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Exam Code ISO-IEC-42001-Lead-Auditor
Exam Name ISO/IEC 42001:2023 Artificial Intelligence Management System Lead Auditor
Vendor PECB
Total Questions 120
Last Updated 26-Oct, 2026
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Free ISO-IEC-42001-Lead-Auditor Practice Questions

Explore 10 free practice questions for the PECB ISO-IEC-42001-Lead-Auditor exam and review the answers and explanations to support your preparation.

  1. Question 1

    Single answer

    In the functional view of an AI system, what role does the processing component play?

    • Option A:

      It encompasses introducing new data into the model, enabling it to generate predictions, undertake actions, or offer recommendations

      Correct
    • Option B:

      It pertains to the model's training phase, where the system learns to recognize patterns and make decisions

      Correct
    • Option C:
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    The functional view of an AI system typically divides the system into:

    Input Component

    Processing Component

    Output Component

    The ''processing component'' is responsible for utilizing a trained model to process incoming data and generate outputs such as predictions, actions, or recommendations.

    Option B refers to the training phase, which occurs before the processing stage.

    Option C relates to governance or lifecycle management --- not the system's processing role.


    ISO/IEC 22989:2022, Clause 3.8 -- Functional architecture of AI systems

    ISO/IEC 42001:2023, Clause 6.1 -- AI lifecycle understanding, including data input, model use, and output generation

  2. Question 2

    Single answer

    During the annual ISO/IEC 42001 audit at a financial company, the auditor selected and analyzed a sample of 5 out of 25 follow-up nonconformity reports to assess whether the company adheres to its follow-up process. What type of evidence did the auditor gather?

    • Option A:

      Qualitative

      Correct
    • Option B:

      Semi-quantitative

      Correct
    • Option C:
      Correct
    • Option D:

      Observational

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

    Explanation

    The auditor gathered Quantitative evidence.

    Quantitative evidence is defined as evidence that is measurable and based on numbers or statistical sampling.

    ISO 19011:2018 Clause 6.5.5 states: ''Quantitative audit evidence is numerical or measurable and collected through sampling, measurements, or observations.''

    Sampling nonconformity reports to check process adherence clearly falls under quantitative evidence.


  3. Question 3

    Single answer

    What precautions must the certification body take when conducting short-notice audits?

    • Option A:

      Inform clients in advance about the conditions under which the audits will be conducted

      Correct
    • Option B:

      Obtain consent from clients for the selection of audit team members

      Correct
    • Option C:

      Prioritize audits based on the client's schedule

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    According to ISO/IEC 17021-1:2015 Clause 9.6.4, certification bodies must notify clients in advance of short-notice audits and define the conditions and procedures under which these audits are conducted. This ensures transparency, preparedness, and impartiality during the audit process.


    ISO/IEC 17021-1:2015 Clause 9.6.4 -- Short-notice audits

    ISO/IEC 42001:2023 Clause 9.2 -- Internal audit and external audit consistency

  4. Question 4

    Single answer

    According to the core element of 'Privacy and Security,' what is essential when developing AI systems?

    • Option A:

      Ensuring the protection of personal data and system security

      Correct
    • Option B:

      Increasing the efficiency of AI algorithms

      Correct
    • Option C:

      Enhancing the graphical user interface

      Correct
    • Option D:

      Reducing the development time

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    The Privacy and Security principle focuses on safeguarding personal data and ensuring the robustness of AI systems against security threats.

    As outlined in ISO/IEC 42001:2023 -- Clause 6.1.2 and 8.2.3, organizations must address data protection, cybersecurity, and access controls throughout the AI system lifecycle.

    This is particularly relevant in contexts where AI systems handle sensitive or identifiable data, such as health, finance, or biometrics.


    PECB Lead Auditor Guide -- Domain 1: ''Trustworthy AI -- Privacy and Security Requirements''

  5. Question 5

    Single answer

    What certification recommendation did the auditee receive?

