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Isaca CISA Practice Test 63

Question 620

An IS auditor is preparing recommendations after reviewing this situation: Management calls a readiness workshop a completed audit even though no testing or assurance opinion was planned. Which recommendation would BEST address the identified weakness?

  1. Refine duplicate detection with appropriate compound keys and review exceptions manually.
  2. Obtain a reproducible system-generated extract and corroborate key entries independently.
  3. Clarify the engagement type and issue only conclusions supported by the work actually performed.
  4. Expand the risk-based audit scope to include relevant customer controls and complementary provider assurances.

Explanation

Correct Answer

C:

Clarify the engagement type and issue only conclusions supported by the work actually performed. The relevant control principle is: Advisory assessments and assurance engagements have different scopes, evidence needs and reporting obligations. A meaningful follow-up should establish: The final communication accurately distinguishes advice from an independently supported assurance opinion.

Incorrect Answers

A:

Refine duplicate detection with appropriate compound keys and review exceptions manually. This would be relevant to a different issue such as: An auditor flags duplicated supplier invoices by invoice number alone and ignores vendor identifiers and credit notes. In the present case, the most directly relevant recommendation is: Clarify the engagement type and issue only conclusions supported by the work actually performed. The governing distinction is: Advisory assessments and assurance engagements have different scopes, evidence needs and reporting obligations.

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: Clarify the engagement type and issue only conclusions supported by the work actually performed. The governing distinction is: Advisory assessments and assurance engagements have different scopes, evidence needs and reporting obligations.

D:

Expand the risk-based audit scope to include relevant customer controls and complementary provider assurances. 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 recommendation is: Clarify the engagement type and issue only conclusions supported by the work actually performed. The governing distinction is: Advisory assessments and assurance engagements have different scopes, evidence needs and reporting obligations.

Question 621

An IS auditor evaluates this situation: A payroll release passes developer unit tests but has never completed end-to-end statutory deduction testing. Which audit principle MOST directly applies to this situation?

  1. Functional success does not demonstrate recoverability or continuity readiness.
  2. Production readiness needs business acceptance and control testing beyond unit coverage.
  3. Configuration changes must remain controlled, traceable and aligned with approved baselines.
  4. Post-implementation review should assess realized business outcomes as well as delivery.

Explanation

Correct Answer

B:

Production readiness needs business acceptance and control testing beyond unit coverage. The corresponding audit procedure is: Review legal calculation scenarios, integration test results, unresolved defects and sign-offs.

Incorrect Answers

A:

Functional success does not demonstrate recoverability or continuity readiness. This would be relevant to a different issue such as: A new inventory system's disaster-recovery test is deferred because normal transaction testing passes. In the present case, the most directly relevant principle is: Production readiness needs business acceptance and control testing beyond unit coverage. The governing distinction is: Production readiness needs business acceptance and control testing beyond unit coverage.

C:

Configuration changes must remain controlled, traceable and aligned with approved baselines. This would be relevant to a different issue such as: A production release changes database permissions manually after the reviewed deployment package was approved. In the present case, the most directly relevant principle is: Production readiness needs business acceptance and control testing beyond unit coverage. The governing distinction is: Production readiness needs business acceptance and control testing beyond unit coverage.

D:

Post-implementation review should assess realized business outcomes as well as delivery. This would be relevant to a different issue such as: A new HR system meets its technical go-live date but fails the promised reduction in onboarding time. In the present case, the most directly relevant principle is: Production readiness needs business acceptance and control testing beyond unit coverage. The governing distinction is: Production readiness needs business acceptance and control testing beyond unit coverage.

Question 622

An IS auditor is preparing recommendations after reviewing this situation: A customer portal suffers repeated credential-stuffing attempts from rotating IP addresses. Which recommendation would BEST address the identified weakness?

  1. Recommend adaptive authentication, rate controls and account protection monitoring.
  2. Recommend prompt risk-based incident escalation and containment consideration.
  3. Recommend business-owner attestation with technical evidence and timely deprovisioning.
  4. Recommend role-based training prerequisites and tracked renewal for external users.

Explanation

Correct Answer

A:

Recommend adaptive authentication, rate controls and account protection monitoring. The relevant control principle is: Authentication attack risk should be evaluated beyond simple per-address blocking. A meaningful follow-up should establish: Simulated distributed login abuse is throttled without blocking legitimate customers excessively.

Incorrect Answers

B:

Recommend prompt risk-based incident escalation and containment consideration. This would be relevant to a different issue such as: Repeated impossible-travel sign-ins occur before a finance account initiates unusual transfers. In the present case, the most directly relevant recommendation is: Recommend adaptive authentication, rate controls and account protection monitoring. The governing distinction is: Authentication attack risk should be evaluated beyond simple per-address blocking.

