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Isaca CISA Practice Test 25

Question 240

Before reaching an audit conclusion, consider: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Define incident window, available provider logs, retention limits and relevant account events.
  2. Review acquisition authorization, image hashes, timestamps and custody transfers.
  3. Review virtual infrastructure roles, snapshot events, datastore permissions and monitoring.
  4. Inspect privileged session logs, account ownership, vault configuration and duties.

Explanation

Correct Answer

A:

Define incident window, available provider logs, retention limits and relevant account events. The governing principle is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.

Incorrect Answers

B:

Review acquisition authorization, image hashes, timestamps and custody transfers. This would be relevant to a different issue such as: An investigator copies a suspect laptop disk without recording who handled it or whether the image changed. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.

C:

Review virtual infrastructure roles, snapshot events, datastore permissions and monitoring. This would be relevant to a different issue such as: A virtualization administrator can snapshot and download regulated production virtual machines without oversight. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.

D:

Inspect privileged session logs, account ownership, vault configuration and duties. This would be relevant to a different issue such as: Privileged database administrators routinely use shared root credentials without individual attribution. In the present case, the most directly relevant audit step is: Define incident window, available provider logs, retention limits and relevant account events. The governing distinction is: Forensic collection scope should preserve a complete relevant timeline within lawful boundaries.

Question 241

Before reaching an audit conclusion, consider: A penetration test exercises production authentication without authorization or a recovery plan. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Compare contractor rosters, entitlements, training records and onboarding gates.
  2. Inspect signed authorization, timing constraints, target list and emergency stop procedures.
  3. Review scanner evidence, actual exposure, exploit preconditions and protective controls.
  4. Inspect trust-store settings, CRL/OCSP reachability, cache behavior and certificate status.

Explanation

Correct Answer

B:

Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing principle is: Security testing must have approved scope, safe methods and accountable rules of engagement.

Incorrect Answers

A:

Compare contractor rosters, entitlements, training records and onboarding gates. 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 audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.

C:

Review scanner evidence, actual exposure, exploit preconditions and protective controls. 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 audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.

D:

Inspect trust-store settings, CRL/OCSP reachability, cache behavior and certificate status. This would be relevant to a different issue such as: A revoked supplier certificate remains trusted by an application because revocation checks are disabled. In the present case, the most directly relevant audit step is: Inspect signed authorization, timing constraints, target list and emergency stop procedures. The governing distinction is: Security testing must have approved scope, safe methods and accountable rules of engagement.

Question 242

Before reaching an audit conclusion, consider: A cloud event bus drops messages during an outage and consuming systems never replay them. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Inspect intertier dependencies, RTO/RPO, test scripts and business sign-off criteria.
  2. Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures.
  3. Trace event timestamps, source authority, synchronization paths and mismatched records.
  4. Review service boundaries, dependency maps and sample unresolved multivendor incidents.

Explanation

Correct Answer

B:

Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing principle is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

Incorrect Answers

A:

Inspect intertier dependencies, RTO/RPO, test scripts and business sign-off criteria. 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 audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

C:

Trace event timestamps, source authority, synchronization paths and mismatched records. 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 audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

D:

Review service boundaries, dependency maps and sample unresolved multivendor incidents. 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 audit step is: Inspect queue retention, acknowledgement logic, failed-message stores and recovery procedures. The governing distinction is: Reliable integration requires durable delivery, recovery and monitoring of unprocessed events.

Question 243

Before reaching an audit conclusion, consider: A department builds a low-code workflow that sends customer data to an unknown external connector. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Review staffing coverage, privileged break-glass processes and knowledge transfer.
  2. Review spreadsheet logic, versioning, reconciliations, owners and manual overrides.
  3. Inspect connector permissions, transferred fields, approval records and process ownership.
  4. Review service boundaries, dependency maps and sample unresolved multivendor incidents.

Explanation

Correct Answer

C:

Inspect connector permissions, transferred fields, approval records and process ownership. The governing principle is: Citizen-developed systems remain subject to data governance and integration security.

Incorrect Answers

A:

Review staffing coverage, privileged break-glass processes and knowledge transfer. This would be relevant to a different issue such as: A highly available application uses only one privileged administrator who is unavailable during a holiday. In the present case, the most directly relevant audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.

B:

Review spreadsheet logic, versioning, reconciliations, owners and manual overrides. This would be relevant to a different issue such as: A spreadsheet with editable formulas calculates regulatory capital but has no validation or change history. In the present case, the most directly relevant audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.

D:

Review service boundaries, dependency maps and sample unresolved multivendor incidents. 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 audit step is: Inspect connector permissions, transferred fields, approval records and process ownership. The governing distinction is: Citizen-developed systems remain subject to data governance and integration security.