    Scenario 8: VeridicAI. based in San Francisco. USA, specializes in market research using Al technologies to analyze customer behavior. Founded in 2023, the company

    employs natural language processing, machine learning, and predictive analytics to provide real time insights to a range of businesses. VeridicAI has implemented an

    artificial intelligence management system AIMS based on ISO/IEC 42001 to manage its Al technologies effectively. The AIMS scope includes select departments within

    the company, for which it has received a four-year certification against ISO/IEC 42001. Committed to transparency. VeridicAI publicly shares details of this certification.

    As the certification nears its end, VeridicAI is preparing for an audit to renew its certification.

    The audit process was led by Sharona, the audit team leader, who is a full-time employee of the certification body. Sharona and the audit team undertook all planned

    audit activities. Afterward, they organized the closing meeting with VeridicAl's management. During the meeting, Sharona and the team made a recap on audit

    objectives and scope, presented the audit findings and conclusions, presented identified nonconformities, and organized a session for questions and answers for the

    auditee.

    VeridicAI received a conditional recommendation for certification, underscoring its compliance with the industry's standards. Sharona confirmed that the company met

    the essential requirements but noted some identified minor nonconformities. In response, VeridicAI compiled and submitted a comprehensive action plan that

    addresses all identified nonconformities within a designated timeframe. Because of the comprehensive action plan, Sharona did not see the need for an additional on-

    site visit to verify the effectiveness of the action plan.

    Sharona played an integral role in the certification decision process. Her thorough understanding of VeridicAI's operations, gained from the audit, guided the

    certification body towards a well-informed certification decision.

    • Option A:

      Recommendation for certification conditional upon the filing of corrective action plans without a prior visit

      Correct
    • Option B:

      Recommendation for certification

      Correct
    • Option C:

      Recommendation for certification conditional upon the filing of corrective action plans with a prior visit

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    According to ISO/IEC 42001:2023 and auditing best practices as per ISO 19011:2018 guidelines, a conditional certification may be issued when an organization conforms to most of the requirements but has minor nonconformities that do not pose a major risk to the system's effectiveness. In this case, VeridicAI received a conditional recommendation based on minor nonconformities. They submitted a comprehensive action plan, and the audit leader decided no additional on-site visit was necessary.

    ISO/IEC 42001:2023 refers to such decisions under Clause 9.5 (Improvement), which supports corrective actions based on minor issues without necessarily requiring physical validation if the evidence submitted is sufficient.


    ISO/IEC 42001:2023 Clause 9.5 -- Nonconformity and Corrective Action

    ISO/IEC 17021-1:2015 -- Requirements for bodies providing audit and certification of management systems

    ISO 19011:2018 Clause 6.4.10 -- Audit Conclusion and Recommendation

  6. Question 6

    Single answer

    What type of audit evidence did Augustine gather when he collected management review records? Refer to scenario 3.

    Scenario 3: Heala specializes in developing Al-driven solutions for the healthcare sector. With a keen focus on leveraging Al to revolutionize patient care, diagnostics,

    and treatment planning, the company has implemented an artificial intelligence management system AIMS based on ISO/IEC 42001. After a year of having the AIMS in

    place, the company decided to apply for a certification audit.

    It contracted a local certification body, who established the audit team and assigned the audit team leader. Augustine, the designated audit team leader, has a wide

    range of skills relevant to various auditing domains. His proficiency encompasses audit principles, processes, and methods, as well as standards for management

    systems and additional references. Furthermore, he is knowledgeable about the Heala’s context and relevant statutory and regulatory requirements.

    Augustine first gathered management review records, interested party feedback logs, and revision histories for Heala ' s AIMS. This crucial step laid the groundwork for

    a deeper investigation, which included conducting comprehensive interviews with key personnel to understand how feedback from interested parties directly

    influenced updates to the AIMS and its strategic direction. Augustine ' s thorough evaluation process aimed to verify Heala ' s commitment to integrating the needs and

    expectations of interested parties, a critical requirement of ISO/IEC 42001.

    Augustine also integrated a sophisticated Al tool to analyze large datasets for patterns and anomalies, and thus have a more informed and data driven audit process.

