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Isaca CISA Practice Test 30

Question 290

Before reaching an audit conclusion, consider: A sales system's backup schedule is chosen before the business determines acceptable data loss. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Quantify financial and operational consequences of lost transactions over time.
  2. Interview process owners, quantify disruption impacts and map dependent systems.
  3. Map DNS architecture, cache behavior, alternate paths and outage records.
  4. Compare discovery scans, inventory records, host ownership and vendor support status.

Explanation

Correct Answer

A:

Quantify financial and operational consequences of lost transactions over time. It is more reliable than assuming the claimed control state from discussion alone. The governing principle is: RPO should be derived from business impact and transactional tolerance, not backup convenience.

Incorrect Answers

B:

Interview process owners, quantify disruption impacts and map dependent systems. This would be relevant to a different issue such as: A continuity plan treats a rarely used test portal and a critical emergency dispatch system as equally urgent. In the present case, the most directly relevant audit step is: Quantify financial and operational consequences of lost transactions over time. The governing distinction is: RPO should be derived from business impact and transactional tolerance, not backup convenience.

C:

Map DNS architecture, cache behavior, alternate paths and outage records. This would be relevant to a different issue such as: A redundant web cluster shares one DNS resolver and becomes inaccessible when that resolver fails. In the present case, the most directly relevant audit step is: Quantify financial and operational consequences of lost transactions over time. The governing distinction is: RPO should be derived from business impact and transactional tolerance, not backup convenience.

D:

Compare discovery scans, inventory records, host ownership and vendor support status. 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 audit step is: Quantify financial and operational consequences of lost transactions over time. The governing distinction is: RPO should be derived from business impact and transactional tolerance, not backup convenience.

Question 291

Before reaching an audit conclusion, consider: A continuous monitoring dashboard reports zero failed access attempts because its collection job stopped three days ago. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Check event forwarding, immutable storage controls, access logs and clock accuracy.
  2. Reconcile event volume, source heartbeat, ingestion timestamps and excluded records.
  3. Inspect identity binding, approval logs and whether one person can trigger both approvals.
  4. Inspect data model, supplier identifiers, credit indicators and reconciliation counts.

Explanation

Correct Answer

B:

Reconcile event volume, source heartbeat, ingestion timestamps and excluded records. The governing principle is: A zero-exception result is unreliable if data completeness and pipeline health are unverified.

Incorrect Answers

A:

Check event forwarding, immutable storage controls, access logs and clock accuracy. This would be relevant to a different issue such as: A vendor's audit log is editable by the same administrator whose changes are under investigation. In the present case, the most directly relevant audit step is: Reconcile event volume, source heartbeat, ingestion timestamps and excluded records. The governing distinction is: A zero-exception result is unreliable if data completeness and pipeline health are unverified.

C:

Inspect identity binding, approval logs and whether one person can trigger both approvals. 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 audit step is: Reconcile event volume, source heartbeat, ingestion timestamps and excluded records. The governing distinction is: A zero-exception result is unreliable if data completeness and pipeline health are unverified.

D:

Inspect data model, supplier identifiers, credit indicators and reconciliation counts. 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 audit step is: Reconcile event volume, source heartbeat, ingestion timestamps and excluded records. The governing distinction is: A zero-exception result is unreliable if data completeness and pipeline health are unverified.

Question 292

An IS auditor evaluates this situation: An enterprise applies one numeric risk score to cyber, safety and privacy exposures despite different materiality definitions. Which audit principle MOST directly applies to this situation?

  1. Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions.
  2. Third-party governance must extend material controls and data obligations to subcontractors.
  3. Governance should define risk ownership and objective challenge across accountable roles.
  4. Management owns risk treatment; the auditor evaluates its governance and effectiveness.

Explanation

Correct Answer

A:

Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions. The corresponding audit procedure is: Inspect category methodologies, thresholds and reporting assumptions.

Incorrect Answers

B:

Third-party governance must extend material controls and data obligations to subcontractors. 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 principle is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions. The governing distinction is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions.

C:

Governance should define risk ownership and objective challenge across accountable roles. This would be relevant to a different issue such as: A chief technology officer both accepts enterprise cyber risk and certifies the independence of the risk oversight function. In the present case, the most directly relevant principle is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions. The governing distinction is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions.

D:

Management owns risk treatment; the auditor evaluates its governance and effectiveness. This would be relevant to a different issue such as: A risk register identifies unpatched critical servers but assigns the mitigation decision to the auditor. In the present case, the most directly relevant principle is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions. The governing distinction is: Risk aggregation requires consistent criteria and clear reporting of noncomparable dimensions.

