Solve 480 past exam questions from 2015–2026 for the two major subjects of the national 9th-grade computer administration exam (General Computer Science and Information Security) through 20-minute CBTs for each subject. The questions and final answers are exactly as released by the Ministry of Personnel Management. Upon submission, your score and whether you failed a subject immediately appear, and every question includes an explanation.

The real challenge of the Computer Skills Level 2 written exam is seeing the test format for the first time at the actual test center, since past questions are not publicly available. Solve five 40-question, 40-minute CBT mock exams (200 questions total) newly created to match the current 2024–2026 testing standards, just like the real exam. Use the automatic scoring and accuracy rates by section to identify weak areas, then improve them with explanations for each question. This is a mock-exam practice workbook, not a video lecture course.

Learn the fundamentals of Onshape and learn the basics of 3D modeling and CAD.

This is an assembler course provided by Smoothie TV.

This is a basic machine learning course that briefly covers the basic machine learning theory for those who are new to machine learning.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

I help ordinary people who know nothing to create a homepage by just following my instructions!

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

Through this course, you can study short answer and descriptive questions from past practical exams for the Information Security Engineer.

We're starting a series of tutorials for Photoshop image correction and editing, from basics to advanced editing.

You can effectively study the contents of the Information Security Engineer practical exam questions and obtain the Information Security Engineer practical qualification.

This is a series of video lectures for AWS beginners and college students enrolled in AWS Educate. We will briefly introduce the AWS registration process and free tier services.

This is a free Unity basics course by Unity Hub root owner Dong-geun Joo.

This is an Arduino lecture by Park Sung-jun on YouTube.

We introduce good lectures based on the motto of TED(http://ted.com) ‘Ideas worth telling’.

You can start creating games without difficult programming with Unreal Engine 4's Blueprint.

I would like to introduce you to the Premier course by Nori Island on YouTube.

This is a course where you can study data structures and algorithms along with the object-oriented language C++.

A CBT that lets you solve 2,220 past questions from the 23rd (2014) through the 35th (2026) Certified Labor Attorney First Exams under the actual test-time conditions. Includes subject-by-subject pass/fail and average-score assessments, explanations with statutory and case-law grounds, and highlights of legislative amendments made after each exam.