ISO/IEC 27001 Lead Implementer
Can you pass this 10-question ISO/IEC 27001 Lead Implementer 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 Implementer 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 Implementer 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 Implementer 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 Implementer 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 Implementer Candidate Handbook, version 1.5
7 of 10Which domain carries the most questions?
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Answer: B. Domain 3, planning, carries 18 of the 80 questions. Source: PECB, ISO/IEC 27001 Lead Implementer Candidate Handbook, version 1.5
8 of 10Which domain carries the fewest questions?
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Answer: A. Domain 7 carries 5 questions; continual improvement carries 6. Source: PECB, ISO/IEC 27001 Lead Implementer Candidate Handbook, version 1.5
9 of 10Defining and implementing an ISMS internal audit program sits in which domain?
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Answer: B. It is a Domain 5 competency, alongside checking whether ISMS objectives have been met. Source: PECB, ISO/IEC 27001 Lead Implementer Candidate Handbook, version 1.5
10 of 10Analysing the root causes of nonconformities sits in which domain?
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Answer: C. It is a Domain 6 competency, with tracking and acting on nonconformities. Source: PECB, ISO/IEC 27001 Lead Implementer Candidate Handbook, version 1.5
ISO/IEC 27001 Lead Implementer 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) Principles and concepts / B) Planning an ISMS implementation / C) Implementing an ISMS / D) Monitoring and measurement,"B) Planning an ISMS implementation. Domain 3, planning, carries 18 of the 80 questions." Which domain carries the fewest questions? | A) Preparing for the certification audit / B) Continual improvement / C) ISMS requirements / D) Monitoring and measurement,A) Preparing for the certification audit. Domain 7 carries 5 questions; continual improvement carries 6. Defining and implementing an ISMS internal audit program sits in which domain? | A) Implementation / B) Monitoring and measurement / C) Continual improvement / D) Preparing for the certification audit,"B) Monitoring and measurement. It is a Domain 5 competency, alongside checking whether ISMS objectives have been met." Analysing the root causes of nonconformities sits in which domain? | A) Implementation / B) ISMS requirements / C) Continual improvement / D) Preparing for the certification audit,"C) Continual improvement. It is a Domain 6 competency, with tracking and acting on nonconformities."
Where next?
Also free: the ISO/IEC 27001 Lead Implementer interview questions and the ISO/IEC 27001 Lead Implementer mind map, plus every other credential on our study tools page. For the full syllabus, the ISO 27001 Lead Implementer Exam Guide and the ISO 27001 Lead Implementer Practice Exams go domain by domain.
Frequently asked questions
Is this ISO/IEC 27001 Lead Implementer 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 Implementer 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 Implementer?

ISO 27001 Lead Implementer Exam Guide
PECB Certified ISO/IEC 27001 Lead Implementer. 14 chapters, 392 pages.

ISO 27001 Lead Implementer Practice Exams
Three complete practice papers with model answers and marking schemes. 317 pages.
Sources
- PECB, ISO/IEC 27001 Lead Implementer Candidate Handbook, version 1.5, read 5 October 2026
- PECB, List of PECB exams, read 5 October 2026
- PECB, ISO/IEC 27001 Lead Implementer course page
- ISO, ISO/IEC 27001 Information security management systems
Credential Press is independent of PECB, ISO and IEC.