This is an original practice problem set that completely covers a wide range of exam topics, from the Civil Code and Real Estate Registration Act to the Constitution and Criminal Code, with a total of 485 questions divided into 6 parts. This material complies with the latest laws and regulations effective April 1, 2025, allowing you to focus on your studies without worrying about legal amendments. ■ Content Structure of this Book The important subjects of the exam are systematically organized to progressively build your skills from basic to advanced levels. • Part 1: Civil Code (160 questions) • Thoroughly covers important points that are scoring areas in the Land and House Investigator exam, such as the concepts of changes in property rights, possession, and ownership, which are prerequisites for real estate registration. • Part 2: Real Estate Registration Act (220 questions) • Practice with an overwhelming volume of questions, focusing on the registration of descriptions, which is the core of the main exam, as well as application procedures, attached information, and specific cases. • Land and House Investigator Act: Important items that should be scored reliably, such as professional ethics and disciplinary regulations. • Boundary Determination System: Essential system mechanisms and practical knowledge for professionals who resolve boundary disputes. • Based on recent exam trends, it is structured to efficiently master essential basic knowledge in a short period. ■ Features and Key Points of this Book • Three-level difficulty indication and five-choice multiple-choice format Each question is labeled "Basic," "Standard," or "Advanced." The format is the same five-choice multiple-choice as the main exam, and the answer distribution is adjusted, allowing for a realistic simulation of the actual exam.