1    Walking on Wires: Fixing Physical Networks - 1
2    Networking in the Dark: Planning Network Layouts - 51
3    Into the Wire: Tools and Troubleshooting - 85
4    You’ve Been Framed: Packet Analysis - 125
5    How Smart is Your Network?: Network Devices and Traffic - 175
6    Bringing Things Together: Connecting Networks with Routers - 205
7    It’s a Matter of Protocol: Routing Protocols - 243
8    Names to Numbers: The Domain Name System - 291
9    Listen to Your Network’s Troubles: Monitoring and Troubleshooting - 329
10    Working Without Wires: Wireless Networking - 363
11    Get Defensive: Network Security - 399
12    You Gotta Have a Plan!: Designing Networks - 437
i    Leftovers: The Top Ten Things (We Didn’t Cover) - 469
ii    Looking Things Up: ASCII Tables - 479
iii    Getting a Server to talk DNS: Installing BIND - 485

 Frustrated with networking books so chock-full of acronyms that your brain goes into sleep mode? Head First Networking's unique, visually rich format provides a task-based approach to computer networking that makes it easy to get your brain engaged. You'll learn the concepts by tying them to on-the-job tasks, blending practice and theory in a way that only Head First can.

 With this book, you'll learn skills through a variety of genuine scenarios, from fixing a malfunctioning office network to planning a network for a high-technology haunted house. You'll learn exactly what you need to know, rather than a laundry list of acronyms and diagrams. 

This book will help you:

• Master the functionality, protocols, and packets that make up real-world networking

• Learn networking concepts through examples in the field

• Tackle tasks such as planning and diagramming networks, running cables, and configuring network devices such as routers and switches

• Monitor networks for performance and problems, and learn troubleshooting techniques

• Practice what you've learned with nearly one hundred exercises, questions, sample problems, and projects

 Head First's popular format is proven to stimulate learning and retention by engaging you with images, puzzles, stories, and more. Whether you're a network professional with a CCNA/CCNP or a student taking your first college networking course, Head First Networking will help you become a network guru.