G-Kentei

G-Kentei Test Preparation｜Free Mock Questions1,450 questions

This is an exam that checks your knowledge of AI, machine learning, and deep learning, as well as laws and ethics. First, you can check your current location with random questions, and then return to the field-specific exercises for fields with a low correct answer rate.

Start studying

These are not reprints of official past questions, but are study questions that I created using the public syllabus as a reference.

Choose learning mode

Random questions

Select 5 to all questions from all 1,450 questions and practice.

Field-specific learning

Narrow down weaknesses using 10 areas and difficulty levels from ★1 to ★3.

mock exam

145 questions/100 minutes. I will hide the correct and incorrect answers until the grading.
Questions included 1,450 questions
Last updated September 28, 2026
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Features of this G-Kentei question collection

Detailed explanations for all questions

You can see not only why the answer is correct, but also why the other choices are incorrect.

Learning by purpose

You can choose the problem that suits your purpose from regular study, today's review, overcoming weaknesses, and favorites.

Exam-style mock test

Supports 145 questions/100 minute timer, unanswered list, review flag, and automatic grading.

Learning data storage and cloud sync

Correct answer rate, review schedule, etc. are saved in LocalStorage, and question answer data is not sent to the server.

Available study modes

  1. normal learning: Practice by specifying the set, category, difficulty level, and number of questions.
  2. Today's review: Questions that have a scheduled review date will be asked from your answer history.
  3. Overcoming weaknesses: Repeat and study only the questions you got wrong in the past.
  4. mock exam: The correct and incorrect answers will not be displayed until the end of the test, and you will try the test in a manner similar to the actual test.

How to use

  1. 1
    Choose learning mode

    Choose from regular study, review, overcoming weaknesses, and mock exams.

  2. 2
    Set scope and number of questions

    Specify the set, category, difficulty level, and number of questions from 5 to all.

  3. 3
    Check the explanation and review

    Save the results in your learning history and review the questions you got wrong.

G-Kentei test summary (content included on this site)

Number of questions included 1,450 questions (free, no registration required)
mock exam 145 questions/100 minutes (assuming online exam)
Question format 4 multiple choice questions with explanations and reasons for incorrect answers
Recording field 10 field (Overview of Machine Learning, Applications of Deep Learning, Core Technologies of Deep Learning, Overview of Deep Learning, AI Ethics and Governance, Mathematics and Statistics for AI, AI-Related Laws and Contracts, Deploying AI in Society)
Learning history Signed out or sync OFF: stored on device / sync ON: cloud sync
problem set 1 sets
Official website Check the latest exam outline and syllabus on JDLA “What is the G-Kentei?”

According to the JDLA official guide, the G-Kentei is a multiple-choice knowledge test, and the online test is 100 minutes long with 145 questions, while the on-site test is 120 minutes long with 145 questions. Please check the official website for the latest information on exam dates, exam fees, etc.

Question policy and updates

  • We created our own version for learning purposes based on the G-Kentei syllabus published by JDLA.
  • This is not a question collection that is a reprint of official past questions or official example questions.
  • We are posting the correct answers, explanations, reasons for incorrect answers, and related terms while checking them.
  • Fields that are subject to change, such as laws, generative AI, and international regulations, will be reviewed from time to time in response to problem reports.

Questions included: 1,450 questions · Last question update: September 28, 2026

Frequently asked questions

How many G-Kentei questions can I solve for free?

1,450 questionsYou can practice all of them for free. There is no need to register as a member, and it supports regular study by specifying the set, category, difficulty level, and number of questions, today's review, overcoming weaknesses, and mock exams.

What is the format of the mock exam?

The format is 145 questions and 100 minutes, assuming a real performance. During the exam, correct or incorrect answers are not displayed, and you can manage the order of answers using the unanswered list and review flag. Automatic scoring and field-specific reviews will be displayed after submission.

Which field should I study?

We recommend that you first check your current location with random questions, then review the areas with a low correct answer rate by specifying categories. It is easy to see differences not only in machine learning methods, but also in the fields of law, ethics, and generative AI.

Is it an official past question?

No. These are original mock questions created for learning purposes based on the G-Kentei syllabus released by JDLA. This is not a reprint of official past questions or official example questions.

Where is my learning history saved?

It will be saved in the browser you are using (LocalStorage). There is no automatic synchronization to another device, and if you delete your browser data, your history will also be deleted.

Disclaimer

This tool is not affiliated with the Japan Deep Learning Association (JDLA) or the G-certification testing organization. We do not guarantee the accuracy or comprehensiveness of questions, options, and explanations, nor do we guarantee that you will pass the actual exam. Please be sure to check the official website for the latest information.

This site is an unofficial collection of exam preparation questions. "G-Kentei" is a registered trademark of the Japan Deep Learning Association (JDLA).