Question 293

Management reports that this issue has been corrected: Emergency administrator accounts are exempt from monitoring and are never tested until an outage. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. A supervised emergency test succeeds and creates attributable alerts and restoration evidence.
  2. Regional implementations satisfy both corporate security intent and applicable legal obligations.
  3. An unauthorized password-only login to privileged remote access is rejected.
  4. A controlled upstream power loss leaves essential services within continuity targets.

Explanation

Correct Answer

A:

A supervised emergency test succeeds and creates attributable alerts and restoration evidence. It addresses identity and access management. Underlying audit concern: Break-glass access must be controlled, logged, tested and periodically reauthorized.

Incorrect Answers

B:

Regional implementations satisfy both corporate security intent and applicable legal obligations. This would be relevant to a different issue such as: A regional business copies a global security baseline but has no documented exceptions for local privacy restrictions. In the present case, the most directly relevant verification is: A supervised emergency test succeeds and creates attributable alerts and restoration evidence. The governing distinction is: Break-glass access must be controlled, logged, tested and periodically reauthorized.

C:

An unauthorized password-only login to privileged remote access is rejected. This would be relevant to a different issue such as: A remote-access gateway accepts a password alone for high-impact production administrators. In the present case, the most directly relevant verification is: A supervised emergency test succeeds and creates attributable alerts and restoration evidence. The governing distinction is: Break-glass access must be controlled, logged, tested and periodically reauthorized.

D:

A controlled upstream power loss leaves essential services within continuity targets. This would be relevant to a different issue such as: A data center's redundant power feeds terminate at the same upstream distribution panel. In the present case, the most directly relevant verification is: A supervised emergency test succeeds and creates attributable alerts and restoration evidence. The governing distinction is: Break-glass access must be controlled, logged, tested and periodically reauthorized.

Question 294

Management reports that this issue has been corrected: A redundant web cluster shares one DNS resolver and becomes inaccessible when that resolver fails. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. A realistic stress test meets response targets with required failover headroom.
  2. A DNS component outage does not exceed the agreed service interruption target.
  3. A simulated severe incident reaches designated decision-makers within defined thresholds.
  4. Reported service levels capture transaction outages even when network links are healthy.

Explanation

Correct Answer

B:

A DNS component outage does not exceed the agreed service interruption target. It addresses systems availability and capacity management. Underlying audit concern: Availability analysis must include upstream shared dependencies, not just redundant hosts.

Incorrect Answers

A:

A realistic stress test meets response targets with required failover headroom. 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 verification is: A DNS component outage does not exceed the agreed service interruption target. The governing distinction is: Availability analysis must include upstream shared dependencies, not just redundant hosts.

C:

A simulated severe incident reaches designated decision-makers within defined thresholds. 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 verification is: A DNS component outage does not exceed the agreed service interruption target. The governing distinction is: Availability analysis must include upstream shared dependencies, not just redundant hosts.

D:

Reported service levels capture transaction outages even when network links are healthy. This would be relevant to a different issue such as: A supplier SLA measures network interface uptime while the business requires successful customer transactions. In the present case, the most directly relevant verification is: A DNS component outage does not exceed the agreed service interruption target. The governing distinction is: Availability analysis must include upstream shared dependencies, not just redundant hosts.

Question 295

An IS auditor is preparing recommendations after reviewing this situation: A production network permits unrestricted traffic from user workstations to a sensitive payment database. Which recommendation would BEST address the identified weakness?

  1. Recommend restricted protected signing operations and independent key management oversight.
  2. Recommend prioritized alert ownership, response playbooks and independent oversight.
  3. Recommend least-privileged segmentation with controlled exception review.
  4. Recommend role-based training prerequisites and tracked renewal for external users.

Explanation

Correct Answer

C:

Recommend least-privileged segmentation with controlled exception review. The relevant control principle is: Network segmentation should enforce justified traffic paths and reduce lateral movement. A meaningful follow-up should establish: Permitted application transactions work while direct unauthorized client access is denied.

Incorrect Answers

A:

Recommend restricted protected signing operations and independent key management oversight. This would be relevant to a different issue such as: A certificate authority's signing key is available to several administrators without dual control. In the present case, the most directly relevant recommendation is: Recommend least-privileged segmentation with controlled exception review. The governing distinction is: Network segmentation should enforce justified traffic paths and reduce lateral movement.

