* TCP/IP and OSI networking models
* Operating Cisco routers and LAN switches
* LAN switching basics, VLANs, and Trunking
* IP adrressing and subnetting
* Basic router configuration and operation
* Discovering information about an IP network
* Dynamic routing protocols
* Analog modems, PAP/CHAP, DSL and Cable

CCNA INTRO Exam Certification Guide is a best-of-breed Cisco® exam study guide that has been completely updated to focus specifically on the objectives for the CCNA INTRO exam. Senior instructor and best-selling author Wendell Odom shares preparation hints and test-taking tips to help you identify areas of weakness and improve both your conceptual and hands-on knowledge. This new edition is organized in a modular fashion, segmenting larger chapters into smaller, more easily digestible components. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

http://rapidshare.de/files/3966591/Cisco_Press_CCNA_INTRO_Exam_640-821.pdf.html