Learn how to be a networking superhero and study for the Cisco Certified Network Associate (CCNA) exam by building a network from the ground-up. In this book you will create a fully working network, using UNetLab, learning not just the CCNA topics, but also real-world networking skills. You will implement a Local Area Network (LAN) and a Wide Area Network (WAN), using switching and routing technologies, fully securing it along the way. The troubleshooting section offers a full-scale lab for you to diagnose and fix.