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Isaca CISA Practice Test 20

Question 190

An IS auditor evaluates this situation: An endpoint dashboard displays every system as healthy even though remote devices have stopped forwarding telemetry. Which audit principle MOST directly applies to this situation?

  1. Physical access controls must cover alternate entry points and generate reliable access evidence.
  2. Mobile management should enforce enrollment, encryption and revocation when devices are lost.
  3. Security monitoring should correlate relevant signals into actionable risk scenarios.
  4. Monitoring reliability requires completeness, heartbeat and sensor-health validation.

Explanation

Correct Answer

D:

Monitoring reliability requires completeness, heartbeat and sensor-health validation. The corresponding audit procedure is: Reconcile endpoint inventory, last-seen data, collection errors and alerting thresholds.

Incorrect Answers

A:

Physical access controls must cover alternate entry points and generate reliable access evidence. This would be relevant to a different issue such as: A server room uses badge access but an unattended emergency door allows unrecorded entry. In the present case, the most directly relevant principle is: Monitoring reliability requires completeness, heartbeat and sensor-health validation. The governing distinction is: Monitoring reliability requires completeness, heartbeat and sensor-health validation.

B:

Mobile management should enforce enrollment, encryption and revocation when devices are lost. This would be relevant to a different issue such as: A lost employee phone still accesses confidential mail because device compliance and remote wipe were never enabled. In the present case, the most directly relevant principle is: Monitoring reliability requires completeness, heartbeat and sensor-health validation. The governing distinction is: Monitoring reliability requires completeness, heartbeat and sensor-health validation.

C:

Security monitoring should correlate relevant signals into actionable risk scenarios. This would be relevant to a different issue such as: A SOC receives repeated login alerts but does not correlate them with high-value account privilege changes. In the present case, the most directly relevant principle is: Monitoring reliability requires completeness, heartbeat and sensor-health validation. The governing distinction is: Monitoring reliability requires completeness, heartbeat and sensor-health validation.

Question 191

An IS auditor is preparing recommendations after reviewing this situation: A cloud event bus drops messages during an outage and consuming systems never replay them. Which recommendation would BEST address the identified weakness?

  1. Recommend durable queuing, replay controls and dead-letter monitoring.
  2. Recommend an authoritative owner and controlled update conflict handling.
  3. Recommend limiting the integration to approved read permissions with reviewed exceptions.
  4. Recommend an accurate component dependency inventory and risk review of single points of failure.

Explanation

Correct Answer

A:

Recommend durable queuing, replay controls and dead-letter monitoring. The relevant control principle is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events. A meaningful follow-up should establish: An outage simulation shows no unexplained data loss and controlled eventual reconciliation.

Incorrect Answers

B:

Recommend an authoritative owner and controlled update conflict handling. This would be relevant to a different issue such as: Two systems independently update the same customer address, producing unpredictable last-write results. In the present case, the most directly relevant recommendation is: Recommend durable queuing, replay controls and dead-letter monitoring. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

C:

Recommend limiting the integration to approved read permissions with reviewed exceptions. This would be relevant to a different issue such as: A production database account has unrestricted privileges for a read-only reporting integration. In the present case, the most directly relevant recommendation is: Recommend durable queuing, replay controls and dead-letter monitoring. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

D:

Recommend an accurate component dependency inventory and risk review of single points of failure. This would be relevant to a different issue such as: A payment service uses a load balancer, two application servers and one database but its diagram lists only the web servers as critical. In the present case, the most directly relevant recommendation is: Recommend durable queuing, replay controls and dead-letter monitoring. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

Question 192

An IS auditor is preparing recommendations after reviewing this situation: A payroll system uses post-payment anomaly reports but has no approval requirement for changing bank accounts. Which recommendation would BEST address the identified weakness?

  1. Recommend an appropriately authorized preventive change control with detective review as a complementary layer.
  2. Obtain a reproducible system-generated extract and corroborate key entries independently.
  3. Recommend distinct authenticated approvers and enforced separation of duties.
  4. Select a defensible sample across relevant processing periods and investigate exceptions.

