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PECB ISO/IEC 27001 Lead Implementer (27001 LI) practice exam and questions

Practice for the ISO 27001 Lead Implementer (27001 LI) exam with 268 exam-style questions across all seven domains, every answer explained.

268 questionsUpdated October 2026Web, iOS & Android

What you get

Don’t pass? Full refund.

Work through half the set, sit the exam, and send us your score report.

268 exam-style questions.

Each one with an explanation that walks through the reasoning.

A free AI assistant.

Built in, on every question, including your 30 free ones.

Timed mock exams.

Just like the real thing: 80 questions in 180 minutes.

$32 once.

Web, iOS and Android. Lifetime access, no subscription.

Why choose us

Clear explanations.

Every question comes with an explanation that walks through the reasoning.Still unsure? Ask the built-in AI assistant. It’s free.

What’s on the exam

PECB splits ISO 27001 LI into seven topics, weighted like this. The set covers them all.

Fundamental principles and concepts of an information security management system15 questions
Information security management system requirements12 questions
Planning of an ISMS implementation based on ISO/IEC 2700118 questions
Implementation of an ISMS based on ISO/IEC 2700114 questions
Monitoring and measurement of an ISMS based on ISO/IEC 2700110 questions
Continual improvement of an ISMS based on ISO/IEC 270016 questions
Preparing for an ISMS certification audit5 questions

What certification really costs

  • Exam only
    $1,500

    $1,000 exam and $500 certification fee. One attempt, no course.

  • Self-study course
    $589 to $1,575

    Exam, one free retake and certification fee included.

  • Instructor-led course
    $1,520 to $2,895

    4 to 5 days live. Exam, one free retake and certification fee included. UK courses run £1,135 + VAT to £3,330.

Fail on the exam-only route and you pay again to resit. PECB’s standalone exam is $1,000.

Keeping it costs $390 every 3 years.

Being ready

About 2% of what PECB certification can cost.

$32

Prices published by PECB and its training partners, checked October 2026. Partner prices vary by country.

The offer

PECB exam$1,000
Instructor-led course$1,520 to $2,895
This set, all 268$32

Practised and still failed? Full refund. Work through half the set, sit the exam, and send us your score report within 60 days. Terms.

Start with 30 free questions

No sign up required.

Who this is for

You’re sitting the ISO 27001 LI.
You don’t want to sit it twice.

Common questions about the ISO 27001 LI exam

How many questions are on the ISO/IEC 27001 Lead Implementer exam, and how long is it?

80 single-answer multiple-choice questions with 3 options each, in 3 hours. Questions are stand-alone or scenario-based, where a scenario is followed by 5 questions, and the exam is open book. Candidates sitting in a language that is not their own can ask for 30 extra minutes on exam day.

What is the passing score for the PECB ISO/IEC 27001 Lead Implementer exam?

70%.

How much does the PECB ISO/IEC 27001 Lead Implementer exam cost?

The standalone Lead exam costs $1,000. Exam and certification fees are included when you take the exam with PECB training, and candidates who took the training get 1 free retake.

Do I need experience to become a PECB ISO/IEC 27001 Lead Implementer?

Not to sit the exam: PECB states candidates may take it without attending the training course. The grade awarded depends on experience: Provisional Implementer needs none, while Lead Implementer needs 5 years of professional experience (2 in information security management) and 300 hours of project experience.

What domains does the ISO/IEC 27001 Lead Implementer exam cover?

Seven domains, with PECB question counts out of 80: Fundamental principles and concepts of an information security management system (15); Information security management system requirements (12); Planning of an ISMS implementation based on ISO/IEC 27001 (18); Implementation of an ISMS based on ISO/IEC 27001 (14); Monitoring and measurement of an ISMS based on ISO/IEC 27001 (10); Continual improvement of an ISMS based on ISO/IEC 27001 (6); Preparing for an ISMS certification audit (5).

How is the PECB ISO/IEC 27001 Lead Implementer exam delivered?

Online through the PECB Exams app with a remote invigilator, or on paper through the training partner. It is offered in English, French, Spanish, German, Italian, Japanese and several other languages.

How long is the PECB ISO/IEC 27001 Lead Implementer certification valid?

3 years. It is maintained with CPD hours and an annual maintenance fee.

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