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Anotace knihy

Every packet that has ever crossed a network began and ended its life as a physical signal - a voltage on copper, a pulse of light in glass, a modulated wave in the air. Yet the physical layer is the one most of us understand least, and the one an attacker can reach out and touch.

The Physical Layer gives Layer 1 of the OSI model the attention it deserves. Written in clear, practical language for IT professionals and students, it explains how the physical layer actually works - signals, encoding and modulation, synchronization, topologies, transmission media, and devices - and then turns to the subject most books ignore: its security.

You will learn how data is tapped, intercepted, jammed, and tampered with beneath the software stack, why fiber is harder to attack than copper, what TEMPEST emanations reveal, and the layered defenses that stop these threats. Closing chapters cover installation and testing best practices, the standards that govern Layer 1, the ethics and law of physical-layer work, and where the technology is heading.

Part reference, part field guide, and fully illustrated with a clean, modern diagram set, this is a complete, self-contained treatment of the layer everything else depends on.

This book is intended for educational purposes only.

Parametry knihy

• Plný název: The Physical Layer
• Podnázev: Layer 1 of the OSI Model. Architecture, Security, and Practice
• Autor: Sebastiano S.
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 78
• EAN: 9798199310727
• ID: 52750008
• Nakladatelství: Independently published
• Hmotnost: 118 g
• Rozměry: 229 × 152 × 4 mm
• Datum vydání: 30. May 2026

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