Explanation

Correct Answer

A:

Recommend an appropriately authorized preventive change control with detective review as a complementary layer. The relevant control principle is: Detective review does not automatically replace an effective preventive authorization control. A meaningful follow-up should establish: A test change cannot bypass approval, and independent exception review still operates.

Incorrect Answers

B:

Obtain a reproducible system-generated extract and corroborate key entries independently. This would be relevant to a different issue such as: A system owner provides a screenshot of an access list without a timestamp or source-system identification. In the present case, the most directly relevant recommendation is: Recommend an appropriately authorized preventive change control with detective review as a complementary layer. The governing distinction is: Detective review does not automatically replace an effective preventive authorization control.

C:

Recommend distinct authenticated approvers and enforced separation of duties. This would be relevant to a different issue such as: A new security control requires two operators to approve destructive data deletion, but both approvals can use one shared account. In the present case, the most directly relevant recommendation is: Recommend an appropriately authorized preventive change control with detective review as a complementary layer. The governing distinction is: Detective review does not automatically replace an effective preventive authorization control.

D:

Select a defensible sample across relevant processing periods and investigate exceptions. This would be relevant to a different issue such as: An auditor samples only Monday transactions to conclude that weekend payments were controlled effectively. In the present case, the most directly relevant recommendation is: Recommend an appropriately authorized preventive change control with detective review as a complementary layer. The governing distinction is: Detective review does not automatically replace an effective preventive authorization control.

Question 193

Before reaching an audit conclusion, consider: A financial application retains operational logs for only a week although investigation rules require six months. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Inspect backup integrity, encryption keys, retention copies and last restore test.
  2. Compare NTP status, clock drift, timezone settings and source event timestamps.
  3. Review approved retention rules, system purge settings, storage capacity and sampled history.
  4. Trace service name resolution, provider SLAs, failure modes and fallback arrangements.

Explanation

Correct Answer

C:

Review approved retention rules, system purge settings, storage capacity and sampled history. The governing principle is: Log retention should align with business, legal, incident and privacy requirements.

Incorrect Answers

A:

Inspect backup integrity, encryption keys, retention copies and last restore test. This would be relevant to a different issue such as: An enterprise calls backups successful because jobs complete, but no recent restoration test has been performed. In the present case, the most directly relevant audit step is: Review approved retention rules, system purge settings, storage capacity and sampled history. The governing distinction is: Log retention should align with business, legal, incident and privacy requirements.

B:

Compare NTP status, clock drift, timezone settings and source event timestamps. This would be relevant to a different issue such as: Multiple servers use unsynchronized clocks so a transaction appears to complete before it begins. In the present case, the most directly relevant audit step is: Review approved retention rules, system purge settings, storage capacity and sampled history. The governing distinction is: Log retention should align with business, legal, incident and privacy requirements.

D:

Trace service name resolution, provider SLAs, failure modes and fallback arrangements. This would be relevant to a different issue such as: A supplier dependency map omits a critical cloud DNS service used by every customer-facing application. In the present case, the most directly relevant audit step is: Review approved retention rules, system purge settings, storage capacity and sampled history. The governing distinction is: Log retention should align with business, legal, incident and privacy requirements.

Question 194

An IS auditor is preparing recommendations after reviewing this situation: A merger adds a regulated customer database after the audit plan was approved, but the plan is treated as unchangeable. Which recommendation would BEST address the identified weakness?

  1. Reprioritize the plan toward the higher-risk system and record the risk rationale.
  2. Complete and document supervisory review before finalizing the report.
  3. Repair the approved monitoring feed and add completeness checks before reliance.
  4. Perform a documented plan refresh with the audit committee's appropriate approval.

