Cisco CCNA Routing and Switching is a comprehensive package for the latest CCNA exams.includes all essential topics for ICND1 100 - 105 , ICND2 200 - 105 and CCNA 200 - 125 exams.This reference guide will help you master the concepts and techniques that will enhance the possibilities of clearing the CCNA Routing and Switching certification exam. Points Covered in this book were EXPLAIN TCP/IP LAYERS and PROTOCOLS , Manage a Router using Cisco IOS , Configure VLANs , Configure different routing protocol on a Router , Create WANs and Configure WAN Protocols.