B:

Recommend prioritized alert ownership, response playbooks and independent oversight. This would be relevant to a different issue such as: A company implements a network intrusion detector but does not assign anyone to triage severe alerts. In the present case, the most directly relevant recommendation is: Recommend least-privileged segmentation with controlled exception review. The governing distinction is: Network segmentation should enforce justified traffic paths and reduce lateral movement.

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 least-privileged segmentation with controlled exception review. The governing distinction is: Network segmentation should enforce justified traffic paths and reduce lateral movement.

Question 296

An IS auditor is preparing recommendations after reviewing this situation: A lost employee phone still accesses confidential mail because device compliance and remote wipe were never enabled. Which recommendation would BEST address the identified weakness?

  1. Recommend post-renewal service validation and alerting before expiry thresholds.
  2. Recommend protected original preservation and analysis on validated working copies.
  3. Recommend compliant device controls and prompt token invalidation or managed wipe.
  4. Recommend credential replacement and isolated authorized device communication.

Explanation

Correct Answer

C:

Recommend compliant device controls and prompt token invalidation or managed wipe. The relevant control principle is: Mobile management should enforce enrollment, encryption and revocation when devices are lost. A meaningful follow-up should establish: A lost-device simulation prevents continued corporate access without authorization.

Incorrect Answers

A:

Recommend post-renewal service validation and alerting before expiry thresholds. This would be relevant to a different issue such as: An internal portal outage follows certificate expiration despite an automated renewal job that reported success. In the present case, the most directly relevant recommendation is: Recommend compliant device controls and prompt token invalidation or managed wipe. The governing distinction is: Mobile management should enforce enrollment, encryption and revocation when devices are lost.

B:

Recommend protected original preservation and analysis on validated working copies. This would be relevant to a different issue such as: Security staff begin forensic analysis directly on a live original log file and overwrite timestamps. In the present case, the most directly relevant recommendation is: Recommend compliant device controls and prompt token invalidation or managed wipe. The governing distinction is: Mobile management should enforce enrollment, encryption and revocation when devices are lost.

D:

Recommend credential replacement and isolated authorized device communication. This would be relevant to a different issue such as: Warehouse sensors retain factory passwords and are reachable from the corporate office LAN. In the present case, the most directly relevant recommendation is: Recommend compliant device controls and prompt token invalidation or managed wipe. The governing distinction is: Mobile management should enforce enrollment, encryption and revocation when devices are lost.

Question 297

Management reports that this issue has been corrected: A system owner provides a screenshot of an access list without a timestamp or source-system identification. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. Assurance evidence spans the review period without unexplained reliance gaps.
  2. The workpaper records source, date, collection method and reconciliation to original records.
  3. A revised audit universe and schedule explicitly cover newly material acquisition risks.
  4. The final communication accurately distinguishes advice from an independently supported assurance opinion.

Explanation

Correct Answer

B:

The workpaper records source, date, collection method and reconciliation to original records. It addresses audit evidence collection techniques. Underlying audit concern: Audit evidence reliability depends on source, integrity, relevance and timing.

Incorrect Answers

A:

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 workpaper records source, date, collection method and reconciliation to original records. The governing distinction is: Audit evidence reliability depends on source, integrity, relevance and timing.

C:

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 workpaper records source, date, collection method and reconciliation to original records. The governing distinction is: Audit evidence reliability depends on source, integrity, relevance and timing.

D:

The final communication accurately distinguishes advice from an independently supported assurance opinion. This would be relevant to a different issue such as: Management calls a readiness workshop a completed audit even though no testing or assurance opinion was planned. In the present case, the most directly relevant verification is: The workpaper records source, date, collection method and reconciliation to original records. The governing distinction is: Audit evidence reliability depends on source, integrity, relevance and timing.

Question 298

Management reports that this issue has been corrected: A shared IT helpdesk closes incidents quickly by marking unresolved requests as user error. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. A qualified alternate performs a representative critical task without the primary specialist.
  2. Sample teams operate the current version and report measurable adherence.
  3. Reopened incident and false-closure rates are tracked and reduced.
  4. Signed obligations and monitoring evidence cover the organization's critical service needs.

Explanation

Correct Answer

C:

Reopened incident and false-closure rates are tracked and reduced. It addresses quality assurance and quality management of it. Underlying audit concern: Quality measures can be gamed if closure accuracy and user outcomes are not assessed.

Incorrect Answers

A:

A qualified alternate performs a representative critical task without the primary specialist. This would be relevant to a different issue such as: A planned analytics launch relies on one database specialist who has no trained backup. In the present case, the most directly relevant verification is: Reopened incident and false-closure rates are tracked and reduced. The governing distinction is: Quality measures can be gamed if closure accuracy and user outcomes are not assessed.

