ISO/IEC 27001 Lead Auditor
Can you pass this 10-question ISO/IEC 27001 Lead Auditor quiz?
Ten multiple-choice questions: six on how the exam works and four on which domain covers what. Tap an answer to see why, with the source. Takes about five minutes.
Can you get 10 out of 10?
1 of 10How many questions are on PECB's English-language exam?
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Answer: B. 80 multiple-choice questions. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
2 of 10How many correct answers do you need to pass?
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Answer: B. The pass mark is 70%, and 70% of 80 is 56. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
3 of 10How many options does each question have?
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Answer: B. Three: one correct option and two distractors. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
4 of 10How long is the English-language exam?
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Answer: C. Three hours, according to PECB's list of exams. Source: PECB, List of PECB exams (English exams: multiple choice, 3 hours)
5 of 10What may you take into the exam?
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Answer: B. It is an open-book exam: a hard copy of the standard, the training course materials and personal notes taken during the course. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
6 of 10A scenario-based question set has how many questions per scenario?
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Answer: C. You read one scenario and answer five questions about it. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
7 of 10Which domain carries the most questions?
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Answer: C. Domain 5, conducting an audit, carries 18 of the 80 questions. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
8 of 10Which domain carries the fewest questions?
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Answer: A. Domain 6, closing an audit, carries 7; requirements and the audit program carry 8 each. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
9 of 10Organizing and conducting the opening meeting sits in which domain?
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Answer: B. It is a Domain 5 competency, with the stage 1 and stage 2 audits. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
10 of 10Telling first-, second- and third-party audits apart sits in which domain?
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Answer: A. It is a Domain 3 competency, with audit principles and auditor ethics. Source: PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5
ISO/IEC 27001 Lead Auditor flashcards for Anki
front,back How many questions are on PECB's English-language exam? | A) 60 / B) 80 / C) 100 / D) 125,B) 80. 80 multiple-choice questions. How many correct answers do you need to pass? | A) 48 / B) 56 / C) 60 / D) 64,"B) 56. The pass mark is 70%, and 70% of 80 is 56." How many options does each question have? | A) 2 / B) 3 / C) 4 / D) 5,B) 3. Three: one correct option and two distractors. How long is the English-language exam? | A) 2 hours / B) 2.5 hours / C) 3 hours / D) 4 hours,"C) 3 hours. Three hours, according to PECB's list of exams." "What may you take into the exam? | A) Nothing at all / B) A hard copy of ISO/IEC 27001, your course materials and your course notes / C) Any website / D) A calculator only","B) A hard copy of ISO/IEC 27001, your course materials and your course notes. It is an open-book exam: a hard copy of the standard, the training course materials and personal notes taken during the course." A scenario-based question set has how many questions per scenario? | A) 3 / B) 4 / C) 5 / D) 10,C) 5. You read one scenario and answer five questions about it. Which domain carries the most questions? | A) Fundamental audit concepts / B) Preparing an audit / C) Conducting an audit / D) Managing an audit program,"C) Conducting an audit. Domain 5, conducting an audit, carries 18 of the 80 questions." Which domain carries the fewest questions? | A) Closing an audit / B) ISMS requirements / C) Managing an audit program / D) Preparing an audit,"A) Closing an audit. Domain 6, closing an audit, carries 7; requirements and the audit program carry 8 each." Organizing and conducting the opening meeting sits in which domain? | A) Preparing an audit / B) Conducting an audit / C) Closing an audit / D) Managing an audit program,"B) Conducting an audit. It is a Domain 5 competency, with the stage 1 and stage 2 audits." "Telling first-, second- and third-party audits apart sits in which domain? | A) Fundamental audit concepts and principles / B) Preparing an audit / C) Closing an audit / D) Managing an audit program","A) Fundamental audit concepts and principles. It is a Domain 3 competency, with audit principles and auditor ethics."
Where next?
Also free: the ISO/IEC 27001 Lead Auditor interview questions and the ISO/IEC 27001 Lead Auditor mind map, plus every other credential on our study tools page. For the full syllabus, the ISO 27001 Lead Auditor Exam Guide and the ISO 27001 Lead Auditor Practice Exams go domain by domain.
Frequently asked questions
Is this ISO/IEC 27001 Lead Auditor quiz like the real exam?
No. It is a 10-question recall check written by Credential Press, not exam questions. Each answer cites its source.
Can I study the ISO/IEC 27001 Lead Auditor quiz offline?
Yes. Download the free flashcard CSV and import it into Anki or any flashcard app that reads CSV.
How many questions are on PECB's English-language exam?
80. 80 multiple-choice questions.
Which books go deeper on ISO/IEC 27001 Lead Auditor?

ISO 27001 Lead Auditor Exam Guide
PECB Certified ISO/IEC 27001 Lead Auditor. 14 chapters, 398 pages.

ISO 27001 Lead Auditor Practice Exams
Three complete practice papers with model answers and marking schemes. 92 pages.
Sources
- PECB, ISO/IEC 27001 Lead Auditor Candidate Handbook, version 1.5, read 5 October 2026
- PECB, List of PECB exams, read 5 October 2026
- PECB, ISO/IEC 27001 Lead Auditor course page
- ISO, ISO 19011:2018 Guidelines for auditing management systems
Credential Press is independent of PECB, ISO and IEC.