    This Al solution, known for its ability to sift through vast amounts of data with unparalleled speed and accuracy, enabled Augustine to identify irregularities and trends

    that would have been nearly impossible to detect through manual methods. The tool was also helpful in preparing hypotheses based on data.

    During the audit. Augustine failed to fully consider Heala’s critical processes, expectations, the complexity of audit tasks, and necessary resources beforehand. This

    oversight compromised the audit integrity and reliability, reflecting a significant deviation from the diligence and informed judgment expected of auditors.

    • Option A:

      Confirmative


      Correct
    • Option B:

      Mathematical


      Correct
    • Option C:

      Documentary


      Correct
    • Option D:

      Observational

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

    Explanation

    Audit evidence can be classified into different types, including documentary, oral, observational, and physical. According to ISO 19011:2018 (Guidelines for Auditing Management Systems), which is referenced in ISO/IEC 42001:2023 for audit practice, “Documented information (such as policies, procedures, reports, records)” is considered documentary evidence.

    In the scenario, Augustine collected:

    Management review records

    Feedback logs

    Revision histories

    All of these are written or electronic records and fall under documentary evidence.

    [Reference:, ISO 19011:2018, Clause 3.8 — Audit Evidence, ISO/IEC 42001:2023, Clause 9.2 — Internal audit evidence requirements, PECB ISO/IEC 42001 Lead Auditor Study Guide, Chapter: Types of audit evidence, , ===========, ]
  7. Question 7

    Single answer

    Which of the following examples depicts frequent analysis?

    • Option A:

      The auditor selects a sample of employees to determine if they are aware of their roles and responsibilities relevant to AI

      Correct
    • Option B:

      The auditor conducts a yearly review of the company’s financial statements to assess long-term financial stability


      Correct
    • Option C:

      The auditor observes the AI system’s performance during its initial deployment to ensure it meets operational standards

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    Frequent analysis involves ongoing or regularly performed assessments, such as interviews with employees regarding their role awareness.

      ISO 19011:2018 Clause 6.5.5 discusses auditor sampling and analysis, and frequent analysis refers to repeated testing of a process over time.

      Periodic financial reviews (annual) or one-time deployment checks don’t qualify as frequent — but ongoing interviews and awareness checks do .

    [Reference: ISO 19011:2018 Clause 6.5.5; ISO/IEC 42001:2023 Clause 7.3 (Awareness)., ===========]
  8. Question 8

    Single answer

    Scenario 7:

    Scenario 7: ICure, headquartered in Bratislava, is a medical institution known for its use of the latest technologies in medical practices. It has introduced groundbreaking Al-driven diagnostics and treatment planning tools that have fundamentally transformed patient care.

    ICure has integrated a robust artificial intelligence management system AIMS to manage its Al systems effectively. This holistic management framework ensures that ICure ' s Al applications are not only developed but also deployed and maintained to adhere to the

    highest industry standards, thereby enhancing efficiency and reliability.

    ICure has initiated a comprehensive auditing process to validate its AIMS ' s effectiveness in alignment with ISO/IEC 42001. The stage 1 audit involved an on-site evaluation by the audit team. The team evaluated the site-specific conditions, interacted with ICure ' s personnel,

    observed the deployed technologies, and reviewed the operations that support the AIMS. Following these observations, the findings were documented and communicated to ICure. setting the stage for subsequent actions.

    Unforeseen delays and resource allocation issues introduced a significant gap between the completion of stage 1 and the onset of stage 2 audits. This interval, while unplanned, provided an opportunity for reflection and preparation for upcoming challenges.

    After four months, the audit team initiated the stage 2 audit. They evaluated AIMS ' s compliance with ISO/IEC 42001 requirements, paying special attention to the complexity of processes and their documentation. It was during this phase that a critical observation was made:

    ICure had not fully considered the complexity of its processes and their interactions when determining the extent of documented information. Essential processes related to Al model training, validation, and deployment were not documented accurately, hindering effective control and management of these critical activities. This issue was recorded as a minor nonconformity, signaling a need for enhanced control and management of these vital activities.

