CCNA Routing and Switching 200-125 Official Cert Guide Library, Academic Edition is a comprehensive textbook and study package that provides you with an introduction to foundational networking concepts and hands-on application. The two books contained in this package, CCENT/CCNA ICND1 100-105 Official Cert Guide, Academic Edition and CCNA Routing and Switching ICND2 200-105 Official Cert Guide, Academic Edition, present you with a detailed overview of network configuration and troubleshooting. Best-selling author and expert instructor Wendell Odom shares study hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.