Question 244

Management reports that this issue has been corrected: Security staff begin forensic analysis directly on a live original log file and overwrite timestamps. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. Dashboards distinguish policy existence from verified control performance.
  2. The reconstructed sequence includes initial access, activity and response without unexplained gaps.
  3. The untouched original and analyzed copy have recorded provenance and integrity checks.
  4. A supervised emergency test succeeds and creates attributable alerts and restoration evidence.

Explanation

Correct Answer

C:

The untouched original and analyzed copy have recorded provenance and integrity checks. It addresses evidence collection and forensics. Underlying audit concern: Preserving original evidence is essential for reliable investigation and potential legal use.

Incorrect Answers

A:

Dashboards distinguish policy existence from verified control performance. This would be relevant to a different issue such as: A compliance dashboard reports all policies published but does not measure whether their security controls operate. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.

B:

The reconstructed sequence includes initial access, activity and response without unexplained gaps. This would be relevant to a different issue such as: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.

D:

A supervised emergency test succeeds and creates attributable alerts and restoration evidence. This would be relevant to a different issue such as: Emergency administrator accounts are exempt from monitoring and are never tested until an outage. In the present case, the most directly relevant verification is: The untouched original and analyzed copy have recorded provenance and integrity checks. The governing distinction is: Preserving original evidence is essential for reliable investigation and potential legal use.

Question 245

An IS auditor is preparing recommendations after reviewing this situation: Two subsidiaries have overlapping IT decision boards with conflicting authority to approve enterprise architecture exceptions. Which recommendation would BEST address the identified weakness?

  1. Clarify accountable architecture decision rights and a formal escalation path.
  2. Recommend cross-training and documented alternate coverage for critical operations.
  3. Recommend objective-linked strategic goals, budgets and measurable service outcomes.
  4. Recommend balanced KPI and KRI reporting with explicit unresolved risk.

Explanation

Correct Answer

A:

Clarify accountable architecture decision rights and a formal escalation path. The relevant control principle is: Ambiguous governance rights can produce inconsistent and unowned technology decisions. A meaningful follow-up should establish: Exception decisions show one approved authority, justification and stakeholder communication.

Incorrect Answers

B:

Recommend cross-training and documented alternate coverage for critical operations. 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 recommendation is: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.

C:

Recommend objective-linked strategic goals, budgets and measurable service outcomes. This would be relevant to a different issue such as: An IT strategy document lists new tools but has no targets for customer availability or service costs. In the present case, the most directly relevant recommendation is: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.

D:

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: Clarify accountable architecture decision rights and a formal escalation path. The governing distinction is: Ambiguous governance rights can produce inconsistent and unowned technology decisions.

Question 246

An IS auditor is preparing recommendations after reviewing this situation: An organization discovers a reportable personal-data breach but no one knows who can authorize external notification. Which recommendation would BEST address the identified weakness?

  1. Recommend coordinated containment and validated clean recovery before reopening access.
  2. Recommend restoring critical module coverage and validating findings with manual review.
  3. Recommend defined legal and executive notification authority with tested deadlines.
  4. Recommend promptly preserving appropriately scoped logs and cloud snapshots with custody records.

Explanation

Correct Answer

C:

Recommend defined legal and executive notification authority with tested deadlines. The relevant control principle is: Incident governance should define regulatory communication and accountable legal decisions. A meaningful follow-up should establish: A tabletop triggers authorized decisions and compliant notices within required timeframes.

Incorrect Answers

A:

Recommend coordinated containment and validated clean recovery before reopening access. This would be relevant to a different issue such as: A ransomware incident plan focuses on restoring files but omits containment of compromised privileged identities. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.

B:

Recommend restoring critical module coverage and validating findings with manual review. This would be relevant to a different issue such as: A code review tool shows no vulnerabilities after analysts exclude the main authentication module from scanning. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.

D:

Recommend promptly preserving appropriately scoped logs and cloud snapshots with custody records. This would be relevant to a different issue such as: A cloud incident investigator exports only the latest activity logs, omitting records from the suspected initial compromise. In the present case, the most directly relevant recommendation is: Recommend defined legal and executive notification authority with tested deadlines. The governing distinction is: Incident governance should define regulatory communication and accountable legal decisions.

Question 247

Management reports that this issue has been corrected: A vendor incident triggers a temporary exception but the residual risk is never reconsidered after six months. Which result would provide the STRONGEST assurance that the issue is corrected?

  1. Signed obligations and monitoring evidence cover the organization's critical service needs.
  2. Board risk views disclose significant exposures without misleading cross-category comparisons.
  3. Expired exceptions close or are explicitly renewed with current evidence and risk ownership.
  4. Sample changes in each region follow the same mandatory authorization and evidence rules.

Explanation

Correct Answer

C:

Expired exceptions close or are explicitly renewed with current evidence and risk ownership. It addresses enterprise risk management. Underlying audit concern: Risk exceptions require periodic review against changing exposure and acceptance authority.

Incorrect Answers

A:

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: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.