    Simultaneously, the auditor evaluated the appropriateness and effectiveness of the " AIMS Insight Strategy, " a procedure developed by

    ICure to determine the AIMS internal and external challenges. This examination identified specific areas for improvement, particularly in

    the way stakeholder input was integrated into the system. It highlighted how this could significantly enhance the contribution of relevant

    parties in strengthening the system ' s resilience and effectiveness.

    The audit team determined the audit findings by taking into consideration the requirements of ICure, the previous audit records and

    conclusions, the accuracy, sufficiency, and appropriateness of evidence, the extent to which planned audit activities are realized and

    planned results achieved, the sample size, and the categorization of the audit findings. The audit team decided to first record all the

    requirements met; then they proceeded to record the nonconformities.

    Based on the scenario above, answer the following question:

    Question:

    Which phase of the Stage 1 audit was NOT conducted by the audit team?

    • Option A:

      Prepare audit test plans


      Correct
    • Option B:

      Conduct on-site activities


      Correct
    • Option C:

      Prepare for on-site activities

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    The scenario mentions on-site evaluation and preparation but does not mention audit test plan preparation , which is a key part of audit planning .

      ISO/IEC 17021-1:2015 Clause 9.2.3.1 and ISO 19011:2018 Clause 6.4.3 both emphasize the importance of developing test/check plans based on audit criteria, risks, and scope prior to the audit.

      The ISO/IEC 42001 Lead Auditor Guide includes audit test plan preparation under pre-audit responsibilities, and omitting it is a planning deficiency.

    [Reference: ISO 19011:2018 Clause 6.4.3; ISO/IEC 17021-1:2015 Clause 9.2.3.1., ===========]
  9. Question 9

    Single answer

    In which step are the audit findings, including nonconformities, documented and reviewed?

    • Option A:

      Initiating the audit


      Correct
    • Option B:

      Conducting the audit


      Correct
    • Option C:

      Closing meeting


      Correct
    • Option D:

      Audit reporting

      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: D

    Explanation

    The Audit Reporting step involves the formal documentation of audit findings , including:

      Nonconformities

      Observations

      Opportunities for improvement

      Conformity conclusions

    According to ISO 19011:2018 – Clause 6.6.1 , and reflected in ISO/IEC 42001:2023 – Clause 9.2.2 , the audit report must be reviewed and finalized after the audit activities are complete and include verified evidence of all findings.

    The PECB Lead Auditor Guide – Domain 6 emphasizes that the audit report is the final output of the audit process and includes all findings that were identified and reviewed during the audit lifecycle.

      [Reference: ISO 19011:2018 – Clause 6.6.1 (Preparing and distributing the audit report), ISO/IEC 42001:2023 – Clause 9.2.2 (Internal audit), PECB Lead Auditor Guide – Domain 6: "Audit Reporting and Closing Activities", ===========]
    • Question 10

      Single answer

      Which core element of AIMS is defined as: “Organizations are responsible for the development, deployment, and use of AI systems, and their potential impacts”?

      • Option A:

        Accountability


        Correct
      • Option B:

        Responsibility


        Correct
      • Option C:

        Commitment


        Correct
      • Option D:

        None of the above

        Correct
      Show Answer & Explanation Hide Answer & Explanation

      Correct Answer: A

      Explanation

      The correct core element is Accountability .

      According to ISO/IEC 42001:2023 – Clause 5.3 , and PECB Lead Auditor Guide – Domain 1 , accountability is defined as the obligation of organizations to take responsibility for the outcomes and impacts of AI systems across the lifecycle — including design, development, deployment, and operation.

      This includes establishing:

        Clear roles and responsibilities

        Oversight mechanisms

        Escalation procedures for unintended consequences

      It directly addresses the ethical and governance need to ensure AI systems are not used irresponsibly or without clear attribution.

        [Reference: ISO/IEC 42001:2023 – Clause 5.3 (Organizational roles, responsibilities and authorities), PECB Lead Auditor Guide – Domain 1: “Accountability in AI Governance”, ===========]