The CCNA Routing and Switching composite exam (exam 200-125) is a MC based exam associated with the CCNA Routing and Switching certification. The major areas of knowledge covered 1.0 Network Fundamentals 2.0 LAN Switching Technologies 3.0 Routing Technologies 4.0 WAN Technologies 5.0 Infrastructure Services To succeed in this CCNA exam, you need to read as many reference books as possible. There is no single book that can cover everything! The book is NOT intended to guide you through every single official topic. You should therefore use this book together with other reference books for the best possible preparation outcome.