C:

Recommend business-owner attestation with technical evidence and timely deprovisioning. This would be relevant to a different issue such as: A quarterly access certification is completed by a system administrator who cannot identify the employees' current business responsibilities. In the present case, the most directly relevant recommendation is: Recommend adaptive authentication, rate controls and account protection monitoring. The governing distinction is: Authentication attack risk should be evaluated beyond simple per-address blocking.

D:

Recommend role-based training prerequisites and tracked renewal for external users. This would be relevant to a different issue such as: Contractor onboarding omits data-handling training although contractors access classified research files. In the present case, the most directly relevant recommendation is: Recommend adaptive authentication, rate controls and account protection monitoring. The governing distinction is: Authentication attack risk should be evaluated beyond simple per-address blocking.

Question 623

An IS auditor is preparing recommendations after reviewing this situation: Multiple business units publish different values for the same customer account status without a nominated data steward. Which recommendation would BEST address the identified weakness?

  1. Recommend an accountable data steward and controlled master-data quality process.
  2. Recommend balanced KPI and KRI reporting with explicit unresolved risk.
  3. Recommend privacy assessment and purpose-bound collection with proportionate retention controls.
  4. Recommend correcting its label and enforcing corresponding access and handling requirements.

Explanation

Correct Answer

A:

Recommend an accountable data steward and controlled master-data quality process. The relevant control principle is: Data governance requires clear ownership, quality rules and authorized source definitions. A meaningful follow-up should establish: Downstream consumers use a documented authoritative source with measured consistency.

Incorrect Answers

B:

Recommend balanced KPI and KRI reporting with explicit unresolved risk. This would be relevant to a different issue such as: A change program reports all projects green by budget but ignores delayed security deliverables. In the present case, the most directly relevant recommendation is: Recommend an accountable data steward and controlled master-data quality process. The governing distinction is: Data governance requires clear ownership, quality rules and authorized source definitions.

C:

Recommend privacy assessment and purpose-bound collection with proportionate retention controls. This would be relevant to a different issue such as: A marketing platform collects customer location data without a documented lawful purpose or retention period. In the present case, the most directly relevant recommendation is: Recommend an accountable data steward and controlled master-data quality process. The governing distinction is: Data governance requires clear ownership, quality rules and authorized source definitions.

D:

Recommend correcting its label and enforcing corresponding access and handling requirements. This would be relevant to a different issue such as: A finance spreadsheet contains confidential salary data but is labeled public in the enterprise catalog. In the present case, the most directly relevant recommendation is: Recommend an accountable data steward and controlled master-data quality process. The governing distinction is: Data governance requires clear ownership, quality rules and authorized source definitions.

Question 624

Management reports that this issue has been corrected: An inventory API responds successfully while silently truncating long product descriptions during integration. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. A recovery test completes reconciled business transactions within required limits.
  2. Conflicting updates resolve consistently with an auditable business rule.
  3. Only authorized destinations receive necessary data and workflow use is logged.
  4. Full valid descriptions survive transfer and oversized payloads generate tracked exceptions.

Explanation

Correct Answer

D:

Full valid descriptions survive transfer and oversized payloads generate tracked exceptions. It addresses system interfaces. Underlying audit concern: Interface testing must verify semantic accuracy and completeness, not only transport success.

Incorrect Answers

A:

A recovery test completes reconciled business transactions within required limits. This would be relevant to a different issue such as: A disaster recovery runbook lists server boot order but omits database integrity and application acceptance tests. In the present case, the most directly relevant verification is: Full valid descriptions survive transfer and oversized payloads generate tracked exceptions. The governing distinction is: Interface testing must verify semantic accuracy and completeness, not only transport success.

B:

Conflicting updates resolve consistently with an auditable business rule. 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 verification is: Full valid descriptions survive transfer and oversized payloads generate tracked exceptions. The governing distinction is: Interface testing must verify semantic accuracy and completeness, not only transport success.

C:

Only authorized destinations receive necessary data and workflow use is logged. This would be relevant to a different issue such as: A department builds a low-code workflow that sends customer data to an unknown external connector. In the present case, the most directly relevant verification is: Full valid descriptions survive transfer and oversized payloads generate tracked exceptions. The governing distinction is: Interface testing must verify semantic accuracy and completeness, not only transport success.

Question 625

Before reaching an audit conclusion, consider: A cloud-hosted application has healthy virtual machines but customer logins fail when its external identity service is unavailable. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Inspect backup privilege boundaries, deletion rights and ransomware recovery design.
  2. Map live transactions through compute, middleware, database, network and shared dependencies.
  3. Review rack placement, power/cooling diagrams, recovery design and fault dependencies.
  4. Trace authentication flows, identity-provider status and documented contingency requirements.

