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PECB ISO/IEC 27001 Lead Auditor (27001 LA) practice exam and questions

Practice for the ISO 27001 Lead Auditor (27001 LA) exam with 241 exam-style questions across all seven domains, every answer explained.

241 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.

241 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 LA into seven topics, weighted like this. The set covers them all.

Fundamental principles and concepts of an information security management system (ISMS)13 questions
Information security management system (ISMS) and ISO/IEC 27001 requirements8 questions
Fundamental audit concepts and principles14 questions
Preparing an ISO/IEC 27001 audit12 questions
Conducting an ISO/IEC 27001 audit18 questions
Closing an ISO/IEC 27001 audit7 questions
Managing an ISO/IEC 27001 audit program8 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
    $2,895

    4 to 5 days live. Exam, one free retake and certification fee included. UK courses run £1,750 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 1% 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$2,895
This set, all 241$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 LA.
You don’t want to sit it twice.

Common questions about the ISO 27001 LA exam

How many questions are on the ISO/IEC 27001 Lead Auditor 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.

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

70%.

How much does the PECB ISO/IEC 27001 Lead Auditor 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 Auditor?

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

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

Seven domains, with PECB question counts out of 80: Fundamental principles and concepts of an information security management system (ISMS) (13); Information security management system (ISMS) and ISO/IEC 27001 requirements (8); Fundamental audit concepts and principles (14); Preparing an ISO/IEC 27001 audit (12); Conducting an ISO/IEC 27001 audit (18); Closing an ISO/IEC 27001 audit (7); Managing an ISO/IEC 27001 audit program (8).

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

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

Related practice exams

PECBISO 27001 LIPECB Certified ISO/IEC 27001 Lead ImplementerPECBISO 27005 RMPECB Certified ISO/IEC 27005 Risk ManagerPECBISO 27035 LIMPECB Certified ISO/IEC 27035 Lead Incident ManagerPECBISO 42001 LAPECB Certified ISO/IEC 42001 Lead Auditor

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