate issuer is accepted by the policy point

Explanation

Correct Answer

A:

The decisive acceptance evidence is: A workload with forged tags but no valid attestation cannot access the protected payment service. It demonstrates that the intervention—Use cryptographically attested workload identity and independently governed labels at policy enforcement—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 'A forged label grants payment API access' 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 workload with forged tags but no valid attestation cannot access the protected payment service. That measures the actual result of use cryptographically attested workload identity and independently governed labels at policy enforcement.

C:

Observing 'Attested identities are not checked after workload redeployment' 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 workload with forged tags but no valid attestation cannot access the protected payment service. That measures the actual result of use cryptographically attested workload identity and independently governed labels at policy enforcement.

D:

Observing 'An untrusted certificate issuer is accepted by the policy point' would not prove that the proposed security fix succeeded. This is a counterexample to successful enforcement: a prohibited action still succeeds or an expected boundary remains untested. To accept the remediation, the test must demonstrate: A workload with forged tags but no valid attestation cannot access the protected payment service. That measures the actual result of use cryptographically attested workload identity and independently governed labels at policy enforcement.

Question 325

A bank wants a machine to trust another cloud workload solely because both resources carry tags assigned by their respective project owners. Which follow-up uncertainty should be recorded in the risk register?

  1. A compromised attestation issuer could grant illegitimate workloads otherwise valid identities.
  2. A workload attestation agent could report stale measurements after a legitimate software update.
  3. A service might receive an overly broad resource role even with a valid attestation result.
  4. A credential certificate could expire unexpectedly during a multi-region rollout.

Explanation

Correct Answer

A:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: A compromised attestation issuer could grant illegitimate workloads otherwise valid identities. This needs monitoring or a separate follow-up after implementing Use cryptographically attested workload identity and independently governed labels at policy enforcement.

Incorrect Answers

B:

Fresh evidence is necessary, but the keyed residual is an issuer compromise creating valid but fraudulent identities.

C:

Authorization scope matters, but it is separate from a malicious issuer vouching for untrusted workloads.

D:

Availability problems from expiry differ from a compromised attestation trust root.

Question 326

A privileged application allows access from any managed laptop even when the user changes location to a high-risk region during the session. What should the security team do first to correct the demonstrated weakness?

  1. Trust the original low-risk login context for the entire day
  2. Allow managed-device status to override every high-risk location signal
  3. Disable step-up checks for all privileged applications to reduce friction
  4. Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

Explanation

Correct Answer

D:

The case shows: A privileged application allows access from any managed laptop even when the user changes location to a high-risk region during the session. The preferred intervention—Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial—directly corrects that deficiency. The security reason is that a device's enrollment status alone does not settle risk when the request's context changes. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

A:

Selecting 'Trust the original low-risk login context for the entire day' 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: A device's enrollment status alone does not settle risk when the request's context changes. The more defensible control is Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

B:

Selecting 'Allow managed-device status to override every high-risk location signal' 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: A device's enrollment status alone does not settle risk when the request's context changes. The more defensible control is Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

C:

Selecting 'Disable step-up checks for all privileged applications to reduce friction' 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: A device's enrollment status alone does not settle risk when the request's context changes. The more defensible control is Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

Question 327

A privileged application allows access from any managed laptop even when the user changes location to a high-risk region during the session. Which explanation best identifies the security failure implied by these facts?

  1. Enrollment status guarantees every later request is low risk
  2. A device's enrollment status alone does not settle risk when the request's context changes.
  3. Location and session context cannot change without a new login
  4. Conditional access should never consider resource sensitivity

Explanation

Correct Answer

B:

The observed facts point to the causal security principle: A device's enrollment status alone does not settle risk when the request's context changes. This is why the proportionate implementation response is evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial. The other answers either invent additional facts or mistake documentation or an adjacent safeguard for the actual cause.

Incorrect Answers

A:

The statement 'Enrollment status guarantees every later request is low risk' 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 device's enrollment status alone does not settle risk when the request's context changes. This distinction determines why evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

C:

The statement 'Location and session context cannot change without a new login' 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 device's enrollment status alone does not settle risk when the request's context changes. This distinction determines why evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

D:

The statement 'Conditional access should never consider resource sensitivity' 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 device's enrollment status alone does not settle risk when the request's context changes. This distinction determines why evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

Question 328

A privileged application allows access from any managed laptop even when the user changes location to a high-risk region during the session. Which test or observation would provide the clearest evidence that the correction worked?