Explanation

Correct Answer

D:

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

Incorrect Answers

A:

Inspect backup privilege boundaries, deletion rights and ransomware recovery design. This would be relevant to a different issue such as: An attacker encrypts production files and online backups because both use the same compromised admin identity. In the present case, the most directly relevant audit step is: Trace authentication flows, identity-provider status and documented contingency requirements. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

B:

Map live transactions through compute, middleware, database, network and shared dependencies. 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 audit step is: Trace authentication flows, identity-provider status and documented contingency requirements. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

C:

Review rack placement, power/cooling diagrams, recovery design and fault dependencies. This would be relevant to a different issue such as: A database is replicated across two racks but both racks depend on the same cooling circuit. In the present case, the most directly relevant audit step is: Trace authentication flows, identity-provider status and documented contingency requirements. The governing distinction is: Infrastructure health alone does not represent availability of external service dependencies.

Question 626

Before reaching an audit conclusion, consider: A supplier dependency map omits a critical cloud DNS service used by every customer-facing application. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Compare NTP status, clock drift, timezone settings and source event timestamps.
  2. Trace service name resolution, provider SLAs, failure modes and fallback arrangements.
  3. Map physical carrier routes, provider concentration and failure history.
  4. Inspect job exit codes, dependency configuration, completion records and reconciliation totals.

Explanation

Correct Answer

B:

Trace service name resolution, provider SLAs, failure modes and fallback arrangements. The governing principle is: Resilience planning must include external and supporting infrastructure dependencies.

Incorrect Answers

A:

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: Trace service name resolution, provider SLAs, failure modes and fallback arrangements. The governing distinction is: Resilience planning must include external and supporting infrastructure dependencies.

C:

Map physical carrier routes, provider concentration and failure history. This would be relevant to a different issue such as: Two data centers have separate buildings but share one telecom carrier and underground duct. In the present case, the most directly relevant audit step is: Trace service name resolution, provider SLAs, failure modes and fallback arrangements. The governing distinction is: Resilience planning must include external and supporting infrastructure dependencies.

D:

Inspect job exit codes, dependency configuration, completion records and reconciliation totals. This would be relevant to a different issue such as: A nightly settlement batch fails halfway but the scheduler marks the entire chain successful. In the present case, the most directly relevant audit step is: Trace service name resolution, provider SLAs, failure modes and fallback arrangements. The governing distinction is: Resilience planning must include external and supporting infrastructure dependencies.

Question 627

An IS auditor evaluates this situation: A company rehearses DR annually on a clean weekend but its live recovery window overlaps payroll peaks and storage contention. Which audit principle MOST directly applies to this situation?

  1. DR readiness should be tested under credible operational demand and resource constraints.
  2. Database least privilege should restrict access by actual application function.
  3. Disaster recovery design must cover external connectivity and noncompute dependencies.
  4. Continuity plans must integrate people, facilities, technology and business processes.

Explanation

Correct Answer

A:

DR readiness should be tested under credible operational demand and resource constraints. The corresponding audit procedure is: Compare exercise load, peak utilization, business windows and recovery capacity.

Incorrect Answers

B:

Database least privilege should restrict access by actual application function. 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 principle is: DR readiness should be tested under credible operational demand and resource constraints. The governing distinction is: DR readiness should be tested under credible operational demand and resource constraints.

C:

Disaster recovery design must cover external connectivity and noncompute dependencies. This would be relevant to a different issue such as: A recovery site has servers but no validated link to the payment network after a facility loss. In the present case, the most directly relevant principle is: DR readiness should be tested under credible operational demand and resource constraints. The governing distinction is: DR readiness should be tested under credible operational demand and resource constraints.

D:

Continuity plans must integrate people, facilities, technology and business processes. This would be relevant to a different issue such as: A call center continuity binder lists alternate desks but employees cannot access the customer service application from that location. In the present case, the most directly relevant principle is: DR readiness should be tested under credible operational demand and resource constraints. The governing distinction is: DR readiness should be tested under credible operational demand and resource constraints.

Question 628

An IS auditor evaluates this situation: A supplier SLA measures network interface uptime while the business requires successful customer transactions. Which audit principle MOST directly applies to this situation?

  1. Service-level oversight requires end-to-end responsibility and dispute or escalation paths.
  2. Patch governance requires risk-based prioritization, deployment tracking and exception management.
  3. Backup resilience needs separation and protected immutable or offline recovery copies.
  4. Service agreements should define measurable outcomes aligned with customer needs.