Explanation

Correct Answer

D:

Perform a documented plan refresh with the audit committee's appropriate approval. The relevant control principle is: Risk-based audit planning is dynamic when business context and material exposures change. A meaningful follow-up should establish: A revised audit universe and schedule explicitly cover newly material acquisition risks.

Incorrect Answers

A:

Reprioritize the plan toward the higher-risk system and record the risk rationale. This would be relevant to a different issue such as: The annual audit plan gives equal effort to a low-risk intranet and a newly acquired payment processing platform. In the present case, the most directly relevant recommendation is: Perform a documented plan refresh with the audit committee's appropriate approval. The governing distinction is: Risk-based audit planning is dynamic when business context and material exposures change.

B:

Complete and document supervisory review before finalizing the report. This would be relevant to a different issue such as: An audit manager signs the report although a junior tester's exceptions have not received independent review. In the present case, the most directly relevant recommendation is: Perform a documented plan refresh with the audit committee's appropriate approval. The governing distinction is: Risk-based audit planning is dynamic when business context and material exposures change.

C:

Repair the approved monitoring feed and add completeness checks before reliance. This would be relevant to a different issue such as: A continuous monitoring dashboard reports zero failed access attempts because its collection job stopped three days ago. In the present case, the most directly relevant recommendation is: Perform a documented plan refresh with the audit committee's appropriate approval. The governing distinction is: Risk-based audit planning is dynamic when business context and material exposures change.

Question 195

An IS auditor is preparing recommendations after reviewing this situation: Management offers ten handpicked successful failover demonstrations as evidence that every critical service has tested recovery. Which recommendation would BEST address the identified weakness?

  1. Decline the benefit, disclose the approach and apply the organization's ethics process.
  2. Set defensible risk-based objectives and seek audit leadership approval for any scope restriction.
  3. Choose an auditor-controlled sample that includes untested, recently changed and high-impact services.
  4. Rebuild the population including historical departures before selecting test items.

Explanation

Correct Answer

C:

Choose an auditor-controlled sample that includes untested, recently changed and high-impact services. The relevant control principle is: Judgmentally selected favorable examples cannot support a population-wide effectiveness conclusion. A meaningful follow-up should establish: Selected items reconcile to the inventory and any gaps are reflected in the final conclusion.

Incorrect Answers

A:

Decline the benefit, disclose the approach and apply the organization's ethics process. This would be relevant to a different issue such as: An external contractor offers the auditor a valuable gift while a supplier compliance assessment is being finalized. In the present case, the most directly relevant recommendation is: Choose an auditor-controlled sample that includes untested, recently changed and high-impact services. The governing distinction is: Judgmentally selected favorable examples cannot support a population-wide effectiveness conclusion.

B:

Set defensible risk-based objectives and seek audit leadership approval for any scope restriction. This would be relevant to a different issue such as: A business unit requests that internal audit review only controls selected by its system owner. In the present case, the most directly relevant recommendation is: Choose an auditor-controlled sample that includes untested, recently changed and high-impact services. The governing distinction is: Judgmentally selected favorable examples cannot support a population-wide effectiveness conclusion.

D:

Rebuild the population including historical departures before selecting test items. This would be relevant to a different issue such as: A database access audit receives a file containing only current active users although it must assess leavers over the last quarter. In the present case, the most directly relevant recommendation is: Choose an auditor-controlled sample that includes untested, recently changed and high-impact services. The governing distinction is: Judgmentally selected favorable examples cannot support a population-wide effectiveness conclusion.

Question 196

Before reaching an audit conclusion, consider: Continuity leadership bases recovery priorities on annual revenue only and ignores safety-critical low-volume services. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Review nonfinancial impacts, dependency chains and stakeholder severity scales.
  2. Trace service name resolution, provider SLAs, failure modes and fallback arrangements.
  3. Quantify financial and operational consequences of lost transactions over time.
  4. Inspect role grants, query activity, service dependencies and account ownership.

Explanation

Correct Answer

A:

Review nonfinancial impacts, dependency chains and stakeholder severity scales. The governing principle is: Business impact includes legal, safety, customer and operational harm beyond revenue.