  1. A high-risk session continues privileged operations without step-up
  2. The application logs risk alerts but always approves access
  3. Location changes do not trigger any authorization decision
  4. A controlled location-risk change requires step-up authentication or blocks privileged operations while low-risk access continues.

Explanation

Correct Answer

D:

The decisive acceptance evidence is: A controlled location-risk change requires step-up authentication or blocks privileged operations while low-risk access continues. It demonstrates that the intervention—Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial—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 'A high-risk session continues privileged operations without step-up' would not prove that the proposed security fix succeeded. This is a counterexample to successful enforcement: a prohibited action still succeeds or an expected boundary remains untested. To accept the remediation, the test must demonstrate: A controlled location-risk change requires step-up authentication or blocks privileged operations while low-risk access continues. That measures the actual result of evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

B:

Observing 'The application logs risk alerts but always approves access' 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 controlled location-risk change requires step-up authentication or blocks privileged operations while low-risk access continues. That measures the actual result of evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

C:

Observing 'Location changes do not trigger any authorization decision' 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 controlled location-risk change requires step-up authentication or blocks privileged operations while low-risk access continues. That measures the actual result of evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

Question 329

A privileged application allows access from any managed laptop even when the user changes location to a high-risk region during the session. Even if the primary action succeeds, which specific risk may remain?

  1. A legitimate traveler could be blocked because VPN egress location differs from physical location.
  2. Location inference errors may introduce legitimate-user disruption unless exceptions are governed.
  3. A device could pass an initial compliance check and become untrusted after its antivirus service stops.
  4. An administrator may inadvertently create a permanent exception for a temporary travel request.

Explanation

Correct Answer

B:

The remedy cannot eliminate every downstream risk. The directly relevant remaining issue is: Location inference errors may introduce legitimate-user disruption unless exceptions are governed. This needs monitoring or a separate follow-up after implementing Evaluate contextual policy continuously using user, device, session and location risk before reauthentication or denial.

Incorrect Answers

A:

Location inference requires calibration, but the keyed concern is general false inference causing undue access disruptions and needing governed exceptions.

C:

Posture drift is another continuous-access requirement, not the particular residual of inaccurate location risk signals.

D:

Exception expiry is important, but the specifically stated residual is incorrect geographic inference for otherwise legitimate users.

Question 330

A SAML-enabled expense application intermittently accepts assertions for a retired tenant because its trust configuration includes both old and new identity providers. Which security action is the most defensible next step for this situation?

  1. Use an IP allowlist instead of removing obsolete federation trust
  2. Keep retired IdP trust configured because assertions remain correctly signed
  3. Remove obsolete federation trust and validate signed issuer, audience, timing and intended tenant for each assertion.
  4. Validate only username and ignore issuer and audience

Explanation

Correct Answer

C:

The case shows: A SAML-enabled expense application intermittently accepts assertions for a retired tenant because its trust configuration includes both old and new identity providers. The preferred intervention—Remove obsolete federation trust and validate signed issuer, audience, timing and intended tenant for each assertion—directly corrects that deficiency. The security reason is that a valid signature from a formerly trusted identity provider can admit identities outside the active trust boundary. It is scoped to an enforceable control decision, unlike a policy label or unrelated improvement.

Incorrect Answers

A:

Selecting 'Use an IP allowlist instead of removing obsolete federation trust' 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 valid signature from a formerly trusted identity provider can admit identities outside the active trust boundary. The more defensible control is Remove obsolete federation trust and validate signed issuer, audience, timing and intended tenant for each assertion.

B:

Selecting 'Keep retired IdP trust configured because assertions remain correctly signed' 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: A valid signature from a formerly trusted identity provider can admit identities outside the active trust boundary. The more defensible control is Remove obsolete federation trust and validate signed issuer, audience, timing and intended tenant for each assertion.

D:

Selecting 'Validate only username and ignore issuer and audience' 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: A valid signature from a formerly trusted identity provider can admit identities outside the active trust boundary. The more defensible control is Remove obsolete federation trust and validate signed issuer, audience, timing and intended tenant for each assertion.

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