This book was written for the needs of the nationwide exam subject "Computer Networks" taught in the Informatics sector and the Electrical, Electronics, and Automation sector of the 3rd grade of day vocational high schools (EPAL) as well as the 4th grade of evening vocational high schools (EPAL).
It consists of 6 chapters corresponding to the school textbook, in which theory is initially presented, followed by useful methodologies, examples, solved exercises, questions and exercises for solving, evaluation criteria, school textbook exercises, and student notebook exercises.

Teachers appreciate the accurate coverage of the material and the practical organization of the content. Students emphasize that the guide helps them easily understand concepts that were difficult for them at school, while parents mention that it is a reliable support tool for studying at home and improving performance in final exams.