A compact introductory guide to computer networking, this title is aimed at readers who want practical explanations without assuming specialist knowledge. It covers the basic concepts needed to understand how networks connect computers, share resources, and support everyday digital communication. The pocket-format presentation suggests a concise, task-oriented approach, making it suitable for beginners, students, or office users who need a quick reference for common networking terms, setup issues, and troubleshooting steps. As part of the *Pour les nuls* series, the book uses accessible language to demystify technical vocabulary and explain network fundamentals in manageable sections. It is best understood as a practical nonfiction guide rather than a theoretical textbook, focusing on usable knowledge for readers who need to navigate home, small-office, or workplace networking environments.

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