The CCNA ICND2 Study Guide, 3rd Edition covers 100 percent of all exam 200-105 objectives. Leading networking authority Todd Lammle provides detailed explanations and clear instruction on IP data networks, switching and routing technologies, IPv4 and IPV6 addressing, troubleshooting, security, and more. Dozens of hands-on labs help you gain experience with important tasks, and expert examples and insights drawn from thirty years of networking bring real-world perspective to essential CCNA...