B:

Board risk views disclose significant exposures without misleading cross-category comparisons. This would be relevant to a different issue such as: An enterprise applies one numeric risk score to cyber, safety and privacy exposures despite different materiality definitions. In the present case, the most directly relevant verification is: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.

D:

Sample changes in each region follow the same mandatory authorization and evidence rules. This would be relevant to a different issue such as: Regional IT teams follow conflicting change-control procedures even though one enterprise policy applies. In the present case, the most directly relevant verification is: Expired exceptions close or are explicitly renewed with current evidence and risk ownership. The governing distinction is: Risk exceptions require periodic review against changing exposure and acceptance authority.

Question 248

Before reaching an audit conclusion, consider: The legal team interprets a contractual data retention clause differently from IT's automatic deletion schedule. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Inspect signed contractual terms, legal interpretation, retention rules and purge job output.
  2. Compare the current regulator publication, policy inventory and reporting workflow dates.
  3. Compare transaction success, synthetic tests, infrastructure metrics and outage records.
  4. Check enterprise risk roles, server exposure, risk ratings and assigned accountable owners.

Explanation

Correct Answer

A:

Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing principle is: Control design must reconcile binding requirements with approved retention and deletion practices.

Incorrect Answers

B:

Compare the current regulator publication, policy inventory and reporting workflow dates. This would be relevant to a different issue such as: A bank's compliance register still lists a superseded regulatory reporting deadline after a rule change. In the present case, the most directly relevant audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.

C:

Compare transaction success, synthetic tests, infrastructure metrics and outage records. This would be relevant to a different issue such as: The IT dashboard shows 100 percent server uptime while customers report failed checkout transactions. In the present case, the most directly relevant audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.

D:

Check enterprise risk roles, server exposure, risk ratings and assigned accountable owners. 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 audit step is: Inspect signed contractual terms, legal interpretation, retention rules and purge job output. The governing distinction is: Control design must reconcile binding requirements with approved retention and deletion practices.

Question 249

Before reaching an audit conclusion, consider: A sample of authorized changes contains failures, yet the auditor extrapolates a zero-percent exception rate. Which evidence should the auditor review FIRST to evaluate this risk?

  1. Check reviewer identities, permissions, timestamps and supervisory quality policy.
  2. Obtain the complete critical-service inventory and independent exercise records.
  3. Separate audit-period evidence, remediation date and independent retest results.
  4. Recalculate the deviation rate, sample size, population and observed exceptions.

Explanation

Correct Answer

D:

Recalculate the deviation rate, sample size, population and observed exceptions. It is more reliable than assuming the claimed control state from discussion alone. The governing principle is: Sample conclusions must reflect observed deviations and appropriate uncertainty.

Incorrect Answers

A:

Check reviewer identities, permissions, timestamps and supervisory quality policy. This would be relevant to a different issue such as: An audit director relies on peer sign-offs that were completed by the same person who prepared each working paper. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.

B:

Obtain the complete critical-service inventory and independent exercise records. This would be relevant to a different issue such as: Management offers ten handpicked successful failover demonstrations as evidence that every critical service has tested recovery. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.

C:

Separate audit-period evidence, remediation date and independent retest results. This would be relevant to a different issue such as: An auditee disputes an audit exception by supplying a later control fix, then asks to erase the historical finding. In the present case, the most directly relevant audit step is: Recalculate the deviation rate, sample size, population and observed exceptions. The governing distinction is: Sample conclusions must reflect observed deviations and appropriate uncertainty.

Question 250

An IS auditor evaluates this situation: A vendor's product demonstration uses sanitized sample data while the production workload needs complex legacy mappings. Which audit principle MOST directly applies to this situation?

  1. Post-implementation assurance should confirm transition controls and residual exposures are closed.
  2. Effective oversight requires consolidated delivery reporting and objective milestone evidence.
  3. Feasibility studies should test technical, operational and compliance constraints before selection.
  4. Feasibility conclusions require representative conditions and identified implementation constraints.

Explanation

Correct Answer

D:

Feasibility conclusions require representative conditions and identified implementation constraints. The corresponding audit procedure is: Compare actual legacy schema, data quality, integration needs and demonstration assumptions.

Incorrect Answers

A:

Post-implementation assurance should confirm transition controls and residual exposures are closed. This would be relevant to a different issue such as: After a new billing platform launches, unresolved temporary broad administrator permissions are treated as permanent. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.

B:

Effective oversight requires consolidated delivery reporting and objective milestone evidence. This would be relevant to a different issue such as: A program steering committee receives status reports from one vendor but has no visibility into independent testing delays. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.

C:

Feasibility studies should test technical, operational and compliance constraints before selection. This would be relevant to a different issue such as: A hospital chooses a cloud imaging service without confirming network reliability or clinical response needs. In the present case, the most directly relevant principle is: Feasibility conclusions require representative conditions and identified implementation constraints. The governing distinction is: Feasibility conclusions require representative conditions and identified implementation constraints.

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