Introducing Routing and Switching in the Enterprise‎,‎ CCNA Discovery Learning Guide is the official supplemental textbook for the Introducing Routing and Switching in the Enterprise course in the Cisco‎(‎R‎)‎ Networking Academy‎(‎R‎)‎ CCNA‎(‎R‎)‎ Discovery curriculum version 4‎.‎ The course‎,‎ the third of four in the new curriculum‎,‎ familiarizes you with the equipment applications and protocols installed in enterprise networks‎,‎ with a focus on switched networks‎,‎ IP Telephony requirements‎,‎ and security‎.‎It also introduces advanced routing protocols such as Enhanced Interior Gateway Routing Protocol ‎(‎EIGRP‎)‎ and Open Shortest Path First ‎(‎OSPF‎)‎ Protocol‎.‎ Hands‎-on exercises include configuration‎,‎ installation‎,‎ and troubleshooting‎.‎ The Learning Guide‎,‎ written and edited by instructors‎,‎ is designed as a portable desk reference to use anytime‎,‎ anywhere to reinforce the material from the course and organize your time‎.‎