B:

Sample teams operate the current version and report measurable adherence. This would be relevant to a different issue such as: A new corporate service standard is rolled out without training, version control or effectiveness reviews. In the present case, the most directly relevant verification is: Reopened incident and false-closure rates are tracked and reduced. The governing distinction is: Quality measures can be gamed if closure accuracy and user outcomes are not assessed.

D:

Signed obligations and monitoring evidence cover the organization's critical service needs. This would be relevant to a different issue such as: A SaaS provider promises 99.9% uptime in a brochure but the signed agreement contains no measurable recovery commitment. In the present case, the most directly relevant verification is: Reopened incident and false-closure rates are tracked and reduced. The governing distinction is: Quality measures can be gamed if closure accuracy and user outcomes are not assessed.

Question 299

An IS auditor is preparing recommendations after reviewing this situation: Procurement selects the lowest-cost cloud vendor while ignoring prior security incidents and regulatory audit rights. Which recommendation would BEST address the identified weakness?

  1. Escalate the unauthorized processing and require approved subprocessor controls or remediation.
  2. Recommend a jurisdiction-specific obligation register and tested control mapping for the service.
  3. Recommend risk-weighted supplier evaluation with documented approval of material exceptions.
  4. Recommend correcting its label and enforcing corresponding access and handling requirements.

Explanation

Correct Answer

C:

Recommend risk-weighted supplier evaluation with documented approval of material exceptions. The relevant control principle is: Sourcing decisions should assess total risk and contractual fitness, not price alone. A meaningful follow-up should establish: The selected vendor meets mandatory criteria or has approved documented mitigation.

Incorrect Answers

A:

Escalate the unauthorized processing and require approved subprocessor controls or remediation. 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 recommendation is: Recommend risk-weighted supplier evaluation with documented approval of material exceptions. The governing distinction is: Sourcing decisions should assess total risk and contractual fitness, not price alone.

B:

Recommend a jurisdiction-specific obligation register and tested control mapping for the service. This would be relevant to a different issue such as: A multinational cloud project assumes a control compliant in one country automatically satisfies every jurisdiction in which data is processed. In the present case, the most directly relevant recommendation is: Recommend risk-weighted supplier evaluation with documented approval of material exceptions. The governing distinction is: Sourcing decisions should assess total risk and contractual fitness, not price alone.

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 risk-weighted supplier evaluation with documented approval of material exceptions. The governing distinction is: Sourcing decisions should assess total risk and contractual fitness, not price alone.

Question 300

An IS auditor is preparing recommendations after reviewing this situation: A revoked supplier certificate remains trusted by an application because revocation checks are disabled. Which recommendation would BEST address the identified weakness?

  1. Recommend post-renewal service validation and alerting before expiry thresholds.
  2. Recommend appropriate revocation validation and monitored failure handling.
  3. Recommend controlled validation and risk-ranked remediation rather than blind closure.
  4. Recommend complementary least-privilege access, export monitoring and key governance.

Explanation

Correct Answer

B:

Recommend appropriate revocation validation and monitored failure handling. The relevant control principle is: Certificate trust decisions should account for revocation and current validity requirements. A meaningful follow-up should establish: The application rejects a known revoked test certificate while accepting valid trusted peers.

Incorrect Answers

A:

Recommend post-renewal service validation and alerting before expiry thresholds. This would be relevant to a different issue such as: An internal portal outage follows certificate expiration despite an automated renewal job that reported success. In the present case, the most directly relevant recommendation is: Recommend appropriate revocation validation and monitored failure handling. The governing distinction is: Certificate trust decisions should account for revocation and current validity requirements.

C:

Recommend controlled validation and risk-ranked remediation rather than blind closure. This would be relevant to a different issue such as: A vulnerability scanner reports a critical web flaw but the service is behind a compensating control and no validation occurs. In the present case, the most directly relevant recommendation is: Recommend appropriate revocation validation and monitored failure handling. The governing distinction is: Certificate trust decisions should account for revocation and current validity requirements.

D:

Recommend complementary least-privilege access, export monitoring and key governance. This would be relevant to a different issue such as: A database encrypts storage disks but application administrators can export plaintext sensitive records without monitoring. In the present case, the most directly relevant recommendation is: Recommend appropriate revocation validation and monitored failure handling. The governing distinction is: Certificate trust decisions should account for revocation and current validity requirements.

Certified Information Systems Auditor (CISA) Practice Tests