As a final exam preparation tool, the CCENT Quick Reference Sheets provide a concise review of all objectives on the new CCENT ICND1 exam (640-822). This digital Short Cut provides you with detailed, graphic-based information, highlighting only the key topics in cram-style format. With this document as your guide, you will review topics on router and switch configuration and troubleshooting, wireless LAN (WLAN), security, Routing Information Protocol (RIP) configuration and troubleshooting, and WANs. These fact-filled Quick Reference Sheets allow you to get important information at a glance, helping you to focus your study on areas of weakness and to enhance memory retention of essential exam concepts.