Incorrect Answers

B:

Trace service name resolution, provider SLAs, failure modes and fallback arrangements. This would be relevant to a different issue such as: A supplier dependency map omits a critical cloud DNS service used by every customer-facing application. In the present case, the most directly relevant audit step is: Review nonfinancial impacts, dependency chains and stakeholder severity scales. The governing distinction is: Business impact includes legal, safety, customer and operational harm beyond revenue.

C:

Quantify financial and operational consequences of lost transactions over time. This would be relevant to a different issue such as: A sales system's backup schedule is chosen before the business determines acceptable data loss. In the present case, the most directly relevant audit step is: Review nonfinancial impacts, dependency chains and stakeholder severity scales. The governing distinction is: Business impact includes legal, safety, customer and operational harm beyond revenue.

D:

Inspect role grants, query activity, service dependencies and account ownership. This would be relevant to a different issue such as: A production database account has unrestricted privileges for a read-only reporting integration. In the present case, the most directly relevant audit step is: Review nonfinancial impacts, dependency chains and stakeholder severity scales. The governing distinction is: Business impact includes legal, safety, customer and operational harm beyond revenue.

Question 197

An IS auditor evaluates this situation: A production database account has unrestricted privileges for a read-only reporting integration. Which audit principle MOST directly applies to this situation?

  1. Database least privilege should restrict access by actual application function.
  2. Database operations require monitored storage, retention and recovery capacity.
  3. Resilience planning must include external and supporting infrastructure dependencies.
  4. End-to-end service availability depends on all critical infrastructure and application components.

Explanation

Correct Answer

A:

Database least privilege should restrict access by actual application function. The corresponding audit procedure is: Inspect role grants, query activity, service dependencies and account ownership.

Incorrect Answers

B:

Database operations require monitored storage, retention and recovery capacity. This would be relevant to a different issue such as: Database transaction logs fill the only disk volume and cause a payment service outage. In the present case, the most directly relevant principle is: Database least privilege should restrict access by actual application function. The governing distinction is: Database least privilege should restrict access by actual application function.

C:

Resilience planning must include external and supporting infrastructure dependencies. This would be relevant to a different issue such as: A supplier dependency map omits a critical cloud DNS service used by every customer-facing application. In the present case, the most directly relevant principle is: Database least privilege should restrict access by actual application function. The governing distinction is: Database least privilege should restrict access by actual application function.

D:

End-to-end service availability depends on all critical infrastructure and application components. This would be relevant to a different issue such as: A payment service uses a load balancer, two application servers and one database but its diagram lists only the web servers as critical. In the present case, the most directly relevant principle is: Database least privilege should restrict access by actual application function. The governing distinction is: Database least privilege should restrict access by actual application function.

Question 198

An IS auditor evaluates this situation: A cloud-hosted application has healthy virtual machines but customer logins fail when its external identity service is unavailable. Which audit principle MOST directly applies to this situation?

  1. Infrastructure health alone does not represent availability of external service dependencies.
  2. Severe incidents require priority-based classification and timely escalation paths.
  3. End-to-end service availability depends on all critical infrastructure and application components.
  4. Continuity communication should address external dependencies and affected stakeholders.

Explanation

Correct Answer

A:

Infrastructure health alone does not represent availability of external service dependencies. The corresponding audit procedure is: Trace authentication flows, identity-provider status and documented contingency requirements.

