Accessing the WAN: CCNA Exploration Companion Guide
1. CCNA ICND2 640-822 Official Cert Guide, Premium Edition eBook and Practice Test (www.ciscopress.com/title/0132903806) 2. Accessing the WAN Companion Guide eBook (www.ciscopress.com/title/0132877589) Accessing the WAN, CCNA Exploration Companion Guide is the official supplemental textbook for the Accessing the WAN course in the Cisco Networking Academy CCNA Exploration curriculum version 4. This course discusses the WAN technologies and network services required by converged applications in enterprise networks. The Companion Guide, written and edited by Networking Academy instructors, is designed as a portable desk reference to use anytime, anywhere.