In order to get an overview of civil service exams (including exam types etc.), first check the information magazines for civil service exams and the websites of ministries/municipalities you are interested in. The application guidelines for the next year can be a reference for understanding exam outlines. (*Please be sure to check the latest information as the test form and contents may change depending on the examination year.) For information about national public officer, please also refer to the National Personnel Authority website.
In addition, there are examination reports (job hunting records) left by graduates. You will find out their advice on written exam preparation, interviews.