Incorrect Answers

B:

Severe incidents require priority-based classification and timely escalation paths. This would be relevant to a different issue such as: A major cyber outage is escalated only after normal helpdesk response times expire. In the present case, the most directly relevant principle is: Infrastructure health alone does not represent availability of external service dependencies. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

C:

End-to-end service availability depends on all critical infrastructure and application components. This would be relevant to a different issue such as: A payment service uses a load balancer, two application servers and one database but its diagram lists only the web servers as critical. In the present case, the most directly relevant principle is: Infrastructure health alone does not represent availability of external service dependencies. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

D:

Continuity communication should address external dependencies and affected stakeholders. This would be relevant to a different issue such as: A regional outage exercise reveals that business partners were never included in the communications tree. In the present case, the most directly relevant principle is: Infrastructure health alone does not represent availability of external service dependencies. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

Question 199

Management reports that this issue has been corrected: Different departments adopt incompatible master-data formats for the same customer identifier. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. Cross-system records reconcile to approved definitions and downstream errors decline.
  2. Selected projects link to approved goals and post-investment benefit monitoring.
  3. Approved exceptions have time limits, compensating controls and technical enforcement evidence.
  4. Verified storage locations and downstream contracts align with permitted processing.

Explanation

Correct Answer

A:

Cross-system records reconcile to approved definitions and downstream errors decline. It addresses enterprise architecture and considerations. Underlying audit concern: Enterprise architecture must account for interoperability, information definitions and data flow consistency.

Incorrect Answers

B:

Selected projects link to approved goals and post-investment benefit monitoring. This would be relevant to a different issue such as: A technology steering group approves projects without showing how they support the organization's strategic priorities. In the present case, the most directly relevant verification is: Cross-system records reconcile to approved definitions and downstream errors decline. The governing distinction is: Enterprise architecture must account for interoperability, information definitions and data flow consistency.

C:

Approved exceptions have time limits, compensating controls and technical enforcement evidence. This would be relevant to a different issue such as: A cloud architecture exception bypasses the organization's target zero-trust network segmentation without review. In the present case, the most directly relevant verification is: Cross-system records reconcile to approved definitions and downstream errors decline. The governing distinction is: Enterprise architecture must account for interoperability, information definitions and data flow consistency.

D:

Verified storage locations and downstream contracts align with permitted processing. This would be relevant to a different issue such as: A subcontractor stores confidential records in a region excluded by the prime provider's contract. In the present case, the most directly relevant verification is: Cross-system records reconcile to approved definitions and downstream errors decline. The governing distinction is: Enterprise architecture must account for interoperability, information definitions and data flow consistency.

Question 200

Management reports that this issue has been corrected: Auditors receive conflicting statements from administrators about whether an encryption setting was enabled during the test period. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. A revised audit universe and schedule explicitly cover newly material acquisition risks.
  2. Assurance evidence spans the review period without unexplained reliance gaps.
  3. The audit conclusion cites verifiable settings effective during the scope period.
  4. Workpapers trace each material reporting risk to an appropriate control and test result.

Explanation

Correct Answer

C:

The audit conclusion cites verifiable settings effective during the scope period. It addresses audit evidence collection techniques. Underlying audit concern: Inquiry alone is weaker than independently corroborated technical evidence.

Incorrect Answers

A:

A revised audit universe and schedule explicitly cover newly material acquisition risks. This would be relevant to a different issue such as: A merger adds a regulated customer database after the audit plan was approved, but the plan is treated as unchangeable. In the present case, the most directly relevant verification is: The audit conclusion cites verifiable settings effective during the scope period. The governing distinction is: Inquiry alone is weaker than independently corroborated technical evidence.

B:

Assurance evidence spans the review period without unexplained reliance gaps. This would be relevant to a different issue such as: A supplier gives the audit team a third-party control report that expired before the review period. In the present case, the most directly relevant verification is: The audit conclusion cites verifiable settings effective during the scope period. The governing distinction is: Inquiry alone is weaker than independently corroborated technical evidence.

D:

Workpapers trace each material reporting risk to an appropriate control and test result. This would be relevant to a different issue such as: A financial reporting controls audit tests only the cloud provider's availability status but ignores the customer's application controls. In the present case, the most directly relevant verification is: The audit conclusion cites verifiable settings effective during the scope period. The governing distinction is: Inquiry alone is weaker than independently corroborated technical evidence.

Certified Information Systems Auditor (CISA) Practice Tests