Ccna Portable Command Guide

Helps you memorize commands and concepts as you work to pass the CCNA exam (INTRO 640-821, ICND 640-811, or CCNA 640-801). This work covers CCNA topic areas such as TCP/IP; an Introduction to Cisco Devices; configuring a Router; Routing; Switches; Network Administration and Troubleshooting; Managing IP Services; WANs; and, Network Security.