Explanation

Correct Answer

D:

Service agreements should define measurable outcomes aligned with customer needs. The corresponding audit procedure is: Compare SLA definitions, user-impacting incidents and critical application dependencies.

Incorrect Answers

A:

Service-level oversight requires end-to-end responsibility and dispute or escalation paths. This would be relevant to a different issue such as: An internal support agreement omits escalation responsibilities for incidents spanning two suppliers. In the present case, the most directly relevant principle is: Service agreements should define measurable outcomes aligned with customer needs. The governing distinction is: Service agreements should define measurable outcomes aligned with customer needs.

B:

Patch governance requires risk-based prioritization, deployment tracking and exception management. This would be relevant to a different issue such as: A security patch is applied on test servers but production remains vulnerable for months without risk approval. In the present case, the most directly relevant principle is: Service agreements should define measurable outcomes aligned with customer needs. The governing distinction is: Service agreements should define measurable outcomes aligned with customer needs.

C:

Backup resilience needs separation and protected immutable or offline recovery copies. This would be relevant to a different issue such as: An attacker encrypts production files and online backups because both use the same compromised admin identity. In the present case, the most directly relevant principle is: Service agreements should define measurable outcomes aligned with customer needs. The governing distinction is: Service agreements should define measurable outcomes aligned with customer needs.

Question 629

An IS auditor evaluates this situation: An operator can edit scheduled payroll scripts directly in production without independent approval. Which audit principle MOST directly applies to this situation?

  1. Capacity planning must account for peak demand, growth and degraded operation.
  2. Effective inventory management supports accountable maintenance, security and lifecycle decisions.
  3. Job automation changes should be authorized, versioned and attributable.
  4. Automated jobs require dependency, exception and completion controls for reliable processing.

Explanation

Correct Answer

C:

Job automation changes should be authorized, versioned and attributable. The corresponding audit procedure is: Inspect scheduler permissions, script hashes, change tickets and execution history.

Incorrect Answers

A:

Capacity planning must account for peak demand, growth and degraded operation. This would be relevant to a different issue such as: A transaction platform runs at high average CPU and has no measured headroom for seasonal spikes. In the present case, the most directly relevant principle is: Job automation changes should be authorized, versioned and attributable. The governing distinction is: Job automation changes should be authorized, versioned and attributable.

B:

Effective inventory management supports accountable maintenance, security and lifecycle decisions. This would be relevant to a different issue such as: An IT inventory lists hundreds of production servers without owners or support end dates. In the present case, the most directly relevant principle is: Job automation changes should be authorized, versioned and attributable. The governing distinction is: Job automation changes should be authorized, versioned and attributable.

D:

Automated jobs require dependency, exception and completion controls for reliable processing. This would be relevant to a different issue such as: A nightly settlement batch fails halfway but the scheduler marks the entire chain successful. In the present case, the most directly relevant principle is: Job automation changes should be authorized, versioned and attributable. The governing distinction is: Job automation changes should be authorized, versioned and attributable.

Question 630

Before reaching an audit conclusion, consider: A continuity plan lists the chief executive as the only emergency decision authority with no alternate. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Review alternate site connectivity, authentication, software licensing and staff procedures.
  2. Reconcile automated discovery, service dependencies and change history.
  3. Examine invocation criteria, contact trees, authority matrix and availability assumptions.
  4. Map payment partners, identity, network, staff and data needed for the service.

Explanation

Correct Answer

C:

Examine invocation criteria, contact trees, authority matrix and availability assumptions. The governing principle is: BCP governance requires delegation and clear command arrangements under disruption.

Incorrect Answers

A:

Review alternate site connectivity, authentication, software licensing and staff procedures. This would be relevant to a different issue such as: A call center continuity binder lists alternate desks but employees cannot access the customer service application from that location. In the present case, the most directly relevant audit step is: Examine invocation criteria, contact trees, authority matrix and availability assumptions. The governing distinction is: BCP governance requires delegation and clear command arrangements under disruption.

B:

Reconcile automated discovery, service dependencies and change history. This would be relevant to a different issue such as: A configuration database lists a retired server as the active owner of a production application. In the present case, the most directly relevant audit step is: Examine invocation criteria, contact trees, authority matrix and availability assumptions. The governing distinction is: BCP governance requires delegation and clear command arrangements under disruption.

D:

Map payment partners, identity, network, staff and data needed for the service. This would be relevant to a different issue such as: A business owner specifies a one-hour RTO but has never identified which external dependencies must also be restored. In the present case, the most directly relevant audit step is: Examine invocation criteria, contact trees, authority matrix and availability assumptions. The governing distinction is: BCP governance requires delegation and clear command arrangements under disruption.

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